Graco Inc. 801457EN-A User manual

Category
High-pressure cleaners
Type
User manual

This manual is also suitable for

This
manual
contains
IMPORTANT
WWARNINOS
and
INSTRUCTIONS
READ
AND
RETAIN FOR REFERENCE
MODEL
800-048
SERIES
"A"
2
150
psi
(150
bar) OPERATING PRESSURE
2250psi
(155 bar) MAXIMUM WORKING PRESSURE
~NJECTOQIM
HAZARD
penetrate the skin and cause extremely serious
Fluids under high pressure from spray or leaks can
injury, including the need for amputation.
NEVER
point the spray gun
at
anyone or any part of
the body.
NEVER
put hand or fingers over the spray tip.
NEVER
try to stop or deflect leaks with your hand or
body.
ALWAYS
have the tip guard in place when spraying.
MEDlCAU
TREATMENT
If
any fluid appears to penetrate your skin. get
EMERGENCY
MEDKAL
CARE
AB
ONCE.
DO
MOK
TREAT
AS
A
SIMPLE
GUT.
Tell the doctor exactly what fluid was injected. For
treatment instructions have your doctor call the
RIAJIORIAU
POISON
CENTER
NETWORK
($a2w~-666~
AVOID
COMPONENT
RUPTURE
Even after you shut off the gasoline engine, there is
high pressure in the pump, hose and gun until you
release
it
by triggering the gun.
So
before removing
the spray tip or servicing the unit,
always
shut off the
unit
and
trigger the gun to release pressure.
Be sure that all accessory items and system
NEVER
exceed the pressure rating of any component
components
will
withstand the pressure developed.
personal safety, as well as the function of the
in
system.
NEVER
alter or modify equipment -your
equipment, is at stake.
damaged conditions caused by traffic, sharp corners,
Before each use, check hose for weak, worn or
pinching or kinking. Tighten all fluid connections
securely before each use. Replace any damaged
hose.
Do
not use chemicals or agents which are not
compatible with Buna-N and
PVC
or neoprene cover
of hose.
Do
not leave a pressurized unit unattended. Shut off
the unit and release pressure before leaving.
FORE
Do
not spray flammable liquids.
Do
not operate the
engine where combustible fumes or dust may be
present.
GENERAL
NEVER
run the unit with the belt guard removed.
Keep clear of moving parts when the unit is running.
Observe detergent manufacturer's safety
precautions. Avoid getting detergent or other liquids
in your eyes. Follow the directions on the container
breathing fumes, etc. Always wear full goggles to
regarding contact with eyes, nose, and skin,
dislodged by the spray. If necessary, wear gloves or
protect your eyes from the spray
as
well
as
any debris
other protective clothing. If antidotes or treatment
are 'recommended, be prepared to use them.
DON'T
spray toxic chemicals such as insecticide or
weed killer.
This unit is supplied with an 8-foot power cord made
electric cord is connected to the unit chassis and
up
of
three AWG No.
10
wires. The green wire of the
motor frame. The other three wires are connected to
the starter switch.
Be sure to connect the power cord
to
the appropriate
approved plug to
fit
your requirements.
The starter switch has a built-in circuit breaker that
circuit
is
overloaded.
will shut off the power to the unit whenever the
Always check to be sure the switch
is
off andthat the
before plugging in the power cord.
hoses and electric cord are clear
of
moving parts
IMPORTANT
:
..
United States Government safety standards have been adopted under the Occupational Safety and Health Act.
These standards
-
particularly the General Standards, Part 1910. and the Construction Standards,Part 1926
-
Should be consulted
in
connection with your use of airless spray equipment.
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2
801-457
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INSTALLATION
Check Electrical Service and Plug
In
service is 1 phase 220
V,
60
HAC,
30
Amp. WitKthe
Before plugging
in
the sprayer, be sure the electrical
ON-OFF switch
in
the OFF position, plug the power
extension cord,
it
must have
3
wires of at least 10
supply cord into
a
grounded outlet. If you use an
gauge (2.5
mm2)
and should not be over
100
ft
(30.3
m) long.
Install
Wheels and Handle
Slide the axle through the frame. Slide the wheels
and washers onto the axle and secure
in
place
with
cotter pins provided. Install the hub caps. Attach the
handle
with
the four screws, flat washers, lock
washers and nuts provided.
l,nstall
Hose
and Spray
Gun
Connect the spray hose to the spray gun by inserting
the pin at the end of the hose into the quick
disconnect coupler on the gun. Connect the hose to
the fluid outlet
in
the same way.
Remove the tape from the cap on top of the pump.
-
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$.
Cleaning Accessories
'..
i
For spraying detergent or other cleaning solution, we
'
Accessories
and instruction manual 801-192 for
recommend
using
a
chemical injector kit. See
installation and operation.
For removing rust andold paint we recommend using
a water sandblaster.
See
Accessoriesand instruction
manual 801.190 for installation and operation.
Connect
To
Water Supply
CAUTION
plumbing code regarding cross-connection to
Before attaching to water supply. check local
water supply. Backflow check valve 801-133.
pump
in
a
direct supply system.
Do
not exceed
1
6OoF (7OOC) water temperature to
from your city water supply to the unit's
3/4
in.
Connect a hose with at least a 3/4 in. (19 mm)
ID
garden hose threaded inlet. The supply hose should
not be more than
50
ft.
(15
m) long.
NOTE:
For a direct supply system, your water
AT LEAST
5
GPM
(19
LITER/MINI.
source at the
unit
must
have a flow rate of
If your operating conditions are different from above.
assistance.
contact our Customer Service Department for
OPERATION
Startup
1..
and setup instructions.
Before starting, be sure to read the safety warnings
Turn on the water supply.
Trigger the gun to release any back pressure.
CAUTION
Never run the cleaning unit dry. Costlydamage
to the pump will result. Always be sure water
supplyiscompletelyturnedonbeforeoperating.
Inspect all connections for any leaks. Tighten if
necessary.
Cleaning
For cleaning technique, see the Chemical lniector
manual,
801
-1
92.
For abrasive cleaning, see the Water Sandblaster
manual,
801
-1
90.
Follow these precautions when removing and
installing nozzles:
1.
Shut off the cleaning unit and trigger thegun
to relieve pressure. Engage the trigger safety.
2.
Keep the nozzle a.nd the tube pointed away
from you and everyone else.
3.
Do
not put your hand over the tip
to
push the
keep your fingers away from the tip.
nozzle into place. Grasp
it
from the side and
4.
Do
not let anyone else touch the spray'valve
while you are cleaning nozzles.
5.
Be
sure the slip ring
is
pushedforward to lock
the nozzle in place beforetriggering thespray
gun.
.
Shutdown and
Care
Of
Unit
When unit is not
in
use, turn off water supply.
When shutting down for the day or weekend,
shut
off
unit, shut off water supply valve, and trigger gun to
release pressure. Wipe off the unit with
a
damp rag.
CAUTION
overheat if left running for over
10
minutes
spraying. for longer pump life. The pump
will
as often as necessary, at least daily.
Do
not operate
Check the filter screen
in
the water inlet connection
the unit with the inlet and filter screen removed.
DONOTtrytoadjusttheunloadervalveorchangethe
engine speed. Changing these settings may cause
excessive pressure, intermittent unloader operation,
wastedfuelandincreasedwearonpartsandwillvoid
the warranty.
PUMP MUST NOT BE RUN
DRY
and must bedrained
of
water prior to exposure to freezing temperatures.
Use and store the unit where it
will
not be subjected
to freezing temperatures.
If
water does freeze
in
the
solution may be pumped prior to cold weather
unit, thaw before trying to start. A
50%
anti-freeze
storage.
Use only spray tips that are matched to the unit to
avoid excessive cycling and wear of the unloader
valve. See Accessories.
temperature change may crack the ceramic
pour hot water on a frozen pump. A sudden
plungers.
Do
not pump caustic materials.
Before extended storage, flush the pump with light
oil.
Avoiddragginghoseoveranabrasivesurfacesuchas
cement. This causes excessive wear and shorter
hose life.
Clean the intake line strainer daily
Lubrication and Care
Fill pump crankcase to dot on oil gauge window with
25
02.
(0.75
liters)
of
crankcase
oil
(part
no.
801
-1
44)'
or equivalent SAE
40
weight hydraulic oil
with
antiwear and rust inhibitor additives. Change initial
fill after
50
hour running period. Change oil every
3
months or at
500
hour intervals.
WARMING
I
NEVER
alter adiustment or modifv the unloader
1
I
valve.
I
Altering or adjusting unloader willnot increase
performance of unit.
4
801-457
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PROBLEM
Low pressure.
Pump runs extremely rough,
uressure low.
Water leakage from under
the manifold.
Water in pump crankcase.
Frequent or premature
failure of the packing.
Strong surging at the inlet
3nd low pressure on the
jischarge side.
CAUSE
Worn nozzle.
Belt slippage.
Air leak
in
inlet plumbing.
Relief valve stuck, partially
valve seat worn.
plugged or improperly adjusted
Inlet suction strainer clogged
o
improper size.
Worn packing. Abrasives in
pumped fluid or severe cavita-
tion. Inadequate water supply.
Fouled or dim/ inlet or discharge
valves.
Worn inlet or discharge valves.
Leaky discharge hose.
Restricted inlet or air entering
the inlet plumbing.
Inlet restrictions and/or air
valve.
leaks. Stuck inlet or discharge
Leaking
H.P.
seals.
Worn packing.
condensing into water inside the
May
be caused by humid air
crankcase.
Scored plungers.
Over pressure to inlet manifold
Damaged or worn plungers.
Abrasive material
in
the fluid
being pumped.
Excessive pressure and/or tern
perature of fluid being pumped.
Over pressure of pumps.
Running pump dry.
Foreign particles
in
the inlet or
discharge valve, or worn inlet
and/or discharge valves.
SOLUTION
Replace
with
nozzle of proper size.
Tighten or replace; use correct belts and replac
both at same time.
Disassemble, reseal, and reassemble.
Clean. and adjust relief valve; check for worn
and dirty valve seats. Kit available.
Clean.
Use
adequate size. Check more
frequently.
Install proper filter. Check flow available to
pump.
Clean inlet and discharge valve assemblies.
Replace worn valves, valve seats and/or
discharge hose.
Proper size inlet plumbing; check for airtight
seal.
Clean out foreign material, replace worn valve:
Replace seals.
Install new packing.
Change oil at
3
month or
500
hour interval
using Graco Crankcase
Oil
(other approved
o
every month or
200
hours)
P.N.
801-144.
?eplace plungers.
?educe inlet pressure.
3eplace plungers.
nstall proper filtration on pump inlet plumbing
:heck pressures and fluid inlet temperature; bc
jure they are within specified range.
?educe pressure.
10
not run pump without water.
:heck for smooth lap surfaces on inlet and
iischarge valve seats. Discharge valve seats
md inlet valve seats may be lapped on
a
very
ine oil stone.
building circuit fuse blown.
Overload switch has opened.
Electric motor stops while
Power cord unplugged, or
spraying.
building circuit fuse blown.
Overload breaker.has opened.
Extension cord
Tip plugged.
Electric motor runs,
but
Displacement pump frozen or
no output.
gear train damage.
SOLUTION
Check, replace.
Unplug power cord'. decrease pressure
Check, replace.
~ ~~~
Unplug powei cord'. relieve pressure-allow
to cool.
DonZ use more than
loOftoi
8
ga extension cord.
Remove and clean
Thaw,
'This
unit
has an overload breaker built into the switch assembly. If
it
opens, unplug power cord and let sprayer
cool for
30
to
60
minutes. Also, try to correct the cause of overheating. Always use the lowest pressure setting
needed.
NOTE:
A
M11
and
M30
metric wrenches are
required for servicing pump.
PUMP
Photo
1
and
2.
Valves
1)
Remove the hex plug using an
M30
wrench.
2)
Examine O-ring under plug and replace
if
evidence of cuts or distortion.
3)
Remove valve assembly including, retainer.
spring, valve and valve seat from valve cavity.
MOTE:
Valve assembly may come apart during
removal.
41
Replace valve parts
with
service kit
(801-041)
including retainer, spring, valve, valve seat,
o-
ring and back-up-ring.
5)
Replace valve cover and torque to
75
ft-lb
(100
Nm).
Photo
3.
Pumping
Section
2)
Separate the manifold from the crankcase.
1)
Remove the four
{4)
hex nuts from the manifold.
NOTE:
It may be necessary to tap manifold
lightly with mallet to loosen.
I
1
Keep manifold properlyaligned with ceramic
plungers when removing to avoid damage to
either Dlunclers or seals.
~ ~~
3)
Carefully examine each plunger for any scoring
~~ ~
and replace if necessary.
6
801-457
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Plungers
Photo
4.
1)Using .an
M1
1
wrench,
remove the plunger retainer.
2)
Slide out the seal retainer with
oil wick and rubber barrier
3).
With
a
slight twisting motion,
slinger.
loosen the plunger from the
plunger rod and remove.
MOTE:
The stud may remain
with the retainer
when removed.
Disassemble and
screw stud into
plunger rod finger
tight.
4)
Replace O-ring and back up
5)
Saturate new oil wick by
6)
Install new plunger.
7)
Replace plunger retainer and
torque to
80
in-lb
(9
Nm).
8)
Install new oil wick in seal
retainer.
9)
Replace barrier slinger over
10) Lubricate each plunger sleeve
new plunger.
and carefully slide manifold
onto crankcase.
ring on plunger retainer.
soaking
in
oil.
Photo
5,
6,
7
and
8.
Seals or V-Packings
2)
Then remove the low pressure
1) Remove C-ring from seal case.
3)
Unscrew the seal case from
seal from the seal case.
the manifold using a special
key wrench (801
-044).
4)
Remove the high pressure
seal and examine. Before'
of new high-pressure seal and
replacing, lubricate
ID
and
OD
press into manifold.
NOTE:
A
socket and exten-
sion may be used to
pressure seal from
manifold.
5)
Install
new O-ring on seal case
6)
Screw seal case into manifold.
and lubricate OD of O-ring.
7)
Lubricate
ID
and
OD
of low
pressure seal and press into
8)
Replace C-ring holding
low
seal case.
pressure seal in place.
9)
Lubricate each plunger sleeve
onto crankcase.
and carefully slide manifold
NOTE:
When replacing
enreme caution should
manifold onto plungers,
be
exercised to avoid
damage to the seals.
10)
Torqueallfour(4)bltsto240ir-lb
(27
Nm).
NOTE:
Carefully study the
order of respective
parts and note
position of seals to
assure proper re-
assembly and opera-
tion.
801-457
7
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8
801-457
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Ref.
No.
50
Includes items
51-66, 79
&
81
fj/7g
62
63
52
64
65
66
56
59
PARTS
LIST
8
REF
PART
NO.
NO.
1
2 801-001
3 800-015
4 800-038
5 800-047
6 801-390
8
801-285
10 801-140
9 801-231
11
801-129
12 801-022
13 801-131
15 801.394
14 801-221
16 801-379
17 801-448
18 801-446
19 801-292
20 800-039
21 801-088
..
.’
22
801-298
23
801-302
.DESCRIPTION CITY
HOSE
&
GUN ASSY. see gun
detail for parts
1
PUMP, REPLACEMENT PARTS,
include items
77-90
ANTI VIBRATION FOOT
1
CHASSIS
2
ELECTRIC MOTOR ASSY
1
BRACKET. spacer
1
BELT. drive
2
1
LABEL. warning
2
LABEL. warning
LABEL, identification
1
.SCREW, machine, hex hd..
1
5/16-18
NC
x
1-3/4”
PLATE, serial
no.
4
1
CONNECTOR, crimp
HANDLE
2
1
SWITCH, starter
1
CORD. power
(8
ft
Ig)
STRAIN RELIEF
2
1
SCREW, self tapping.
RAIL STIFFNER ASSY
no.
6-32
NC
x
1/2 2
SCREW, machine, hex hd,
1
5/16-18
NCx
1-1/2” 4
5/16-18
NC
x
2-1/2”
SCREW, machine. hex hd.
1
SCREW, machine hex tid,
5/16-18
NCx
1”
4
..
.
REF
PART
NO.
NO.
24
25
26
27
28
30
29
31
32
33
34
35
36
37
38
40
39
41
42
43
44
45
46
47
48
49
50
52
51
53
54
55
56
58
57
60
59
61
62
63
64
66
65
67
68
69
70
72
71
74
73
75
76
77
78
79
80
81
801 -082
801-081
801 -023
801
-01 5
801
-1
39
801 -024
801 -025
801 -01 2
801 -367
801.241
801 -004
801-381
801-135
801
-1
37
801 -393
801 -235
801 -01
8
801 -364
801.365
801 -242
801 -243
801-130
801-132
801 -388
801-141
800-045
801 -41 7
801 -045
801 -046
801 -048
801 -047
801 -049
801 -050
801 -059
801 -046
801 -41 2
801-432
801 -062
801
-063
801-069
801 -068
801-071
801 -070
801 -090
801-105
801-106
801 -41 6
801-108
801-109
801-110
801
-1
11
801-112
801-113
801 -445
801 -450
800-044
801
-008
801 -465
DESCRIPTION
..6
x
30
mm
CREW. machine, hex hd.
SCREW, machine. hex hd,
S
r!A
MB
x
20
mm
WASHER.
flat.
1/4
WASHER. flat,
5/16
WASHER, lock,
1 /4
WASHER. lock,
5/16
NUT, hex.
5/16-18
NC
GROMMET
BUMPER
WHEEL
PULLEY, pump
HUE. pulley
PULLEY, motor
KEY, pulley
(2”
lg)
AXLE
WASHER,
flat
BRACKET, tensioner
BELTGUARD. baseplate
BELTGUARD. cover
HUBCAP
PIN, cotter
LABEL, warning
RIVET, drive
LABEL. warning
LABEL. warning
LABEL, starting
UNLOADER, includes
items
51-66. 79. 81
~~
CAGE, valve
SPRING
O-RING
BALL
SEAT
.
O-RING
n.m~G
UNLOADER SUE-ASSY.
HOUSSG
CYLINDER
O-RING
PLUG
HOUSING VALVE
SPRING
VALVE
SEAT
QTY
4
2
8
18
4
12
4
9
1
2
1
1
1
1
2
1
1
1
1
.
COUPLER, male quick disconnect.
1
NIPPLE, straight. brass,
1 /2
NPT
x
3-1 /2” 1
TEE, brass,
1/2
NPT
NIPPLE, hex, steel,
1/2
x
3/8
NPT
1
1
NIPPLE, hex, brass,
1/4
x
1/2
NPT
1
PLUG. hex. brass.
3/8
NPT
1
ADAPTER,
1
/2
hose
NUT. brass, adapter
SCREEN, inlet
HOSE, coupled,
1
/2
NPT
17-1 /2”
lg
LABEL. caution
O-RING
SLEEVE ASSY
LABEL
#6-32
NC
x
5/16
SCREW, button hd,
.~ ~
(MBE)
801-457
9
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Repair
Kit
801
-083
Includes items
A,
B.
C,
D,
E
and
F
/A)
))
L
@
PARTS LIST
k21
SERVICE
1.
Pressaccesspin(17)fromgunhandleandremove
access plate
(4)
by sliding plate towards back
of
fittings (12 and
15)
from
valve body
(10);
Valve
handle. Unscrew both short and long tubes with
body should now slide out
of
the handle through
the access plate opening.
2. Remove the cap (14). spring
(5)
and ball
(A)
from
the valve body
(10).
3.
Remove the snap ring
(e).
Then remove the valve
seat
(C)
and O-ring
(13).
4.
Remove the sleeve nut
(1 1)
and O-ring
(E)
with
the
actuator rod
(F).
5.
Afterinstallingthenewseat(C)andball(A),tapthe
seating between the ball and seat.
ball lightly
with
a
hammer to assure a proper
6.
Reassemble
in
reverse order. Use pipe sealant on
pipe threads on both short and long tubes(l2 and
151.
RE
N<
:F
PART
).
NO. DESCRIPTION
an
5
6
7
8
10
11
13
12
14
15
16
17
9
18
19
21
20
22
..
23
24
25
26
27
28
801
-007
800-043
801-250
SPRAY HOSE,
3/8"
ID,
50
ft.
SPRAY GUN,
(replaceable
parts
include
items
3-18)
HANDLE
ACCESS PLATE
SPRING
TRIGGER
.
NEEDLE
(1
5
m)
IQ
.
HEX
PLUG
.
DISCHARGE FllTlNG
.
VALVE BODY
.
GUIDE SLEEVE
.
TUBE
.
INLET FllTlNG
.
CAP
'801 -090
801 -073
'801 -01
0
"801 -01 1
801 -074
801-103
*a01
-091
.
.
SAFETY LATCH
.
ACCESS PIN
.
LATCH PIN
TUBE,
32"
COUPLER,
female quick disconnect
GRIP
HOUSING,
nozzle
COUPLER,
male
quick disconnect
TIP,
cleaning;
150
TIP,
blasting;
0"
GUARD,
tip
NIPPLE,
hex; 1/4
x
3/8"
npt;
brass
COUPLER,
male quick disconnect
1
1
1
1
1
1
1
1
1
1
1
1
1
Order parts by name
and
series
letter
of
the assembly
for
which
you
are
ordering.
*Recommended
"tool
box" spare
parts.
801.457
11
.
.
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_.
ACCESSORIES
(Must
be
purchased
separately)
CHECK VALVE
801
-1
33
CHEMICAL INJECTOR
KIT
800-102
Prevent back up of contaminated water into fresh For injecting harsh cleaning chemicals downstream
supply. Install upstream from pump.
from pump.
WATER SANDBLASTER 800-1
03
ADJUSTABLE SAND SAVER 801-031
For abrasive cleaning of stubborn dirt and paint. For adjusting sand flow.
TECHNICAL DATA
MOTOR:
5
hp, 1 phase
220 V.
60
Hz, 27.5 Amp
WATER PUMP: 2150 PSI (150 bar) max
pressure;
4
G,PM
(15 liter/min).
WETTED PARTS: Stainless Steel, Aluminum,
Phenolic Plastic, Ceramic
Liners, Nitrile Rubber.
WEIGHT: 195 Ibs
(88
kg)
OVERALL DIMENSION: Length:
38
in
(965 mm)
Width: 27
in
(686 mm)
Height: 26
in
(660
mm)
MAX. WATER TEMPERATURE: 1 6OoF
(70°C)
INLET HOSE CONNECTION: 3/4-in. garden hose
(f)
THE
GRACO
WARRANTY
GracoInc.warrantsallequipmentmanufacturedbyitandbear~ngitsnametobefreeframdefectsin
material and workmanship under normal use and service. This warranty extends to the original
purchaserforaperiodof12monthsfromthedateofpurchaseandappliesanlywhentheequipment
is installed and operated in accordance with
writtenfactaryrecommendations.This
warrantydoes
abrasion. corrosion. negligence, accident. substitution of non-Graco parts. faulty installation
or
not
cover damage
or
wear which.
in
the reasonable judgment
of
Graco. arises
from
misuse.
tampering.
This warranty is conditioned upon the prepaid return of the equipment clatmed
to
be defective for
examination by Graco toverify the claimeddefect. If the claimed defect is verified. Graco will repair
or
replace free
of
charge. any defective parts. The equipment will be returned
IO
the original
purchaser transportation prepaid. If inspection
of
the equipment does
not
disclose any defect
in
workmanship
or
material, repairs will be madeata reasonablechargeandreturntranspartation will
be charged.
..............
PURPOSE AND
OF
ANY NON-CONTR
EOUIPMENT NOT COVERED
BY
GRACO WARRANTY. Accessories
or
components
of
equipment
sold bv Graco that
are
not
manufactured byGraco(such aselectric motors. switches. hose.etc.)are
subject
to
the warranty.
if
any.
of
their manufacturer. Graco will provide purchaser wcth reasonable
assistance in making such
claims.
Subsidiary and Affiliate Companies:
Canada: England; Switzerland;
France;
Germany;
Hong
Kong: Japan
Factory
Branches:
Atlanta. Pallas, Detroit,
Lo6
Angeles.
West
Caldweli
1N.J.l
GRACO
INC.
P.Q.
BOX
1441
MORIRIEAPQLIS,
MRI
55440-1444
PRINTED
IN
U.S.A.
801.457
Rev A
7/83
45-10051A
.
.~
.
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Graco Inc. 801457EN-A User manual

Category
High-pressure cleaners
Type
User manual
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