Jeep UNIVERSAL CJ-5 Owner's manual

Jeen

U N IVE RSAL

Ourt

,o/..lmnxrrta/."

MODEL CJ.5

MODEL

CJ.6

Y-

Jeep.

UNIVERSAL

4.WHEEI DRIVE

Model CJ-5

Model

CJ-6

Owner's

Mqnusl

Willys Mofors,

Inc.

lotEDo l, oHto, u.5. A,

Fom OM-1002-R3

Copyrighr

1960

Pdnr.d in u. s. a.

\-

.JEEP'

UNIVERSAL

MODEL CJ.5

Dear Owner

I

Welcome to the

family oI

satisfied

'Jeep'

vehicle

owners. We

pl€dge

ours€lwes to serve

you

with satisfaction as we

have the

many thousands

of other

Willys

owners throughout our fifty-

Your

'Jeep'

vehicle

has been thorcughly tested

and

inspected

to ensure that

p.operly

maintained it

will

give you

many miles

of

satisfactory service.

Your Willys

'Jeep' dealei

is

interested

in

you.

continued satisfaction and will be

glad

to cooperate with

you

in

providine

the

piope.

maiotenance for

your

'Jeep'

vehicle.

You

will

receive f.om

your

dealer an Owner's Se.vice Policy

which

has

a

1000-mile InspectioD

Coupon attached, and an

Owner's Identifr cation Card.

Read

your

Owner's S€rvice Policy caietully and completely.

It desdibes the services which

your

Willys

'Jeep'

dealer

will

furnish as

part

of his sales contract with

you.

Ask

your

deal€r

to

explain any

points

that arc not

clear to

you.

Have

you.

dealer filI out both

your

Owner's ldentification

Card and also the 1000-mile Inspection Coupon.

Our fi.st

gesture

of service is this owner's

manual.

Readit

carefully

so that

you

will be familiar

with the instruments,

controls, and corect

operation

of

you!

'Jeep'

vehicle.

v;

.JEEP'

UNTVERSAL

MODEL CJ.6

IABTE O] CONTENTS

MANUFACTURER'S

WARRANTY

Page

4

MANUFACIURER'S

WARRANTY

The only

Warranty under

which new Willys Motor Vehicles

are

sold is that

of the

Manufacturer, being the Standard

Waranty

recommended by the Autooobile

Manufacturer's Association,

and

"This

is to certify

that we,

WILLYS MoToRS,INc

,

TOLEDO,

OHIO, U.S.A.

warant each

new motor vehicle manufactured

by us,

to be fiee

f.om

defects

in material and workmanship under

normal

use

and seryice,

our obligation under thjs

Warranty

being timited 10

making

good

at our factory any

part

or

parts

thereof, includine

all equipment oi trade accessories

(except

tiles)

supplied by the

vehicle manufactuler, which

shall, within

ninetv

(90)

days after

making delivery

of such vehicle to the

original

purchaser

or before such

vehicle has been driven'1000

miles

(6100

Km.),

vhichevei

event shall first occur, be

returned to

us with transportation

charees

prepaid,

and which

our examina-

tion shall disclose

to our satisfaction to have been

thus detective;

this warranty being

er?lessly in lieu

of

all

other var.anties

ex-

pressed

or

implied and of all othei

obligations or liabilities

on our

part,

and we

neither assume

nor

authorize

any other

person

to

assume

fo.

us any

other liability

in connection with

the sale

of

our vehicles.

This warranly

shall not apply to aDy

vebicle which

shau

have been

.epaired or altered outside

of an Authorized

Willys Service Station

in

any

way so as,

in

the

judgment

of the

Manufacturer.

to affect its stability

or reliability,

nor

which

has

been subject to

oisuse,

neslisence or

accid€nt."

The

Manufacturer makes no warranty

against,

nor assumes anv

liability

for any defect

in metal or other

material

in

any

part,

device

or trade accessory which

cannot be discow€red

by

ordinarv

factorv

WILLYS

MOTORS,

INC'

NOTE

-Willys

Motors,

Inc., reserves the

right at any

time

or

times to revise, modify, discontinu€

o! change any

models

of

its

vehicles,

or any

part

or

parts

thereof,

without

notice; and,

without

it

or

the

Selle!,

incurriDg

any

liability

or

obligation

to

the Purctraser.

SPECIFICATIONS

. .. 6

GETTING ACQUAINTED WITH YOUR

rJeepr

VEHICIE

GENERAL INFORMATION.. ...,. ,

7

INSTRUMENTS. ........9

SWITCHES

AND CONTROLS..

.

. . . . . . ......11

OPERATING YOUR

'Jeep'

VEHICLE

BREAK IN. 13

DRIVING THE

'JEEP'

VEHICLE.... ..

. , , 13

OPERATION

OF 4-WHEEL DRIVE:

r......

.. .. .

. . 16

DRIVING TECHNIQUES IN 4-WHEEL DRItrE..

. . 19

tUBRICATING YOUR'Jeep'

VEHICLE

ENGINE LUBRICATION.:.

.... 22

LUBRICATION CHART........,

23

SERVICE MILEAGE CHART.......

.29

MAINTAININC

YOUR

'Jeep'

VEHICIE

POWER PLANT.....

30

cooLING SYSTEM..,.....

35

38

WIRINGDIAGRAM,.....

39

FUEL SYSTEM..

.

-

. . . . . . . . .

.....4s

DRIVING COMPONENTS...

,.

.47

EXTRA

EQUIPMENT.,.

..,.. ., .64

EMERGENCY

CHART.....

.. . . .........

....7s

'Jeeo'

APPROVED

SPECIAL

EOU|PMENI...........i7

ELECTRICAL SYSTEM.

. ,

SPECIFICATIONS

GETTING

ACQUAINTED WITH

YOUR

IJEEP'

VEHICLE

Tyte

Number ol C) iinders

Bore.

Strolre

Piston Disphcem€nt

Compr€ssion

Ratio:

Standard

High Altitude

(opt.l

Compr*ion Pressure .

Ho.sepower

(BraLe

at 4000

rpn.) . .

Hors€power

(sAE)

.. . . .

Torqle

(Maximuh

at 2000.pr.)

cJ.6

Fuel Tank

Withont heat€r

With h€ater.

GENERAI.

INFORMATION

The follovins

pases,

divided into four s€ctions,

contain informa'

tion about

your

'Jeep' vehicle.

The first section vill acquaibt

you

with

specificalions, model

designations

and serial

numbers,

instruments, and

conlrols.

The second

section describes

proper

operation

includins thc all

important break in

period.

The thi.d section

covers lublicating

proc€dur€s

and recommenda-

tions as

vell as

periodic

setricins requilements.

-

The fourth section

explains

the

function

of

your

'Jeep'

vehicle's

syst€ms and components and

also

des$ib€s minor adjustments

and

minor oaintenance

procedurcs.

Prope. lubiication

is most impo.tant. Your

rJeep'

vehicle

should be

lub cated

at

the r€commended frequencies

with the corftct

srades

of lubricants, as

given

in the third section,

to

maintain

it in first class

condition. You should

periodically

have it

lub.icated and inspected

at an

Autho.ized Willys Dealer's

S€rvice Department.

When ext€nsive adjustments and lepai.s

se€m

necessary,

have the

vork

peiformed

by a competent automotive repair

techniciar. At

your

Authorized Willys Dealer's

Service Depa.tment

the service

techniciaDs a.e

familiar

wjth

your

'Jeep'

vehicle

aDd with all

factory

.epair recommendations.

All

the

information

given

in this owDer's nanual

consists of factory

recommendations

that should be used as a

guide

lor

prop€rly

operat,

iDg and

se.vicing

your'Jeep'

vehicle.

3\"

1\'

.72

r5_63

72

15,63

al'

101"

43\6'

67"

l3srj'

r55r'

7r%'

U.S,

\at1sat.

cJs

cJ6

cross

v€hicle weisht

(GWVI:

Weights approximat€:

Siip?ing

Curb

For.anvas

half

top

model, ddd

For canvas

full-top mod€I, add

For hard top model, add.

2163 2223

3 t7

21

ga1

1031

t7

151

VEHICTE

5ERIAT NUMBER

ENGINE

SERIAI

NUMBER

KEYS

AND

tOCKs

INSTRUMENTS

The vehicle

serial

number is

stamped

on

a metal

Plate.

This

plate

is located

on the dash

under

the hood on the Ieft

side

of

the

vehicle.

Model CJ's

will

have a

Drefix

57548

followed

bY a

five-

dieit

serial

number. The

prefix

for

Model CJ-6

is

57748.

For examPle:

575,18-00000.

For

ready rcIe.ence,

recoid

Yo'lr

vehicle serial

number here:

I

The opelational instruments

are

conveniently

grouped

where they

can be easily seen on the instru

nent

panel.

Each

olthe

gauges

ard

warnine

lights

indicates

a critical

function of

the vehicle and warns,

inadvance,

when something serious

is

soins

wro11g. KnowiDg

.he

func-

lion

of these

gaug€s

and warnnrg

lights

and observing them oc

casionalty

while d.iving or while

the engine is

running can

prevent

breakdowns and exp€nsive repairs.

6

7

The eneine

serial

number

ls

stamDed

on the

water

PumP

Do3s

at tde front

of the

eneine

The

F4.134 eneine used;n

both

models

will hava

a

Drefix

4J followed

by a sii'dieit

s;rial

number,

thus:

4J-000000.

For ready

reference,

record

Your

engine

sedal

number

here:

SPEEDOMETER

The speedom€ter sweep hand

cumulated mitease

travelled.

The

irdicat€s vehicle speed in miles

per

right

hand numeral

of the odometer

hour. The odometer registers ac indicates

tenths of

a mile.

When

you

receive

the

keys

to

your

new

JeeP'

Veh;cle

record

the

key

number.

and

Put

Lt rn a

sare

convenient

Place.

If

Your

--keys

.hould become

lost,

lrour

'JeeP

vehicle

dealer

or any

comPetent

locksmith

can

rcPlace

the

keys

from this

number.

,.OIL"

WARNING

LIGHT

A rubl red

lamp will light to

indicate when the e.sine oil is not

b€ing

pumped

at sumcient

pressure

to reach the

places

that oeed

lubri

cation. When the ienition key is

turned on but the engine is not

running,

or when the ensine is

running

at

idle

speed, this light

\till shov red

without neanins

anything

is wrong. Ifit

lights

when

the ensine

is running

above idle

sp€ed,

shut the eDeine

oF im,

mediately, for

it isnot

beirs lubri-

cated and

will burn itself out

in a

FIG. 1 INSTRUMENTS

A ruby-red

lamp will

light

to

indicate that

for some

reason

the

gen€rato.

is not

properly recharg'

ing the

battery.

When the

ignition

key is turned

or1 but the

engine

is

not runnine,

or vhen

the engine

is

.unnine at

idle speed,

this light

will

show

red without

meaning

any

.FUEL"

This

eause

indicates

how

much

fuel

is in the

fuel tank.

The

pointer

will drop

back

to

Lhe E

(emPty)

mark when

the

tenit;on switch

js

turned

off.

It may

take a

moment

..AMP"

WARNING

LIGHT

.TEMP"

GAUGE

TURN

SIGNAL

INDICATOR

thing is wrong.

Ilit

lights when

th€

engrne

is running above

idle sPeed,

have

the charei'rg

ci.cuit

checked

as

soon as

Possible

o.

the battery

will soo!

so

dead.

If this light

comes

on and stays

on while driv-

ins,

promptly

detelmine

and

cor-

rect the failure.

GAUGE

for the

gauge

to

.ecord when

the

isnition

switch

is

again

turned

on

The

point€r

may

fluctuate without

meanins anything

is wrone

as the

vehicle

is driven

over

roughterrar.

SWITCHES

AND

CONTROI.S

FIO.

2-VEHICLE

CONTROLS

The temDeratufe

gauge

registers

the

tempeEture

of the solution

in

the

cooling

svstem.

If the

needle

of the

gauge

swings

far itto

the

H

(hot)

zone,

it rneans

the engrne

is

running

dangerously

hot and

may soon

quit.

Stop

and

'nvestl

gate.

The

usual

cause of

overtreat

ing

is that some

of the

water

or

antifreeze

in the

radiator

has

€vaporated

or leaked

out

through

a broken

radiator

or

heater hose.

If the

"amp"

warning

lieht comes

on at

the same

time,

it may

mean

the

fan bett

has broken.

Whateve.

the

trouble

is, don't drive

on until

it has been

corrected

or the engine

CAUTION.

Always

remove the

.adiator cap

slowly to avoid

Possi

ble

i.jury

from escapins

steam

or

hot water. Never add

water

when

the

engine has

overheated;

allow

the

engine

to cool

first.

TGNITION

AND

The ignition

and starting motor

switch ar€ integral.

This switch is

located on the

dash, below ard to

the.ight

of the instrument

cluster.

Turn

the key to the

extreme

right

(clockwise)

to

connect the

ignition

and oank the

eDsine.

When the

engine starts, iDmediate-

ly release the key

as it is spring

loaded to

automatically r€turn to

HEADLIGHT

BEAM

IND]CATOR

A ruby'red

light

glows

wher

the

driwers.

When the dimmer

switch

headlishis

sre

on tictt U..m

a"d

is

push"d on"e

rhe headlishls \^.ill

warns

that

your lights

may

be

ssrl'h

ha'k o low oPam

anc

rn'

shiline

inro itr.

eves

or oncon.;ng

indrcaro'

lishl urll

eo

off

STARTER

SWITCH

the

"on"

position.

Avoid

tuoing

the key to

the

"start"

positioD

rvhen the engi.e

is runnine.

To

supply electric

curent from

the

batte.y to operate

the heater

and othe.

accessories

when the

engine is not running,

turn

the

key

to the ext.eDe

teft

(counter

clockwise)

position.

The

tuln

sisnal

indicator

switch

is locat€d

on the steering

colum!

The

up

position of the switch

lever

sisnals

a

right turn;

the

do$n

Pos'

ti;n sienals

a left

turn

When a

tu.n

is sienalled,

the

green

lieht

will

flash.

wlren the

turn

is

com

Dleted

and

the

vehicle

is

a8air,

;oins straiqht ahead.

the

seli

i"ncitLi"g

s''tcr'

will tu.n

off the

lights

as the

iever automatically

snaps

back

to centered

Position

LIGHT SWITCH

SHIFT LE\,ERS

HAND BRAKE

HEATER CONTROLS

OPER,ATING YOUR

&GP

VEHICIE

PROPER,

BREAK

-

IN

The

"$hiftins

pattem"

of

the

ta$mission shift lever

is

shown

in

figure

3

for

the 3'speed

trans.

mission

and

ffgure

4

for

the

optional

4-speed transmission. S€e

page

14

for operation of th€ transfer case

shiftine

levers.

The Iielt switch, No. 4,

is the

pluflge.

type.

When

the

control

knob is

pushed

in,

no lights are ]it.

Pulling it out half way ope.ates

the

parking

lights and all the way

out the

headlights. The instrument

cluster light

is on when either

the

parking

lights

or the headlights

are 50

mph.

I80

kph.l.300 to

800

mil€s

[1300

km.l

60 oph.

[95

L?h.l800

to 1200 miles

[2000

km.]

The cmnkcase is filled

at the

facto.y

with oil of

the

proper

viscosity for the

"break-in"

p€riod.

This special oil

should be

drained

at s00 miles

[800

kh.]

and rcplaced

with engine oil of the

vismsity

recommended

in the Lubrication

Section.

During

the frrst 1000 miles

U600

km.l of operation

be alert for

any

indication of overheatins

in

any

component of the

vehicle.

.

Give the vehicle a

cohplete

lubrication

covering all the items

.

See that

all

lires

have the

.

Should the engine

fail to

start

at once,

pull

the

choke all tlle wqy

By

takine a few reasonable

pre

cautions

during the first few miles

of

driviDg and by

siving

your

vehicle an opportunitv

to

properly

"break

in", operatio!

and life

of

the wo.king

parts

of

your

'{Jeep'

vehicle will be

greatly

ioproved.

The

parts

of

your

new

'Jeep'

vehicl€ ale

precision

fitted.

Close

limits are maintained

th.oughout.

Therefore

certain speed

limits

should be observed to

"break

in"

The manually operated brake

control is located uDder

the edse

of

the

instrument

panel

to the left

of

the steering column.

To set the

hand

brake

first depress the foot

brak€, then

pull

out

on the

hand

brake control

handle. Turn the

handle

slightly and

push

it in to

warm uP,

do

not

Check all controls

for ftee op-

eration and turn

air control knob

for

ch€cking

blower control speeds.

Thc air control knob whe'

pulled

atl the way out,

gives

the

maximum

air travel thrcugh the

heater coils

and the amount

of

heat depends

on

how

far

the

(l€ft

knob) tempera-

ture control

k

pulled

out. To in-

crease

the air flow heat output,

tum the ai. cont.ol

(center

knob)

which controls the blower speeds.

One

notch

to the

right for

low speed

and second

notch for high speed.

Pulline out defrcstff control

(right

knob) direcb warm air

throush the two deto€ters to the

wiDdshield. For Su'n'ler DrieirC

-Pull

out

air control

(cent€t

krob) only half way for maximum

fresh air to driver's compartmert.

a0 Dph.

[6s

lah.l.

.

Fill

th€ radiato..

.

Put

sasoline

in

the tank.

the fille.

pipe

until the oil indicator

placing

the shift

lever,

No.

7, in

th€ forward

position.

.

Fill

the oil reservoir

tlroush

in the Lubrication

Sectior.

Be sure to have

your

'Jeer"

vehrcle

dealer irspecr

your

'Jeep

.0to300miles

vehicle

at the end of 1000 miles

[s00

km.]

11.600

km.l

usaee.

CARBON

MONOXIDE

Carbon monoxide isa

deadly

sas.

ensine

in a ctosed

garage.

Always

lr

hrs

no

odor. no laste. no color.

open

the doors $ide

befde starti;g

It

is iD the exlaust fumes

of all

the engi'e.

Keep then open

wide a;

gasoline

engines. Never

sta.t an

lons

as the eneine is runnins.

OPERATION

MAKING

THE !'EHICLE

READY

stick registeis

FULL.

See

Lubrica p.oper pressure.

See Ti.e

Pressure.

STARTING THE

ENGINE

.

Put

the fansmission

searshift

lock, No. 5,

and

turD

it to the

lever, Fie.

2, No. 14, in neutal.

right,

closins the ignition

circuit.

Place the

transfer case low

and

.

Tu.n

the isnition key

,,hard

high shifr

lever. No. 8. ;n

direcl richr "

and hotd it there ro opdate

gear

or in lhe rear

position

and lhe starter, Release

pressure

on

disen8age the fronr

axle drive by

key when engine

starts'.

.

Pull

the choke

cont.ol one-

out and again

press

tie starting

fourth of

the way out.

This will

switch. When the engine

starts,

also open

the thiottle sfigntly.

set the

choke control at the

best

.

Place the key

in the isnition

operating

po6ition

and as the en-

ginc

warms

up,

push

thc choke

all

the way in. Do

not run with the

choke out as fuel

is wasted and

STARTING

THE VEHICLE

.

Release the

hand bmke,

if set.

.

Dcpress the clutch

pedal.

.

Move the transmission

sear

shift leve. to th€

first

position.

See

figues 3

and

4.

(Note

that the

front

axte and traosfer case shift

levers are not uscd

when the

vchicle is driv€n

on the hishway

in rcar wheel drive.)

.

D.press

the

foot

acccleratoi

pcdal gradually

and

at the same

timc slowly

relcase

the clutch

pcdal.

.

Allolr the vehicle

to

gain

mo-

mcrtum

(two

or thrce v€hicle

lcngth!), ther

rel€ase

the accelera-

tor

and depr€ss the clutch

pedal

atlhe-same

moment.

.

Mo!€ tne shift

lever

p.omptly

to

thc

ncxt higher

speed

position.

DcFcss the foot

accele.ator

pedal

gredually

and at the same

time

llowly release the clutch

pedal.

.

Shift to

'tigh"

speed

in

tlle

ramc

way at

about

18 to

20 mph

(29-32

tm./ttr.), releasins

the ac'

cclerato! and depressing the clutch

pedal

before

moving

the

shift lever.

the engine

fouled.

.

Should

the engine

fail to start,

see

th€ Emergeocy Chart.

FIC. 3-SIIIFT

PATTERN

3.SPEED

ARANSMISSION

*.ee

^dd

d

FtG

4

-SHIFA

PAAAERN

OPTIONA! 4 SPEED

ARANSMISSION

.

It

will

be found

advisable

to

make

this

chanee

when

the engine

's

placed

under

heavy

pull

or

when

dropping

down to

a very

low spe€d,

as

when traveling

up a steep

grade

in

s.and or in

congestcd

tra6c.

.

Never

attempt

to make

thc

change

with the wehiclc

travcling

at a high rate

of sp€€d.

.

With

the vehicle

at

a staDdstill.

deFess the

clutch

pedal.

.

Shift the

gearshift

lever into

the reverse position,

and stowty re-

REVERSING

THE VEHICLE

TOWING

THE !'EHICLE

lease

the clutch

pedal

and

regulate

the

vehicle speed

with the foot

ac

The

vehicle

may

be towed for-

ward in

the normal

mannerwithout

dMage

to the fou.

wheel drive

mechanism.

The

gearc

in

both the

transmissioD

and transfer

case

must

be in their neutral positions.

Should it

be

necessary

however,

to lift

the

.ear

wheets and tow rhe

vehicle in reverse,

be sure to !€,

move

the front

axle

shaft driving

tlanges

to

prevent

the flont

dif,

ferential

from rotatins.

Should

the

drivine nanges

b€

femoved,

a cover

should be lm,

provised

to

prevent

dirt from

entering

the

wheel bearings.

STEERING

KNUCKLE

OIL

SEAL

After

driving in wet,

f.eezing

weather,

swirg the front

wheels

from

side

to side to wipe

the

moistu.e

otr

the seals and

the

spherical

surfaces

of the

steerins

knuckle

housings.

This wilt

prevent

the formation

of ice

which might

damase

the knuckle oil

seals.

STOPPING

THE VEHICLE

.

Rclease the foot accelerator.

.

Appty

t1le foot brake

until the

vehiclc is

nearly

at

a sta.dstill

and thm depress the

clutch

pedal.

Th€

practic€

of appltns the brakes

intermittently ratler tlan

with

coDstant

pressu.e

will

result in

reduc€d brake linine wear as lcss

.

When stopped, move

gearshift

lever into

neutral.

.

S€t the hand brake

and release

the clutch and b.ake

pedats.

CHANGING

TO LOWER SPEED

.

Depress the

clutch

pedal.

.

Mov€ the

gearshift

lcwer

quick-

creasing th€ engiDe speed

slightly

if t.aveling

on tevel road, and

r€-

lease

the

clutch

pedal.

ly

into the

ncxt

lower

speed, in-

To shilt frcrn

4-wheel-drive

to

2-whael-drive

let up

on the

acc€lerator,

ifth€ vehicle

is moving,

and

move

the

front'axle

drive lever

to the

forwa.d

(out)

Position.

The

auxiliary-range

levei

must be in

hish

(rear) position before the

front axle

drive can

be disensased

-'?o*-

'"o

I

o',""

WHEN TO USE

4'WHEEL

DRI\E

10032

gear.

Use

4 wh€el drive

otr the

road when

vou

need it. Use it

in

$ow. Us€

it to

get

heavy trailers

rolling

and

for

pullins

agricultural

imptements. Use

it on

ice, hitts,

mud, sand,

and wherever

normal

2 wheel-drivc

traction

won't do the

job.

4.WHEEL

DRI\E

of torsional stress

iD the

drive

train

and

results from

normal

variatioDs

in tirc diameterc

uoder

differeDt load

conditions.

To

rclieve tnis buitd-up,

simply

drive

the vehicle

in

reverse for

several

feet

or dfive otr the

hard

su

ace

Domentarily to allow

the

Shift to

4-wheel

diive, hish

range, first

gea.wheD

goine

throush

mud,

snow, and

sand without

a

load. Auxiliary

low rans€

is not

necessary

in

such conditions

unless

a load is being

pulled

by the

vehicle

or unless

it is

desired to

proceed

more

slowly

because

of

changins road

coDditions.

Don't

shift into

aDy lower

gear

than is

necessary

to oaintain

headway.

Try

to kcep

a constant

ensine

speed. Over

rewing

the engine

will cause

the wheels

to

sta.t

A'Jeep'vehicle

may

on occasion

be

driven up to the

hubs in sand,

mud, oi

water. As

sooD as

possible

thereafter.

clean the

b.ake drums

o,rr.)

a\,"*

,"-

6

a*"

Use 4-wheel

drive

to

Provide

additional

traction and

lowe.

sear

ing

for difficult

terrain and

to

provide

low speed

Pulling

Power

fo.

industrial and

asricultural

us€.

You should

only use 4-wheel

drive

when

greater

traction

and

Power

are

required than can

be

Provided

by the

standa.d

transmission

low

WI{EN NOT

TO USE

For

normal drivins

on

hard-

surfaced

.oads, 4-wheel

drive

should

not be used.

The additional

tractive

effort

it

P.ovides

is

not

needed under

such conditions

Pro

longed

use of 4'wheel

drive

on

ha.d-surfaced

roads may occasion-

ally caus€

temporary

difficulty

in

shiftins

out

of 4 wheel d

we. This

condition

is

caus€d

by a

build-uP

."Q?--

*o

Q

o"*"

UP

HI

Shift to 4-wheel

d.ive, low range,

second

sea..

Drop

dow! to first

g€ar

only

when it is

apparent that

tie st€cpness ofthe

asc€nt requires

the lowe.

sear

to

maintain

head-

Apply power

smoothly. Don't

lose traction by

ovei-rewing

tle

ensine. ID

certain conditions,

head-

way

can be maintained

by using

a mitd

pumpins

action on

the ac

c€lerator. This

action

produces

"Walk"

the vehicle

up the last

few feet.

If the whecls

start to slip

with only

a

few

feet of the

ascent

remaining,

headway

may

be

main-

tain€d by

swinging the front

wheels

DRIVING

TECHNIQUES

IN 4.WHEEI.

DRIVE

THROUGH

MUD,

SNOW. AND

SAND

10033

sDinning

and traction

will be lost.

Tire

p.essure

may be reduc€d

to

about l0

psi.

il

additional flotation

CAUTION

THROUGH SAND, MUD,

OR WATER

to

prev€nt

any

abrasive material

that

may

have eDtered from

wear

ing

the brake linings.

LL

9?

l-o-l

dd

10034

ergine

speeds slightly

above and

below t}le

vehicle speed

and

gives

GETTING

OVER THE HUMP

sharply left

aDd

.isht.

This

will

provide

a fresh

"bite"

into the

su.-

face

and witt

usually

result

in

enough

traction to

comPlete the

climb.

IF

YOU

Ifthe vehicle

stalls

or loses

head-

way

when

climbing

a steeP

hi[,

male a fast shift to

reverse or

first

gear.

Dont depress

the

clutch

Ensine compression

wiu

hold the

vehicle

on the

hill. Don't

try

to

back dowr

with

the clutch

released

and

only the

brakes

holdins

the

vehicle.

By

shifting

into

reverse

you

can start

the engire

without

depressing

the clutch-

Let

the

vehicle

moved backwards

with

the

starte!.

WheD

the el}gine starts

DOWN

Shift

to,1 wheel drive,

low

ranse.

6rst

gear.

Don't use

the

clutchl

Don't use

the

brakes!

Your 4

wheel

drive vehicl€

can

Proceed

in

safety down

a

srade

whicb

could

lot be

negotiated safely

by

a

conventional

2 wheel drive

vehicle

Shift

to low

ranse,

first

sea.

and

let the vehicle

so

slowly

down

the

hiu with

all fou. wheels

turnins

agaiost

engine compression.

This

STALL

??

ro-1

oo

HILL

9?

tG

Jd

LUBRICATING

YOUR

JEED

VEHICLE

10036

you

can control

your

downwarcl

speed

with

the accetetator,

1003t

will

permit

you

to control

the

vehicle's

speed and

direction.

with the

possibility of tiPPing.

When

necessarv,

choose

as mild

an anele

as

Possible,

keep moving,

and make

your

tums

quickly.

WE REPEAT'-DON'T

TRAV-

EL DIAGONALLY

ACROSS

A

HILL UNLESS

ABSOLUTELY

NECESSARY.

common

sense

and caution

Don't

tak€ unnecessary

risks and don't

attemPt

the

imPo€sible.

Knowledee

of

your

vehicle

and

its

abilities

is

you!

best insurance

Know

your

vehicle;

use

it viselyi

andyou will

enjoy

safe,

economicat'

and

faithful service.

Regular

application of

high-

srade

lubricants

when operating

your

'Jeep'

vehicle is

especially im

portant

because of

the diversined

tl.pe

of

service it

perfo.ms.

The

amount of trouble free

service

you

.eceive

will be in

proportion

to the

care

eiven.

The

t].pe of seNice

per-

foroed

determines the frequency

The following

pages give

the

iocation

ard fr€quency of lubrica-

tion,

and the

grade

and

quality

of

lubricait required for

all

parts

of

I

our

rJeep'

vehicle. The mileage

in

structions should

be

followed

when

the vehicle is

used

for road

work.

The

hou.ly instructions,

which are

oDly

approrimate, should be

used

wheD

the vehicle

is

used for field or

industrial

work.

It is impossible

to

give

accurate hourly instluctions

because of

the diversified service

aDd conditions

unde. which the

vehicle may be operated.

Good

judgment

must be

used

for

frequency of

lubrication accord

iog to the type

and conditions of

the work beins

performed.

As an

example

when

used as a farm

tractor

unde. dusty conditions,

the

chassis

should be lubdcated

daily

as the new

lubricant fotces

grit

and

dirt, which has

accumulated dur

ing

the day, from the

bearing su.-

faces.

Under these conditions,

the

air creare.

should also be cleaned

and refilled

daily or, under extreme

conditions,

twice daily.

Because

of the importance of

lubrication,

detailed recommenda

tions are

given

in the

paragraphs

followine.

.'.oo--

,".

Q

o*""

?--

ri)

6.".

."'a

^a

WARNING -

ACROSS

SLOPES

Avoid this situation!

Your

'JeeP'

vehicle

wiII seldoo

encounte.

a

hill which

it cannot

nesotiate

directly.

However,

natural

ob-

stacles

may make

it necessary

to

travel diagonally

uP or down

the

hill.

The danger

lies

in losing

traction

and

slipPing

sideways

SAFETY

AND 4'WHEEL

DRIVE

Your

'Jeep'

vehicle

has sufficient

Dower

and

traction

to take

vou

safely

throush

conditions

which

vould be hazardous

or impossible

for

cooventional

vehicles 'JeeP'

4'

wheel

&ive

is

a

Powerful,

useful

tool that

will

perform many difi-

cult tasks,

but-it

must be

used with

FIO, s-ENGINE LUBRICAAION

22

ENGINE

LUBRICATION

The en{ine

is

lubricated

with a

cositv for

the

"break-in"

Period.

forcc-feed- continuous

circutating

If the vehicle

is used on the high'

svstem.

A rotor

(ype

Pump

circu

wav change

the engine

oil

al 500

t;tes the oil. It is located

exlernallv

miles

(800

kln

)

and

2000 miles

on the left side

of the eogine, and

(3200

km

),

then

everv 2000 miles

is

&iven

by a

spiral

gear

on the

(3200

km

)

thereafter.

For heavv

camshaft.

industrial

or

dusty

field wo.k,

The oil

is

drawn

into the

circulat

chanee

the oil at the fr.st ten

ine system

lhrough a

floating

o;l hours, and

each 50 hou

rs

thereafter.

iniake.

The

floatine intake

pre-

The crankcase

is

drained

bv re

vents

wat€r and dirt,

$hich

may

moving the drain

plug

in the lower

have accumulated

in the bottom

left side of

the oil

pan.

of the oil

pan,

from circulating

be'

Alwavs drain

the oil when

the

caus€ the

;il is

drawn

from

near the

eneine

is wsrm. If it is drained

roD surfacr.

when

rhe ensine is cold. some

of

the au€ntitv

of oil in the crank-

rhe foreisn

maner

will

remain in

case

is measu;ed

by the bayonet

lhe bo(tom

of

the

oil

pan.

Iosins

ferentiats

(exccpt

Powr Lok

dif-

ferentials),

and

steering

sear.

The

proper

SAE

grade

of

GL4 should

b€ selected

to

corespond

with

climatic

conditions.

Each 1000 miles

[1.600

km.l

clean each lubricati@

fitting in-

dicated by No. 1 on the

Lubrica,

tion Chart and use a

pressure

sun

All

spring shackles and

spring

pivot

bolts are shown as No.

2 on

the Lubrication

Chart, but

some

of thes€

points

will

rot

have lubri-

cation fittings. Where there

is no

lub.ication frtting at one of

these

points,

indicatins

a silent

block

SPRING SHACKLES

AND

PIVOT

BOLTS

LUBRICATION

FITTINGS

OIL FILTER

AIR CLEANER

GENERATOR

STARTING

MOTOR

to

lubdcate.

Be sure

that the

grease

channels

are oDen

to l)ro-

vid€

complete

lubricatlon

of bear-

bushins has

been

installed,

that

point

is Dot

to

b€ lubricated.

Where

there

are

tub.ication

fit,

tings

at th€

spring

shackles

or

pivot

bolte tub.icate

at each fit-

ting with

a

pressure

guD

every

1000

miles

[1.600

km.].

tlT€ oil level

indicato. which

is

combined

with

the oil

filler caP on

one benefit

of

the

oil change.

Afte.

draining

replace the

plug

the oil

fiIle.

oiDe

located

or

the and

refill

with

fresh oil Add

an

risht side

of rhi engine.

Mainrain

addirional

quarl

if the oil

6lter has

rhe eneine oil level

betw(en

lhe slso

been drained

"Add

Oil"

and

"Full"

marks on

At teast once a

vear,

prefetablv

rhe

enq;ne diD slick.

in the spr;ne,

remove the oil

pan

The- crankiase

is

filled at the

and

fioaring oil intake and

wash

factory

with

oil of the

proper

vis

thorouehlv

with cleaning solution

LUBRICATION

CI{ARTS

The lubrication

illustratioDs

on composite

and mav

not n€ces-

the followins

pages

are

prepared

salily

renect anv

particular

vehicle

as a euide

to the

location

of some

in all details. Text should

be cate'

ol th;

major

lubr;cation

points

as

fullv

read for olh€r

points not

indicated;n

lhe charts

a.companv

indicated

on lhe charls

ing them.

The chassis

shown

is a

ENGINE

OIL CLASSIFICATIONS

The oil filter

should

be dis-

mantled,

cleaned aDd the filter

element replaced

at

the

end of the

firut 2000 miles

(3200

km.)

ofhigh

vay travel, or 100 hours

of indus-

trial

or field

u*.

Replace

the

elemcnt

at

each 6000

miles

(9600

km.) of

hishway

t.avel

or

150

The oil bath ai.

cleaner

thoroughly

removes

all

dust

from

the

air before

it

ente.s the carbure-

tor. For efficient ope.ation,

the

clean€r must be selviced

at reg

ular inteNals. SeNice the

unit at

each engine oil charge. To

service

the air clean€r, unscrew the eye

bolt

on th€ oil

cup clamp

and

re

WATER PUMP AND

CLUTCH

move

the

oil cup.

Scrape

a

dirt

from

inside

the oil

cup

and clea,

the iDside

eurface

with

cleanine

solutior.

Refill

with new

oit of th;

same

vrscosity

as is recommended

for

the engine

crankcase

to the

oi1

level

bead

and insta)t

the

cuD

s€_

curely

to the

cleaner

bodv

witL the

attaching

clamp.

cated

at assembly

and the

lubdcant

lasts

the life

of the

bearings.

The

American

Petroleum Insti

These new desi$ations

replace

tion to the above

ctassification.

tute

has adopted a

new system

of

the older designations

of

"resular"'

claslifyins

e;sine

oils accord;ng

to

premium".

and

healv dutv

.

twe ois&ici.

rnese

new desiena

Depending

upon the condirions

of

tions

are:

operation,

€ithet MM

or MS

grade

rs

recommended

for

'JeeP

vehicles

ML

-

Iisht and favorable

serv.

-ice.

The

API-SAE viscosity

number-

:^^,

system

is not affected

bY lhis

MM -mod€mre

to severe

s€rv-

irE";..

r. i" still

necessatv

to

"p."&

tt'" Sls

number io addi-

The water

pump

bearing

and

clutch

.elease

b€a.ine are

pfelubri-

Two oilels

are

provided

oD the

generator

--

one at each €nd. Two

to four drops of engine oil in each

oiler

is recommended

every

1000

m']es (1600

km.).

MS

most severe

servrce.

MULTIPURPOSE

GEAR

LIJBRICANT

GL4

A new multipurpose

eear

tub.i bevel,

and worm

sear

applications.

cant desienared

as

A.P.I. S€rvice

GL4

is recommended

in the Lubri

GI-a' has

improved

load caryins

cation

Specificalion

table

for th€

capacity

for;ost

hypoid, spirat

trans'nission,

transfer

case' dif-

The

starting

motor is

lubricated

at a$embly and

requir$ no

furthcr

lubrication

be8reen

stating motor

?5

I

tl

l"l

lEl

t!l

t:l

iil

l!l

i!l

l;

!l

l3 sl

ld Sl

i:.gl

la' el

lj

gl

l:i.l

i!!:l

t;

ril

ij

g:l

|

5*rl

t0,sl

t:€51

l;ril

t:E:l

l3:El

l!€:l

t!E;l

IT€

gI

l€:?l

/.tE Fl

li;:l

ld.!l

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7

z

6

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IE

il

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:;a;

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21

z

F

d

DISTRIBUTOR

The distributor should be lubri

made

accessible by

removing

the

cated

evely 1000 miles

(1600

km.). rotor

a!m. Sparingly apply soft

Place

aeveral

drops

of engine oil in

srease

on the

breake. arm cam.

the

oiler. Also

place

one drop of Apply a drop ofoil on

the breaker

light ensine oil

on

the wick located aim

pivot.

on thc top

of

the shaft, which

is

SPEEDOMETER

Remove the speedomete. drive with a

sood

quality

lisht

e.aphite

shaft from the tub€

once each

year, grease.

clean

it thoroushly

and

lubricate

STEERINC GEAR

Check the tubricant lewel in the ins

level. Should lubricant

be

.e-

steerins

gear

housing at each 1000

quired,

fill

the housine stowly

with

miles

11.600

km.l to be sure that a hand compressor.

Do not over

the lubdcant is at

fi1le.

plus

open- look replacing the filler

plug.

UNI\ERSAL

JOINTS

(PROPELLER

SHAFT)

Lubdcate the univcrsal

joints

to lubricate

tl|e tunnions to

avoid

and slip

joints

for both f.ont and damaging

tle trunDion bearing

rcar

propeller

shafts with a

good

seals which might

occur through

quality

lubricant

every 1000 Diles

the use of a high

pressure guD.

11.600

km.l.

Use

a hand compressor

UNIVERSAL

JOINTS

(FRONT

AXLE

SHAFT)

Thc

front axle

universal

joiDts

axle shafts and

unive.sal

joint

as-

arc cnclosed

in the steering lnuckle

semblies should

be

r€moved,

thor-

housings which are

6lled

with lubri oushly

cleaned and the

housines

cant. Check cach

1000 mil€s

(1600

filled with fr€sh

lubricant.

Clea;

km.)

to

bc surc the housings

are aDd

.epack

the housings

twice

each

fillcd to

plug

l€vel. Once

each

year year

if the vehicle i5

used for dusty

(12,000

mile!)

(19,200

km.) the field

wo.k.

UNIVERSAL

JOINTS

(POWER

TAKE-OFF

PROPELLER

SHAFT)

Thc original factory lubrication otris

used for continuous

opcmtion,

will lsst thc

lifc

ofthe v€hicl€ under disass€Dbl€

and repack

onc€

cach

avcrsg. servic€.

If

tnc

power

take-

year.

WHEEL

BEARINGS

Front whe€l b€arings

should equipped

with tubrication

frttings

be

removed, tnoroughly

cleaned,

and should be

lubdcated ev€rv

ch€cked, and repacked e!€ry

6000 1000 miles

[1.600

km.].

Fi'st cha;r

miles

[9.600

km.l or twice

yearb..

the lublicant

relief

hol€, Fis. 33,

The rcar whccl bearings

are No. 1,

et tlle top

of the howing

and then lubricate sparingly

to

gua.d

asainst surplus oil saturating

the brake linings. Llbricant flow

ing

out the relief hole

indicat€s

thc

bearing

is

properly

filled.

Lubricate all bea

ngs

and clevis

pins

of

the haod brake control

each 1000 miles

[1.600

km.]. Lubri-

HAND ERAKE

CONTROL

BRAKE MASTER CYLINDER

CHOKE CONTROL

cate the b.ake cables

inside

thc

ffin"

*"n 1o'ooo miles

[16.000

Check the

fluid

level in the brake

master

cylinder every 1000 miles

11.600

km.l. Wipe

ctean the top of

the filter

cap and abo

the housiDe

area around it. Replenish the

bmke

fluid

to a leyel

rZ"

lr,3

cm.) be\ow

the top of the fiII hole. Use only

heaa'1,

duty b.ake fluid

conforming

to specification

SAE-70,R1.

Be

su.e to handle the

brake fluid

in

clean dispeft.rs

and

containe$

that will not introduce

even

the

slightest a.rnount of other

liquids.

Replace

and tighten thc fille.

cap.

Lubricate the exterior su

aces

of the flexible conduit with

pene'

lntinc

oit

every 1000

mircs

11.600

CLUTCH LINKAGE

Lubricate

all

friction

points

of

the clutch linkage every 1000 miles

[1.600

km.]. Use the same

grade

ofengire oil as used fo. the engine.

Failu.e

to lub.icate these

points

will result in

premature

wear;

thc

links

will wear and

the holes in

the mating

parts

will

bccome

TRANSMISSION AND TRANSFER

CASE

Drilled

passases

between the

standard three-speed transmission

and the t.ansfe.

case housiflgs

permit

lubricatine

oil to circulate

between the

two units- Howewer,

each

unit should

be seNiced

Optional four-speed transmission

and transfer case housings

have no

provbion

for lub.icating

oil to

cirolate between them and

musl

be serviced separately.

Check the oil level

every

1000

m es

(1600 km.). Drain

and

rcfitl

each unit every

10,000 miles

(16,000

km.)

or

300

hours of field

NOTE: The lubricant

capacity

of the housings

is

small fo! €cono-

my,

so

it is

vcry important

that

the

lubricant

be changed

every

300

hours when the

vehicle is

used for

dusty field work.

Eard shifting

of the transmis€ioD

geals

in

cold weather

is a

pGitivc

indication

that the

trarsmission

lub cant is eithcr

too

hcavy

a

srade

or the

quality

allo,i's

it to

congeal at the

p.evailing

tempera-

ture.

This condition

will also

prob-

ably

apply to the transfer

caae

and

ditrerentials.

If the oil is

too heaw

to attow ease of

shifting, it

ir too

beavy to

properly

lubricate

thc

close fitting

parts.

Change

the

lubricant to a lighter

grade

without

delay.

Check

thc

level in the

difreren-

tial housings

every

1000

Dites

Ir.600

km.l to be sure

that

the

irbricant is at

the level of

the filler

plugopenings.

Draib

and

refill each

housins

every

10,000

mil€s

116,000

km.l. Do

not mix ditrercnt

tYPeE

DIFFERENTIALS

POWR-LOK

DIFFERENTIAL

SPRlNGS

of lubricants.

Use

light

eneine oil

or light

flushing

oil

to clcan

out

the

hoLrsins

(except

on Powr-Lok

ditr€rentials).

Do

not use water,

steam,

kerGene,

or

easoline

for

flushing.

si

F

iv

Z

b;

o

F

b

gu

E

.9;

>

o

:.^

i

F !!

p

E

E.; E

U

;*:

>

433

v

",9-

A

"EE

,bE€

o

Some

vehicles

ate

equipped with

locking

ditrerential

(optional

equip-

ment). Lockine

ditrerential

lEe a

brass

plate

stamPed

with the

letter

?

under

one

of the

gear

cover

screw

heads

(Fig.27, item 17)

to

distinsuish

it from standard

dif

Ordinary

lubricants

musf

not

be used

in the locking

ditrerential.

Use

only Willys

Powr Lok

Ditrer-

ential

Oil, Part

No. 94557,

furnish-

Do not flush the Powr

Lok dif'

ferential.

The use

of

cl€aning

sol

vents

of any

kind is not

recom-

The vehicle

sp

ngs should

not

be lubricated.

At assembly

the

leaves are

coated

with a

long-

lasting

special lubricant

which

is

designed

to last

the life

of the

springs.

Spraying

with the usual

mixture

of oil and

ketosene

has a

tendency

to wash

this lubricant

from between

the spring

leaves.

GOVERNOR

Check

the oil level

in the

gove.- the

ensine

Drain and

refill the

nor housing

at

each lubrication.

housing at each

ensine

oil change'

Use

oil of the

same

glade

used

in

POWER

TAKE.OFF

SHAFT

AND

PULLEY

DRIVE HOUSINGS

Check

the lubdcant

level

at each

the

power

take-o$ be used

fre-

lubrication

job,

maintaioine

the

quendv,

change

the

lubricant each

lubricant

at

filter

plug

level Should

300

hours.

E

6

tt

.!

I

i

o

I

;

E

:i

:i'

36I

9;a

E

a

-

6

3t30

MAINTAINING

YOUR

:FED

VEHICLE

POWER

PIANT

PERIODIC

INSPECTION

CHECKING

VALVE

TIMING

ProDer maintenance

of

You.

'Jeep'-vehicle

demands

that it be

qiven

a

thorough service

inspec

tion and

lubrication

at €ach 1000

miles

I1.600

km.l of operation

Such

an inspection

consists

of a

careful

road

test

and

examiDation

by

a competent

se.vice

technician

to locate and

analyze any

small

faults that

may have developed

Prompt

correction

of minor faults

thus discovered

will

go

far toward

holdins

down

maintenaoce

expense

and

costly delays

in operation.

Your 'Jeep'

vehicle dealer

is

vitally interested

in

your

'Jeep'

vehicle and

it will

pay you

to

have

him

regularly insp€ct

it. Many

dealers'

s€rvice technicians

have

the advantage

of complete

factory

specifications

cove.ins the

v€hicle

as

well as bulletins

which are

regularly sent

out

by

the factory.

The follo\rins

paragraphs outline

methods

of making minor adjust

ments and also

suggest

P.ev€ntive

maintenance

ope.ations.

Should

major rcpai. work be

n€cessary,

consult

you.

'Jeep'

vehicle

dealer.

The

valve

timins

may

be

checked

in

the following manner:

Adjust

the inlet

valve lash

of No.

1

cylinde.

to .026'

(.6604

mm.).

Then

rotate

the craDkshaft

clock-

wise

until the

piston

in

No. 1 cylin-

der is ready

for

the intale

stroke.

To dete.min€

this,

estimate the

9o befo.e

top center

position

on the

timing gear

cover. figure

8,

by

notins

the

distance

between the

top

center ma.k

and

th€ 5' mark,

and

aligD the notch

oD the fan

drive

pulley

with the

9o

position.

With

the

crankshaft in

this

posi-

tioD,

valve tiDidg

is correct if No.

I rocker

arm is

just

tight against

the

end of the valve

stem.

After

checking, reset

the valve

lash to the

cor.ect

clearance.

Should

the timing

be incor.ect,

it is

advisable to

consult

you.

'Jeep'

vehicle dealer.

FIG.

8 {IL PUMP

r? R.ri.f

v,lvc Prunia!

PUMP

20

pounds (1.4

kg./sq.

cn.) at 3s

mph.

(56

km./h.) and

6

pounds

(.a3

ke./sq.

cm.) at the idte

speed

of

600

rpm.

The oil

pump

drive

shaft drives

ENGINE

TUNE-UP

For

best

performance

and de-

p€ndability,

the engine

should

havc

a tune-up

twice

yearly, preferably

in the sp.ins

and

fall.

Proper

tune-up

proceduie

should

include

the

following:

.

Clean

and tight€n

the battery

cable

terminals,

the battery

ground

connection

and

sround

strap

on the

right side

of tlle

engine at the

front eDgine

support.

.

Remove th€ spark

plugs,

clean

them

thoroughly

and sPace

the

electrqles

to

.030/

10,76

mm

l

gap.

.

Check valwe

clearance

See

Remove

t}te distdbutor

caP

and

inspcct the

contact

Points.

Adjust ihe

points

to.020"

10,51

mm.l

sap.

.

check

tne isnition

timing. See

ADJUSTING

The

tash on €xhaust

valves

should

be set

at 016"

(.406

mm),

intake

valves

at .018'

(

46

rnm.).

Us€

care in

makins this

adjustment

that

the

measu.enents

a.e

accurate

by

usins

feele.

sauges

and

making

sure

that

the taPPets

are restng

against

the

lowest surface

of the

"Electrical

Section."

.

Clean

the fuel

pump filt€.

screen

and check the

fuel line con

.

Remove and

clean the

venti

.

Sta.t tne

engine and

allow

it

to run until

thoroughly

waim, tnen

s€t tlle

throttle adjustins

screw,

so the

engine will

idle at 600

rpft.

.

Adjust the carburetot

low

spced

idle screw so

that the ensine

will

idle smootlly.

Should

the engine

fail to

perform

satisfactorily

and

the tlouble

is

definitely

t.aced

to the carburetor,

consult

your

'Jeep'

vehicle

dealer'

Carburetor

service

is

specialized

and should

not be undertaken

un

less the unit

is thoroughly

under'

VALVE LASH

OIL

The

oil

pump

is

plovided

with

a

Pressure

relief

valve

which con

trcls the oaximum

oil

plessu.e

at

The minimum

safe

pr€ssure

is

FIG. ?_TIMING

MARKS

33

FIG. 9 END

SECAIONAL

VIEW OF ENGINE

FIC IO SIDE SICTIONAL

VIEW

OF ENGINE

27-verve

Tarp4 Adjulring s.r.s

both

the

pump

and

the distdbutor.

See

Fie. L Should

it be

necessary

to

re;ve the

oil

PumP,

first re'

move

the distributor

cap

aod

carc'

fully not€ the

position of

the rotot

to ellow reinstallatioo

without

dis-

turbing

the ignition

timing

w}len th€

pump

is

reinstaued,

use care that

tlle

drivins

key on

the

end

of the

distdbutor

shaft

is

cor-

r€ctty

meshed

with the

slot

on the

end

of the

pump

shaft.

To make

thc installation

without

disturbing

the

ignition

timing,

the

PumP

ge€r

must be

correctlv

m$hed

with the

camshaft

gear

to allow

mesh of the

distributor

dlivirs

key a'd

slot

with the

distributor

rotor

in th€

original

position.

Should

it b€

necessary

to

reset

th€ igrition

timing,

ref€r

to

page 4l

The

rubber engine

moutltmgs,

which are

attached

to

the

frame

side

rail brackets

and

to the

sup"

Dort Dlate. Prev€nt

fore-and_aft

inotioi

of tne engine,

vet

allow

free

sidcwisc and

vertical

oscillation

ENCINE

MOUNTINGS

FLOATING

OlL

INTAKE

CRANKCASE

IIENTILATION

which

neut.alizes

vibration

at the

source.

KeeP the

mountings

tight.

A loos€ engine

may causc

vib.ation,

ctutch chatter

or

high fuel l€vel

in

Th€

floating

oil intake,

figure

9'

No. 24,

is attached

to the

crankcas€

with two

3cr€ws.

The

constructron

of th€

float and

screen

cause

tt to

remain o! top

ofthe

oil,

preventing

tnc circulation

of

water

and

dirt.

Once €ach

year

remove

the

float'

scre€n and

tube

and

clean

thor_

oughly with

a suitable

cleaning

fluid.

when replacing, bc

sure to

install a

new

gasket between t]te

noat support

and tle eneine

crank-

case.

A leak at this

point

will atlow

air

to

enter

tne

oil suction

line,

seriously

atrecting

th€ oil

prc$ure.

FIG. 1I

CRANKCASE

VENTILAfINO

SYSTEM

The crankcase

ventilation

sys-

tem

provides thorough.

Positive

ventilation

which

reduces

lorma-

tion

of

sludge

in the

crankcase

Anv vaDors

in

the crarkcase

are

..'iiea

-

nt"

the

manifold

and

bumed

or exhausted

This

syst€m

is shown

in

Fig. 11.

Note that

the

valve

is shol*n

out

of

Position

for

claritvi

it

is shown

in a

vertical

DosiEion

whereas

it is

instelled

;ith

its connectine

tubing

in a

horizontal

position.

Maint€nance

ofthe

radiator

con,

sists of keepins

the exterior of

the

radiator

core

clean,

the

interior

free from rust

and scale, and

the

radiator f.ee

from leaks.

The €x

terior of the radiator

core

should b€

cleaned

and

the radiator

insDected

for leaks each 1000

miles

11.600

kn.l

of normal

service oi

ttre

vehicle. If the

r€hicle

is

subjected

to

coDsiderable off-the-.oad

opera

tion, this

interval

should

be each

1000 miles or

30 days,

whichev€r

inte.val

occurs

fir€t.

Cleaning

should be

p€rformed

by

blowine out

with

air €tream or

water stream

di.ected from

the

rear of

the radiato..

A visual

in-

spection

is not

sumcient as

the

accumulatioD of

small

particles

of

foreign natedal

on

the cor€ sur

fac€s

can

rest.ict

cooling without

closing

the core openings. Examine

the radiator

carefully for leaks

b€-

fore

and

after cle€ning.

The

cooling system

should

be

nushed

twice a

year

and checked

for

leaks,

preferably

in

the spring

aDd fatl at the

time of chaosins

the antifreeze. Always

correct

any

cooling system

leaks before install

ing

antifreeze. A corrosion

inhibitor

should

b€ used ir the

cooling syg

coouNG

sYslEM

RADI ATOR

tem to

prevent

the formation

of

.ust

and scale. A

quality-brand

antifreeze wilt

contam

a corosion

inhibitor.

When

the antifreeze

is

draiDed

iD the sp ng,

a corrosion

inhibito.

should be

added with the

Be sure that

the oil

filter tube

cap

sasket

is in

good

condition.

Always

keep the cap

locked

se_

When

tuning

the engin€

o.

srind-

inc valves,

remove

the

control

valve and

clean

it thoroughly.

If

the valve

is blocked

with

carbon'

the

veDtilating

system

will

not

oD€rat€

and

should

the

valve

fail

6

s€at,

it will

be

impo$iblc

to

make the

ensi&

idle satisfactorilv

RADIATOR

PRESSURE

CAP

FAN

BELT

The

pressure

cap

hetF to

pre

vent loss of coolant by ewaporatlon.

It should never be

rcplaced bY

a

nonpressure tYPe.

The

Pressure

cap, which

maintairc

pressure in

the cooling system

up to 7

Psi

[0,492

kg-cm?] makes the

engine

more

emcient

bv

permitting

a

sliehtly

higher opetating

tempera-

ture. Vacuum in the

radiator

is

relieved bv a valve

in the

cap

which opds at

%

to

L

psi.

[0,0ss

a

u,u/u

kg-cm!t

vacuum,

To

remove

the

radiator

pressure

cap wheD the

ensine coolant

tem

peratuft

is high or boiling,

Place

a

cloth

over the

pressure

cap

and

turn

counterclockwise

about

Za

turn

until the

fi.st

(pressure

re-

lease) stop is

reached. KeeP

the

cap in this

position

until

all

Pres

sure

is released. Then,

Push

cap

down

and

turn still further until

caP

can be

removed.

To instalt

the

pressurc cap,

Place

it in

position

and tu.n

it clockwise

as far as

it will

eo.

The fan

aDd

gencrator

are

driven

by

a V-belt.

The drive

of the V-belt

is on

the sides

of the V. A

fan belt

that is

^too

tight

will

cause rapid

wear or

the

generator

and

water

pump

bearinss. If

the belt is

too

loose, it oay

slip

preventiDg

th€

water

puop

from

properly

cooling

the

engine or

the

geDerator

from

prope.ly

chargins

the

el€ctricat

circuit.

The fan

belt is

properly

adjusted

when it

can

be den€cted

%" Ir3

r.rr..l

with strons

thumb

pressure

midway

bet\'€en

the fan

and

senerato.

pulleys.

Check

this

adjustment

and inspect

the

con-

dition

of the

fan

belt at each

engme

lubrication p€riod.

It is

good

preventive

maintenance

to

replace

a badly frayed,

worn, or

cracked fan

belt

before it breaks

To .eplace

the fan

belt,

Ioosen

the attaching

bolts

at each genei-

ator brace-to-engine

mountirle

and

pivot

the

eenerato.

towa.d

the

engine

to

gaiD

slack needed

to in,

stall

the new

belt. Remove

the otd

belt.

Position

the new

belt

over

the fan

pultey,

over

the

crankshaft

pulley,

then

over the

generator

pulley.

Pull the

generato.

away

rrom

the

ensine

untiL

rhe belt

tension is fiim.

Ther

tighten

the

gelerator

mounting

bolts

and

check

the tension

as

indicated

above.

Reset

the

gene.ator

as

necessary

for coffect

belt

tension.

Finally,

if

a torque

wrcnch is

available,

toque

the

gererator

mounting

bolts 25

to

35 lb-ft.

[3,4

a 4,8 ks-m.l.

FIG, 12

RADIATOR

CAP

DRAINING

THE COOLING SYSTEM

Two drain cock

are

provided

to completely

drain the

coolins

systeD.

When &ainilg

the system,

to

guard

asainst

freezins damage.

use carc

that both

cocks are

opened. One drain

is located

at

the

bottom

of the

radiator,

the

other

in the cylinder

block under

the

generator. Remove the

radiator

cap

to break any

vacuum

which

might

prcvent

tho.oueh

dminioe.

COLD

WEATI{ER

PRECAUTIONS

A

thermostat,

figure 10, No.

5,

i$ located in the

water outlet

in the

top

of the cytinder

head to

Provide

quick

wsrming

and to

Prevent

overcooling

durins

normal vehicle

oDeration.

The valvc

starts to open

ai app.oxim'tely

163"F.

U3'C.l

and

is

fully ope'ed at

188"F.

[87'C.!.

Th€ temperature

at

which

the unit

operates

is set bY

the manufacturer

and

cannot be

alt€.cd.

Should sudden

heating

oc'

cu., the

the.mostat

should

b€

checked first as

failure of this

unit

will

n€arly block

the water

circula-

tion.

As a check,

reDove the ther'

mostat and

if overheating

is

climinated,

install a

n€w one.

In

regions

where

winter tempeia-

tures

can be eyoected

to droD be-

low

32"F.

[0"C.i

precautions

musr

be taken

to

prevent

freezing

of the

water in the

cooling

system. With-

out

the

protection

ofsumoent

anti-

freeze

sotutioD

added to

it, water

in

the

cooling system

witl freeze

and

expaDd,

possibly

buftting

the radi-

ator

and the cylinder

block.

It is important

that the

cooling

system

be made leak-pioof

before

installing

any antifteeze

solution.

Be

sure that hose

connections

a.e

tight

and that

the hoses

arc in

good

coDdition.

Should

there be

doubt regarding

the condition

of

either

radiator

hoses

or heater

hoses,

replace

them.

The

base for

the two most

com

mon

aDtifre€ze

solutions is

either

methyl

alcohol or

ethytene

glycol.

Do nor mix

these

two tFes

in rhe

cooiing system

as

a

hyd.ometer

will

not

grve

an

acclrrate reading

of the

Methyt

alcohol has

a lower

evaporation point

than

ethytene

glycol.

For

this reason,

when

alcohol

base

solution is

used it

should

b€ checked

at least

once

a

week.

Use

of

ethyleDe

glycol

(per-

manent) is

mandatory

when

a

high-temperatu.e

thermostat

has

Immediately

after

adding

anti-

freeze, run

the ensine

a few mo-

Dents

to thoroughly

mix

the sotu,

The

following

tables

show the

degree of

protection

obtained

from

adding

different

amounts of

anti-

THERMOSTAT

WATER PUMP

The water

pump

assembly

is a

centrilugal

imp€ller

tl,?e

of

lerge

capacity

to circlrlate

the water

in

the entire cooling

system.

The sealed

t}?e double-row

ball

bcari'g is intesral

with

thc ahaft

and b-pacl€d

at th€ time

of a.!€m-

bly

with a special

hieh meltine

point

$ease,

so requires

no lubri

The

pump

is designed

to

give

maximuo

service without

adjust-

ments.

Should

trouble develoP,

consult

your

'Jeep'

vehicle dealer'

ANTIFREEZE

CI{ART

38

LCNI

!.^

l

u,s.

ANTIFREEZE

PROTECTION

TO TEMPERATURE

SHOWN

McthvL

Alcohol

Ethyld. GIYco)

Cent.

Fahr'

Cmt.

Your 'Jeep'

vehicle

has

either

a

6'volt

or l2-volt

electrical

svstem.

As the

electrical

ci.cuits

reoain

the same

for

both

systems,

the

wiring

diaS,rsms

represent

both

6-volt and

12.volt wiring

Howevet,

bulbs

and

etectncal

components

a.e

not always

irterchangeable

and

a

reDlacement

irem of

the correct

volt;se

ratinc

must b€

Ycu'ed.

Use caution

arouncl

tIIe

nlgner

ETECIRICAT

SYSTEM

BATTERY

l-oltage

of the

l2-volt system

as

accidental

short circuits

a.e more

cspable

of darnsging

electrical

units.

Also,

arcs around

the l2_!blt

battery

are more

apt to ignite

any

gas

that

may be escaping

from

it

All elect

cal

c$ntact

Points

should

be checked

regularly

fot

secure

and corrosion-f.ee

connec_

tions.

The

batt€ry

is cithe.

a l2-volt'

50

hour capacity

or a

6 wolt,

105'

ampere

hour capacity.

It is located

under the

hood

on a

bracket

at-

tached

to the

right

hand side

rail

of the

frame

and

is held

ffrmly

in

the

bracket

with

a hold-down

frame,

and

two

studs and

wing

Keep

the two

wing

nuts

on tbe

hold-d;wn

f.ame snug

but

tighten

only

with

fing€r

Pressure,

never

with

wrench

or

Pliers.

This

Pre

caution

will

avoid

cr.cessive

pres"

sure

on the

battery

case

Keep the

battery

terminals

and

cables clean

and

tieht-

A light

coat

of vaseline

at

thc appiied

terminals

witl

ftduce

corrosion.

Occasional

cleansing

around

the

terminak

with

soda

solution

or ammonia

witl

Pre

went accumulation

of corosive

de-

posits.

Do

not

allow

either soda

or

ammonia

to

get

into the

battery

cells.

Keep

the cell caps

in

Place

and

sealed during

the

cleaniDe.

Chcck

the

batte.y oncc

a we€k

with

a hy&ometer

aid

at the ssme

time

check

the electrotyte

level in

each

celli

add distilled

wster

to

maintain

the solution

level

%'

tI

cm.l

above

the

Plates

Avoid

over

filline and

do

not fail to

re

Dlace

and

tighten the

ceil caPs

A hydrometer

reading

of r.260

indicates

that the

battery

is fully

charg€d.

Should

the

reading fall

below

1.225,

it will be

necessary

to

recharg€ the

battery

or else

use the

lights and

battery

spa.inglv

until

the battery

has had the

oP-

portunity to build

its€lf up agarn.

3

N5TR|]MIIIT !OLIIOT RTIULIIOR

BUNOi

LGI]I

I'IG.

13_WIRING

DIAGRAM

3743

0

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Jeep UNIVERSAL CJ-5 Owner's manual

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