Graco 230-963 User manual

Category
Paint Sprayer
Type
User manual

This manual is also suitable for

INSTRUCTIONS/PARTS LIST
e
507-671
ORACO
Rev
D
SUPERSEDES
A
and
PCN
B
This
manual contains
IMPORTANT
WARNINGS
and
INSTRUCTIONS
READ
AND
RETAIN
FOR
REFERENCE
ULTRA@
400
I
Hazard
of
Using Fluids Containing Halogenated Hydrocarbons
such solvents in this
eauimnent. Such use could result in
a
serious chemical reaction, with the possibility
of
explo-
Never use l,l,l-tnchloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing
I
.sion, which could cause death, serious bodily injury and/or substantial property damage.
Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc
parts.
INDEX
WARNINGS
..................................................
2
.
3
SETUP
.............................................................
5
INTRODUCTION
................................................
4
OPERATION;
.................................................
6. 7
SHUTDOWN
8
CARE
.........................................
7
TROUBLESHOOTING GUIDE
FLUSHING GUIDELINES
8
.....................................
Motor Won't Operate
...................................
9
-
11
Low output
..................................................
12
No
Output
...............................................
12. 13
Excessive Pressure Fluctuations
.........................
13
Motor
Is
Hot and Runs Intermittently
..................
13
Electrical Short
......................................
:
.......
14
Spin Test
.....................................................
15
Bridge Test
16
General Repair Notes
...................................... 17
Power Supply Cord Replacement
18
List of Tools
17
Filter Replacement
.........................................
18
ON/OFF Switch Replacement
...........................
19
...................................................
REPAIR SECTION
..................................................
.......................
Microswitch Replacement
................................
19
Bridge Rectifier Replacement
............................
20
Choke Replacement
........................................
21
Varistor Replacement
......................................
21
Pressure Control Replacement
23
Circuit Board Replacement
22
Stall Pressure Calibration
.................................
24
Connecting Rod. Drive Housing or Crankshaft
Replacement
............................................
25. 26
Motor Brush Replacement
................................
27
Motor Capacitor Replacement
...........................
28
Motor Replacement
...................................
29.
30
Sprayer
..................................................
32.
33
Pressure Control
.......................................
34.
35
TECHNICAL DATA Back Cover
How To Order Replacement Parts
33
NOTE:
See manual
307.793.
supplied. for the
displacement pump repair instructions and
parts list
.
...............................
..........................
PARTS LISTS
8
DRAWINGS
......................
...............................
307-671
1
HIGH
PRESSURE SPRAY CAN CAUSE EXTREMELY SERIOUS INJURY.
FOR
PROFESSIONAL
USE
ONLY.
OBSERVE
ALL
WARNINGS.
Read
and
understand
all
instruction
manuals,
tags,
and
warnings
before
operating
equipment.
FLUID INJECTION
HAZARD
General Safety
This equipment generates very high fluid pressure. Spray from
the gun, leaks or ruptured components can inject fluid
through your skin and into your body and cause extremely
serious bodily injury, including the need for amputation. Also,
fluid injected or splashed into the eyes or onto the skin can
cause serious damage.
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
“blow back” paint; this is NOT an air spray system.
spraying.
ALWAYS have the
tip
guard in place on the spray gun when
ALWAYS follow the Pressure Relief Procedure. below.
before cleaning or removing the spray tip or servicing any
system equipment.
~.
~~ ~
NEVER try to.stop or deflect leaks
with
your hand or body.
before each use.
Be sure equipment safety devices are operating properly
Medical Alert
-
Airless
Spray
Wounds
If any fluid appears to penetrate your skin, get
EMERGENCY
MEDICAL CARE AT ONCE.
DO
NOT TREAT AS A
SIMPLE CUT.
Tell the doctor exactly what fluid was injected.
jury.
It
Is
important
to
treat the
injury surgically as
soon
Note
to
Physician: injection
in
the skin is a traumatic
in-
as possible.
Do
not delay treatment to research toxiciry.
Toxicity
is
a
concern
with
some exotic coatings injected
directly into the blood stream. Consultation with a plastic
surgeon or reconstructive hand surgeon may be advisable.
Spray Gun Safety
Devices
Be sure
all
gun safety devices are operating properly before
each use. Do not remove or
modify
any part of the gun; this
can cause
a
malfunction and result
in
serious bodily injury.
Whenever you stop spraying, even for a moment, always set
Safety
Latch
the gun safety latch in the closed or “safe” position, making
the gun inoperative. Failure to set the safety latch can result
in
accidental triggering of the gun.
The gun diffuser breaks up spray and reduces the risk of fluid
Diffuser
injection when the tip is not installed. Check diffuser operation
regularly. Follow the Pressure Relief Procedure, below,
then remove the spray tip. Aim the gun into
a
metal
pail,
holding the gun firmly to the pail. Using the lowest possible
to an irregular stream, replace
the diffuser immediately.
pressure, trigger the gun. If the fluid emitted is not diffused
in-
Tip
Guard
ALWAYS have the tip guard in place on the spray gun while
spraying. The tip guard alerts you to the fluid injection hazard
and helps reduce, but does not prevent, the risk of accidental
-
ly placing your fingers or any part of your body close to the
spray tip.
Spray
Tip
Safety
the spray tip clogs while spraying, engage the gun safety latch
Use extreme caution when cleaning or changing spray tips.
If
immediately. ALWAYS follow the Pressure Relief Pro
-
cedure and then remove the spray tip to clean
it.
fully relieved
and the gun safety
latch is engaged.
NEVER wipe
off
build
-
up around the spray tip
until
pressure is
Pressure
Relief
Procedure
To reduce the risk of serious bodily injury, including fluid injection, injury from splashing fluid or solvent
in
the eyes or on the
skin, moving parts or electric shock, always follow this procedure whenever you shut
off
the sprayer, when checking or servic
-
ing any part of the spray system, when installing, cleaning or changing spray tips, and whenever you stop spraying.
(1
1
Engage
the gun safety latch.
(21
Turn the ON/OFF switch to OFF.
(31
Unplug the power supply cord.
(4)
Disengage the gun safety latch.
gun safety latch.
17)
Open the drain valve, having a container ready to catch the drainage.
181
Leave the drain valve open until
(51
Hold a metal pan
of
the gun firmly to the side of a grounded metal pail, and trigger the gun to relieve pressure.
(61
Engage the
you are ready to spray again.
steps above, VERY SLOWLY loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually, then
loosen
If
you
suspect that the spray
tip
or hose
is
completely clogged, or that pressure has not been
fully
relieved after following the
completely. Now clear the
tip
or hose.
I
~~
ENGAGE SAFETY
TURN
SWITCH
TO OFF
IATCH
UNPLUG
CORD
DISENGAGE SAFETX
ANDTRIGGERQUN:
ENGAGE SAFETY AGAIN
OPEN DRAIN VALVE
I
2
307-671
EQUIPMENT MISUSE HAZARD
General Safety
Any misuse of the spray equipment or accessories, such as
overpressurizing, modifying parts, using incompatible
chemicals and fluids, or using
worn or damaged parts, can
cause them to rupture and result
in
fluid injection or other
serious bodily injury, fire, explosion or property damage.
could cause
it
to malfunction.
NEVER alter or modify any part of this equipment; doing
so
CHECK
all
spray equipment regularly and repair or replace
worn or damaged parts immediately.
Read and follow the fluid and solvent manufacturer's literature
regarding the use of protective clothing and equipment.
,
System Pressure
This sprayer can develop
192
bar
(2750
psi) MAXIMUM
WORKING
PRESSURE.
Be sure that all spray equipment and
accessories are rated to withstand the maximum working
pressure
of
this sprayer. DO NOT exceed the maximum work
-
ing pressure of any component or accessory used in the
system.
Fluid Compatibility
BE SURE that
a11 fluids and solvents used are chemically com
-
patible with the wetted parts shown
in
the Technical Data on
the back cover.
Always read the fluid and solvent manufac
-
turer's literature before using them in this sprayer.
HOSE SAFETY
High pressure fluid
in
the hoses can be very dangerous.' If the
hose develops
a
leak, split or rupture due to any kind of wear,
damage or misuse, the high pressure spray emitted from
it
can
cause a fluid injection injury or other serious bodily injury or
property damage.
ALL FLUID HOSES MUST HAVE SPRING GUARDS ON
kinks or bends at or close to the coupling which can result in
BOTH
ENDS1 The spring guards help protect the hose from
hose rupture.
TIGHTEN all fluid
connections.securely before each use. High
pressure fluid can dislodge
a
loose coupling or allow high
pressure spray to be emitted from the coupling.
tire hose for cuts, leaks, abrasion, bulging cover, or damage or
NEVER use a damaged hose. Before each use, check the
en-
movement of the hose couplings.
If
any of these conditions
exist, replace the hose immediately.
DO
NOT try to recouple
high pressure hose or mend
it
with tape or any other device.
A
repaired hose cannot contain the high pressure fluid.
HANDLE AND ROUTE HOSES CAREFULLY. Do
not
pull on
hoses to
move equipment.
Do
not use fluids or solvents which
are not
comoatible with the inner tube and cover of the hose.
DO NOT expose Graco hose to temperatures above
820C
1180°F) or below -4OOC (-4OOF).
Hose
Grounding
Continuity
Proper hose grounding continuity is essential to maintaining a
grounded spray system. Check the electrical resistance of your
air and
fluid
hoses at least once
a
week. If your hose does not
have a tag on
it
which specifies the maximum electrical
resistance, contact the hose supplier ormanufacturer for the
maximum resistance limits. Use a resistance meter in the ap
-
propriate range for your hose to check the resistance. If the
resistance exceeds the
recommended limits, replace
it
im-
your system hazardous. Also read FIRE
OR
EXPLOSION
mediately. An ungrounded or poorly grounded hose can make
HAZARD.
FIRE
OR
EXPLOSION HAZARD
Static electricity is created by the flow of fluid through the
pump and hose.
If
every pan of the spray equipment is not
properly grounded, sparking may occur, and the system may
become hazardous. Sparking
may also occur when plugging
in or unplugging a power supply cord. Sparks can ignite fumes
from solvents and the fluid being sprayed, dust particles and
other flammable substances. whether you are spraying in
-
doors or outdoors, and can cause a fire or explosion and
serious bodily injury and property damage. Always plug the
sprayer into an outlet at least
6
m
I20
feet) away from the
sprayer and the spray area. Do not plug in or unplug any
power supply cords in the spray area when there is any chance
of igniting fumes still in the air.
If you experience any static sparking or even a slight shock
while using this equipment, STOP SPRAYING IMMEDI
-
ATELY. Check the entire system for proper grounding. Do not
use the system again until the problem has been identified and
corrected.
Grounding
To reduce the risk of static sparking, ground the sprayer and
all other spray equipment used or located
in
the spray area.
structions for your area and type of equipment, BE SURE to
CHECK your local electrical code for detailed grounding
in-
ground all of this spray equipment:
1.
2.
3.
4.
5.
6.
7.
Sprayer: plug the power supply cord, or extension cord,
each equipped with an undamaged three
-
prong plug, into
a properly grounded outlet. Do not use an adapter. All ex
-
tension cords must have three wires and be rated for
15
amps.
Fluid
hoses: use only grounded hoses with a maximum of
500
feet
1150
m) combined hose length to ensure ground
-
ing continuity. Refer to Hose Grounding Continuity.
Spray
gun:
obtain grounding through connection to a
properly grounded fluid hose and sprayer.
Fluid
supply container: according to local code.
Object being
Sprayed: according to local code.
All solvent pails used when flushing, according to local
code. Use only metalpails, which are conductive. Do not
place the pail on a non
-
conductive surface, such aspaper
or cardboard, which interrupts the grounding continuity.
To
maintain grounding continuity when flushing orreliev-
ingpressure, always hold
a
metal part of the gun firmly to
the side of a grounded metal pail, then trigger the gun.
Flushing Safety
Reduce the risk of fluid injection injury, static sparking, or
splashing by following the specific flushing procedure given
on page
0
of this manual. Follow the Pressure Relief Pro
-
cedure on page
2,
and remove the spray
tip
before flushing.
and use the
lowest possible fluid pressure
during flushing.
Hold a metal
part of the gun
firmly to the
side of
a metal pail
MOVING PARTS HAZARD
Moving parts can pinch or amputate your fingers or other
body parts. KEEP CLEAR of moving parts when starting or
operating the sprayer. Unplug the sprayer, and follow the
Pressure Relief Procedure on page
2
to prevent
it
from star
-
ting accidentally.
IMPORTANT
ticularly the General Standards, Part
1910,
and the Construction Standards, Pan 1926-should be consulted.
United States Government safety standards
have been adopted under the Occupational Safety and Health Act. These
standards-par-
307
-
671
3
Your new Ultra
"
400
Sprayer functions and operates
differently than other airless paint sprayers. This section
will
help
you
become familiar with the sprayer before
operating
it.
Pressure Control
The pressure control includes an
ONlOFF
switch for the
sprayer, the pressure adjusting control knob, and
a
pressure sensing device.
Its
function is to control the
motor speed
so
that the sprayer maintains constant
fluid pressure
at
the pump outlet.
The DC motor has sealed bearings and replaceable
Motor
motor brushes.
Its
function
is
to drive the displacement
volume
at
the selected pressure.
pump
at
the rate needed to supply sufficient .paint
Working together, the pressure control and motor
cause
the pump to cycle whenever there is fluid or
pressure demand. When the pump is cycling, the motor
sounds like an automobile starter cranking. When the
pump is not cycling, the motor
may hum intermittently
shut itself off. However, there will
still
be power to the
until the fluid pressure stabilizes, then the motor will
sprayer and
it
will stay pressurized and ready to use
unless you manually shut
it
off
and relieve pressure.
Because the motor
is
DC,
it
is less sensitive to low
voltage or voltage fluctuations than an AC motor, and
an extension cord of up to
45
m
(150
feet) can be used.
The sealed drive assembly transfers power from the
DC
Drive Assembly
motor to the displacement pump.
4
307-671
Displacement Pump
The positive displacement, volume
-
balanced pump pro
-
vides equal fluid delivery'on both the up and down
pump strokes. The pump has
a
wet
-
cup which, when
filled with Graco Throat Seal Liquid, helps prevent
damage to the throat packings and piston rod.
Fluid Filter
The fluid filter provides the final paint straining to help
avoid clogs in the hose and spray tip. The filter includes
a
reusable element and
a
drain valve for relieving fluid
pressure when shutting
off
the sprayer.
Two grounded, nylon spray hoses with spring guards
Hoses
are included with the sprayer. The
15.2
m (50foot) hose
hose allows flexible gun movement. The nylon hose
has
a
114
in. ID. The
0.9
m
(3
foot),
3/16
in. ID whip
material acts
as a
pulsation dampener to absorb
pressure fluctuations.
Spray Gun
&
Reverse-A-CleanTM IV DripLessTM Tip
The spray gun includes
a
trigger safety latch which
Guard
prevents accidental triggering when
it
is engaged (see
the WARNING on page
2)
and
a
trigger guard which
prevents accidental triggering if the gun is dropped. The
Reverse
-
A
-
Clean
IV
SwitchTipTM uses high pressure
fluid to remove clogs from the spray tip without remov
-
ing
it
from the gun.
It
includes
a
safety tip guard which
helps reduce the risk of fluid injection injury.
OPERATION
WARNING
Pressure Relief Procedure
To reduce the risk of serious bodily injury, in
-
cluding fluid injection, injury from splashing fluid
or solvent in the eyes or on the skin, moving parts
whenever you shut
off
the sprayer, when check-
or electric shock, always follow this procedure
when installing, cleaning or changing spray tips,
ing or servicing any part of the spray system,
and whenever you stop spraying.
1.
Engage the gun safety latch.
2.
Turn the ON/OFF switch to OFF.
3.
Unplug the power supply cord.
4.
Disengage the gun safety latch.
5.
Hold
a
metal part of the gun firmly to the
side of
a
grounded metal pail, and trigger
the gun to relieve pressure.
6.
Engage the gun safety latch.
7.
Open the filter drain valve, having
a
con-
8.
Leave the drain valve open until you are
tainer ready to catch the drainage.
ready to operate the sprayer again.
a.
Close the filter drain valve.
Prime the Sprayer
with
Paint.
b. Don't install the spray tip
yet1
c. Put the suction tube into the paint container.
d. Turn the pressure adjusting knob all the way
counterclockwise to the lowest pressure set
-
ting.
e.
Disengage the gun safety latch.
f. Hold
a
metal part of the gun firmly against and
aimed into
a
metal waste container.. See Fig
4.
ON/OFF switch to ON, and slowly increase the
Squeeze the trigger and hold
it
open, turn the
the gun triggered until
all
air is forced out of the
pressure setting until the sprayer starts. Keep
system and the paint flows freely from the gun.
Release the trigger and engage the safety.
NOTE: If the pump
is
hard to prime, place
a
con-
tainer under the drain valve and open the
drain valve. When fluid comes from the
valve, close
it.
Then disengage the gun
safety and proceed
as
in Step If, above.
4.
Check
all
fluid connections for leaks. If any are
found, follow the Pressure Relief Procedure
Warning, above, before tightening connec
-
tions.
2.
Install the Spray Tip and
Tip
Guard
a.
Be
sure the gun safety latch
is
engaged.
b. Install the spray tip. If using the RAC
IV,
refer
to manual
307-848,
supplied with the gun, for
installation instructions.
Fig
4
3.
Adjusting the Spray Pattern
a.
Increase the pressure adjusting knob setting
just until spray from the gun
is
completely
fogging, and to decrease tip wear and extend
atomized.
To
avoid excessive overspray and
the life of the sprayer, always use the lowest
possible pressure needed to get the desired
results.
b. If more coverage is needed, use
a
larger tip
rather than increasing the pressure.
c. Test the spray pattern.
To
adjust the direction
of the spray pattern, engage the gun safety and
loosen the retaining nut. Position the tip guard
for
a
vertical pattern. Then tighten the retaining
horizontally for
a
horizontal pattern or vertically
nut.
6
307-671
4.
Cleaning a Clogged Tip
WARNING
To avoid
a
fluid injection injury,
DO
NOT hold
your hand, body, or
a
rag in front of the spray tip
when cleaning or checking
a
clogged tip. Always
point the gun toward
.the ground or into
a
waste
container when checking to see if the
tup
I
S
clear.
DO
NOT try to
"
blow back
"
paint; this is NOT an
air spray sprayer.
a. Clean the front of the tip frequently during the
day's operation.
First,
follow the Pressure
Relief Procedure Warning on page
6.
Then
use
a
solvent-soaked brush to keep fluid from
building up and clogging the tip.
b. If the spray tip does clog, release the gun trig-
ger, engage the gun safety, and rotate the
RAC
IV
handle
180°.
See Fig
5.
c. Disengage the gun safety and trigger the gun
into
a
waste container. Engage the gun safety
again.
d., Return the handle to the original position,
disengage the gun safety, and resume spray-
ing.
e.
if
the tip is stili dogged,
engage the gun safety,
shutoff and unplug the sprayer, and open the
drain valve to relieve pressure. Clean the spray
tip as shown in manual
307
-
848,
supplied with
the RAC
IV
DripLess tip guard.
SHUTDOWN
AND
CARE
1.
Check the packing nutlwet-cup daily. First
follow the Pressure Relief Procedure Warning
on page
6.
Be sure the wet
-
cup is
113
full of TSL
at
all
times to help prevent fluid buildup on the piston
rod and premature wear of packings. The packing
nut should be tight enough to stop leakage, but no
tighter. Overtightening may cause binding and
ex
-
cessive packing wear.
Use
a
screwdriver and light
hammer to adjust the nut. See Fig
6.
2.
Clean the fluid filter often and whenever the
sprayer is stored. First follow the Pressure Relief
Procedure Warning on page
6.
Refer to manual
307
-
273,
supplied, for the cleaning procedure.
3.
Lubricate the bearing housing after every
100
hours of operation. Fill the cavity
of
the bearing
housing with SAE
10
nondetergent oil.
4.
Flush the sprayer at the end
of
each work day
and fill
it
with mineral spirits to help prevent pump
corrosion and freezing.
See
"
Flushing Guidelines
"
on page
0.
chance of fluid freezing in the pump or pressure
type of paint in the sprayer when it is not in use.
control in cold weather, never leave water or any
result in loss of pressure or stalling.
Freezing can seriously damage the sprayer and
TRIGGER SAFETY
ENGAGETHE
LATCH
BY
TURNING
LATCH
PERPENDICUI
TO
QUN
BODY
AR
Fig
5
Fig
6
6.
Coil the hose and hang
it
on the hose rack when
storing
it,
even for overnight, to help protect the
hose from kinking, abrasion, coupling damage,
etc.
rWARNiNG1
Refer to the warning section
HOSE
SAFETY on
page
3
for information on the hazard of using
damaged hoses.
5.
For vary short shutoff periods, leave the suction
tube in the paint, follow the Pressure Relief Pro-
cedure Warning on page
6,
and clean the spray
tip.
307-671
7
TROUBLESHOOTING GUIDE
WARNING
To reduce the risk of serious .bodilv
injury.
in-
Pressure
Relief
Procedure
6.
Engage the gun safety latch.
cluding fluid injection, splashing fluid in ihe eyes
7.
Ooen the drain valve. havina a container readv
~~
or on the skin, or injury from moving parts or elec
-
to
catch the drainage.
tric shock, always follow this procedure whenever
you shut
off
the sprayer, when checkingor servic-
8.
Leave the drain valve open until you are ready
ing
any part of the spray system, when Installing,
to spray again.
you stop spraying.
cleaning or changing spray tips, and whenever
pletely clogged, or thatpressure has not been fully
If
you suspect that the spray
tip
or hose
is
com-
1.
Engage the gun safety latch.
relieved after following the steps above, VERY
2.
Turn
the
ON/OFF switch to
OFF.
SLOWLY loosen the
tip
guard retaining nut or
hose end
couolina and relieve oressure araduallv.
I
3.
Unplug
the
power supply cord. then loosen comphely. Nowciearthe tip or hosb:
4.
Disengage the gun safety latch.
5.
Hold a metal part of the gun firmly to the side of
a grounded metal pail,
and3rigger the gun to
relieve pressure.
I~~~~
TYPE
OF
PROBLEM
MOTOR
WONT
OPERATE
Basic Fluid Pressure Problems
Basic Mechanical Problems
Basic Electrical Problems
WHAT TO CHECK
If
check is
OK,
go
to next check
1.
Check the pressure control knob sening.
The motor
will
not run if
it
is at the
minimum sening (fully
counterclockwise).
2.
Check for
a
clogged spray tip. Refer
to
your separate gun or tip instruction
manual.
-
-
-
-
i
1
it,
due
to
exposure
to low temperatures, by placing
it
in
a
'Thaw the sprayer if water or water
-
based paint has frozen in
warm area.
Do
not try to start the sprayer until
it
has thawed
completely. If the bourdon tube was not damaged by the
freezing, the pump should operate. If paint hardened (dried1 in
the sprayer. the pump packings and/or bare pressure control
mum be replaced.
See
page
23
or manual
307-793.
1.
Check for frozen or hardened paint
in
the pump (19) andlor pressure control
bourdon tube. Using
a
screwdriver,
carefully try to rotate fan
at
back of
motor.
See
page
15.
2.
Check displacement pump connecting
rod pin
(m).
It
must be completely
pushed into connecting rod
(91 and
spring retainer
(21)
should be firmly in
groove of connecting rod. See page
26.
3.
Check for motor damage. Remove drive
to
rotate fan bv hand.
housing assembly
(6).
See page
25.
Try
1.
Check electrical supply with volt meter.
Meter should read 190-250
Volts.
2.
Check extension cord for visible
damage. Use
a
volt meter or
test
lamp
m
extension cord outlet
to
check.
3. Check sprayer power supply cord
(311)
for visible damage such
as
broken in
-
sulation or wires.
4.
Check motor brush leads, terminals and
brush length. Brush length should be
14
mm minimum. See
DaQe
28.
WHAT.TO
DO
If
check is
NOT
OK
refer to this column
1. Slowly increase the pressure setting to
see
if
the motor starts.
2.
Relieve pressure, refer
to
your separate
gun or tip instruction manual for tip
cleaning.
1.
Thaw'.
Plug
in
sprayer
and
turn
on.
Slowly increase pressure setting
to
see
if
motor starts. If
it
doesn't, replace the
displacement pump packings
(see
manual
307
-
793)
andlor replace the bare
23.
pressure control box (3011'. See page
2.
Push pin into place and secure with the
spring retainer.
3.
Replace motor I1
1
if
fan won't turn.
1.
Reset building circuit breaker; replace
building fuse. Try another electrical
outlet.
2.
Replace extension cord.
3. Replace power supply cord.
See page 18.
4.
lighten terminal screws; replace
brushes. See page
27.
'When replacing the bare pressure control box (item
301).
trical hardware and reinstall these parts in the bare box.
remove the ONlOFF switch, bridge, circuit board and elec
-
Troubleshooting continued on next page.
307-671
9
TYPE
OF
PROBLEM
MOTOR
WON7
OPERATE
Diagnosing circuit board
in
-
dicator lamps. The normal
condition is red lamp on,
clear lamp
on
when board
is
telling
pump
to
run.
cedure
Warning. Remove
Follow
Pressure Relief
Pro-
gun from hose. Remove
pressure control cover and
check for faulty condition of
circuit board lamps.
Condition A both lamps on;
pump won't operate and
motor is not running
Condition B
Both lamps
off
~~~~~~
WHAT TO CHECK
If
check
Is
OK,
go
to
next check
I.
Check leads from bridge 1308) to motor
to be sure they are securely fastened
and properly mated.
1.
Check G1 and G2 connections between
circuit board
(3401
and bridge
1308)
for
damage or loose terminals.
3.
Check for loose motor brush lead con
-
nections and terminals. See page 27.
4.
Check brush length which should be 14
mm minimum.
See
page 27.
at the same rate on both sides of the
NOTE also
that
the brushes do not wear
motor.
5.
Check for broken or misaligned motor
brush springs. Rolled portion of spring
must rest squarely on top of brush. See
page
27.
6.
Check motor brus'hes for binding
in
brush holders. See page
27.
7.
Check motor armature commutator for
burn spots, gouges and axtreme
rouohness. Remove motor cover and
brush inspection plates to check.
See
page
27.
6.
Check motor armature for shorts using
armature tester (growler) or perform spin
test.
See
page 15.
9.
Check bridge
1308)
by substituting with
a good bridge or performing bridge test.
See
page 16.
CAUTION: D
O
not perform this check
until
armature is determined to be good.
A bad armature will immediately burn
out
a
good bridge.
1. Check electrical supply. Connect
voltmeter to electrical outlet. Meter
should read
190.250 Volts.
2.
Check power supply to circuit board
with sprayer turned ON. Measure
voltage at
TPl and TP2. Meter should
read 190
-
250
Volts.
See page
7.2.
3.
Check a11 terminals and wires fog
damage or loose fit.
4.
Check motor thermal cutout switch.
Unplug sprayer. Allow motor to cool.
at
TP9 to TPlO. Use ohmmeter to check
Disconnect motor thermal switch leads
continuity. Switch should
be closed
when motor is cool.
WHAT TO DO
If
check is
NOT
OK
refer to this column
1.
Replace any loose terminals and crimp
to leads. Be sure male terminal blades
are straight and firmly connected to
mating part.
2.
Clean circuit board male terminals.
Replace loose or damaged terminals.
Securely reconnect leads.
3.
Tighten terminal screws. Replace
brushes if leads are damaged.
See page 27.
4.
Replace brushes. See page 27.
5. Replace spring
if
broken. Realign spring
with brush. See page
27.
6.
Clean brush holders. Remove carbon
with small cleaning brush. Align brush
free vertical brush movement.
lead with slot in brush holder to assure
7. Remove motor and have motor shop
resurface commutator if possible. See
page 27.
8.
Replace motor. See page
29.
9.
Replace bridge. See page
20.
1. Reset circuit breaker or replace outlet
fuse.
If
circuit breaker or fuse continues
to
open, see
"
Electrical Short
"
, page 14.
2. Unplug sprayer. Check continuity of
TPl to TPZ, and TP2 to TP3.
Replace
both poles of ONlOFF switch
(302) from
switch
if
faulty.
Check continuity of
RFI
filter (3101 from
TP4 to TP6 and TP3 to TP5. Replace
filter if faulty.
tinuity
from TP5 to TP7 and TP6 to
TP8.
Check
power supply cord (3111 for
con
-
Replace cord if faulty.
3. Replace damaged terminals and recon
-
nect securely.
4.
Replace electric motor
if
switch does not
close when motor is cool. See page
29.
10
307
-
671
YPE
OF
PROBLEM
Condition
B
(continued)
Condition
C
Red
lamp on, clear lamp
off
Unplug
sprayer1
WHAT TO CHECK
f
check is
OK,
go
to
next
check
i.
Check microswitch
1306).
With no fluid
pressure in the pressure control discon
-
nect wires TP18 and TP19. Check con
-
tinuity across switch terminals with an
ohmmeter. Switch contact should be
closed. Depress actuator
bunon. An
audible
"click" indicates the contacts
have opened. Ohmmeter should read in
-
finity.
i.
Check circuit board
(3401
by substituting
with a good board. See page
22.
.
Check circuit board
(3401
by removing
from box
wirhout
disconnecting wires;
sea
page
22
for removal procedure.
WARNING:
Removing the circuit board
while still wired over
-
rides the optical
.
to over
-
pressurize, if the microswitch
detector which could cause the sprayer
does not function properly. Tum the
sprayer on
ONLY
long enough to check
lamp condition, then shut
off
immediate
-
ly.
WARNING:
To reduce the risk of elec
-
tric shock, handle board by edges only1
Do
not allow any metal objects to come
in
contacl with the boardl
should be
on
now
-
removing the circuit
Plug in and turn on sprayer. Clear lamp
board over
-
rides the optical detector.
Turn
off
and unplug sprayer.
!.
Check bourdon tube flag and detector
position. Reinstall circuit board
(see
page
22.
Turn pressure setting to maximum;
flag should extend
less
than half way into
optical detector slot from the bonom.
DETECTOR
C
I
R
C
U
I
T
-
BOARD
VIEW
OF
OPTICAL DETECTOR AND
FLAG
'When replacing
the
bare pressire control box 13011.
remow
the
ON/OFFswitch,
bridge,
circuit
board
and
elecbical
hardware and
reinstall
in
the
new bare box.
WHAT TO
DO
If
check
is
NOT
OK
refer
to
this colurn
5.
Replace microswitch. See page 19.
3,
Replace circuit board. See page
22.
I.
Replace circuit board.
Sea
page
22.
2.
Calibrate pressure control to
sea
if
that
corrects problem.
See
page
24.
If
not, replace bare pressure control box
13011'.
See
page
23.
Tmubleshooting continued on next
page.
307
-
671
11
~~
TYPE
OF
PROBLEM
LOW OUTPUT
NO OUTPUT
Motor runs and pump stroke:
307-671
WHAT
TO
CHECK
If
check is
OK.
go to next check
1. Check for worn spray tip.
2. Check
to
see
that
pump does not con
-
tinue
to
stroke when gun trigger is
released. Plug in and turn on sprayer.
Prime with paint. Trigger gun momen
-
tarily, then release and engage safety
latch. Relieve pressure, turn
off
and
unplug sprayer.
3. Check electrical supply with volt meter.
Meter should read
190-250
Volts.
4. Check extension cord size and length;
must be at least 12 gauge wire and no
longer than 15.2 m
(150
ft).
5.
Check G1 and G2 leads from bridge
or loose wires or connectors. Refer
to
WX)
to
circuit board
1340)
for damage
page
22.
6.
Check stall pressure. Refer
to
Calibration
Procedure on page 24.
7.
Check bridge
(308)
+
and
-
leads and
terminals
to
motor. Inspect
wiring
in
-
sulation and terminals for signs of
overheating. See page
20.
8.
Check for loose motor brush leads and
terminals. See page
27.
9.
Check for worn motor brushes which
should be 14 mm
(9/16) minimum. See
pBge
27.
10.Check for broken and misaligned motor
brush springs. Rolled portion of spring
must rest squarely on top of brush.
11.Check motor brushes for binding
in
brush holders. See page 27.
12.Check circuit board
1340)
by substituting
with a good circuit board. See page
22.
13.Check motor armature for shorn by us
-
ing an armature tester (growler) or per
-
form spin
test.
See
page 15.
14.Check bridge
(308)
by substituting with
a good bridge or by performing the
bridge test. See page 16 or
20.
CAUTION:
Do
not perform this check
A bad armature
will
immediately burn
until armature is determined
to
be good.
out
a
good bridge.
1.
Check paint supply.
2. Check for clogged intake strainer.
3. Check for loose suction tube or fittings.
WHAT
TO
DO
If
check
is
NOT
OK
refer to this column
1. Follow Pressure Relief Procedure
Warning then replace
tip.
See your
separate gun or tip manual.
2.
Service pump. See manual 307-793.
3. Reset building circuit breaker; replace
building fuse. Repair electrical outlet or
try
another outlet.
4. Replace with a correct, grounded exten
-
sion cord.
5.
Clean circuit board male terminals.
minals. Securely reconnect lead
ter-
Replace loose or defective lead ter
-
minals to board.
6.
Calibrate pressure control. See page 24.
7. Be sure male terminal
blades are
centered and firmly connected to female
terminals. Replace any loose terminal or
damaged wiring. Securely reconnect
wires to bridge.
8.
Tighten terminal screws. Replace
brushes if leads are damaged. See page
27.
9.
Replace brushes. See page
27.
10.Replace spring if broken. Realign spring
with brush. See page
27.
11 .Clean brush holders, remove carbon
dust with small cleaning brush. Align
brush lead with
slot
in brush holder
to
assure free vertical brush movement.
12.Replace circuit board. See page
22.
13.Replace motor.
See
page
29.
14.Repiace bridge. See page
20.
1. Refill and reprime pump.
2.
Remove and clean, then reinstall.
3. Tighten; use thread sealant or sealing
tape on threads if
necessary.
TYPE OF PROBLEM
NO OUTPUT
(Continued)
Motor runs but pump does
not stroke
EXCESSIVE PRESSURE
FLUCTUATIONS
Spray panern variations.
MOTOR IS HOT
e
RUNS INTERMllTENTLY
WHAT TO CHECK
If
check is
OK,
go
to next check
,
Check to see
if
intake valve ball and
piston ball are seating properly.
See
manual 307-793.
.
Check for leaking around throat packing
nut which may indicate worn or damag
-
ed packings.See manual 307-793.
.
Check displacement pump connecting
rod
pin.
See
page 26.
,
Check connecting rod assembly for
damage. See page 25.
.
Be sure crank
in
drive housing rotates;
plug
in
sprayer and turn on momentarily
to check. Turn
off
and unplug sprayer.
See
page 25.
.
Be sure both G1 and G2 leads from
firmly
connected. See
page
22.
bridge
1308)
to circuit
board
13401
are
'.
Check stall pressure. Refer to Calibration
procedure on page 24.
i.
Check bourdon tube flag and detector
position. Turn pressure sening to max
-
imum; flag should not drag or bind
in
optical detector slot of circuit board.
r
CIRCU'TBoARD
OPTICAL
DETECTOR
"
OPTICAL
DETECTOR
FLAG
VIEW
OF OPTICAL DETECTOR AND FLAG
I.
Check circuit board
(3401
by substituting
with a good board. See page
22.
i.
Check
LOW
OUTPUT section on page
12.
.
Check to
see
if
sprayer has been
operating at high pressure with small
tips, which causes low motor RPM and
results
in
excessive heat build up.
I.
Check to
see
if ambient temperature
where sprayer is located is more than
32%
(90°F)
or
if
sprayer
is
located
in
direct sun.
!.
Check to
see
if
sprayer has been left in a
stalled condition [sprayer turned on,
pressurized, but not operating) for long
periods of
time.
WHAT TO
DO
If
check
is
NOT
OK
refer to this column
,.
Remove intake valve and clean. Check
balls and seats for nicks; replace if
necessary. See manual
307-793.
#.
Replace packings. See manual 307-793.
Also check piston valve seat for harden
-
ed
paint or nicks and replace
if
necessarv.
.
Replace pin if missing. Be sure retainer
spring is fully in groove
a11 around
connecting rod. See page 26.
!.
Replace connecting rod assembly. See
page 25.
i.
Check drive housino assemblv for
damage and
replac; if necessary.
See
page
25.
.
Reconnect securely. See page
22.
I.
Calibrate pressure control. See page 24.
I.
Carefully bend flag into alignment with
detector slot to see if that corrects pro
-
blem.
assembly
(3011'. Calibrate pressure con-
If not, replace bare pressure control
trol after reassembly.
I.
Replace circuit board. See page
22.
I.
Decrease pressure sening or increase
tip
size.
!.
Move sprayer
possible.
to shaded, coolel
'
area if
1.
Turn
off
sprayer whenever you stop
spraying for
awhile and relieve fluid
pressure.
307-671
13
TYPE
OF
PROBLEM
ELECTRICAL SHORT
Buildino circuit breaker ooens
as
sooi
as sprayer switch
is
turned on.
CAUTION
Any short in any part of
thf
motor power circuit, which
i$
connected to the output sidc
of the bridge, will cause
thf
bridge to burn out immediate
ly. Correctly diagnose anc
ing and
replacing
bridge
repair all shorts before
check,
as soon as sprayer is plugged
Building circuit breaker opens
turned on.
into outlet and sprayer is
NO1
WHAT TO CHECK
If
check
Is
NOT
OK
refer to this
col
-
If
check
is
OK,
go
to
next check
WHAT TO DO
umn
Check all electrical wiring for damaged
or damage. Be sure to check wires
bet-
insulation, and all terminals for loose
fit
ween pressure control and motor which
are encased in conduit
141
I.
See page
29.
1.
Repair or replace any damaged wiring or
terminals. Securelv reconnect all wires.
,
Check for missing inspection plate
2.
Correct faulty conditions.
gasket
(see page
27).
bent terminal forks
which could cause a short.
or other metal to metal contact points
Check motor armature for shorts by us
-
3.
Replace motor. See page
29.
ing an armature tester (growler) or per
-
form spin test. See page
15.
Inspect
windings for bums.
,
Check bridge
(3081
by substituting with
4.
Replace bridge. See page
20.
a good bridge
or
by performing bridge
test.
See page
16.
CAUTION:
Do
not perform this check
until armature is determined to be
good.
A bad armature will immediately burn
out a good bridge.
Check 'Basic Electrical Problems' on
page
9.
Check ON/OFF switch
1302)
See page
19.
Be
sure
the
sprayer
is
unplugged!
switch with ohm meter. The ohm meter
Disconnect wires from switch and check
should read
infinity
with the ONlOFF
switch OFF, and zero with the switch
ON.
CAUTION:
A short
in
the motor circuit
will burn the bridge out immediately,
which in turn usually causes the ONlOFF
switch
to
fail in the closed mode.
2.
Replace ON/OFF switch. See page
19.
14
307
-
671
~
~_____~
SPIN
TEST
WARNING
Before doing this procedure, follow the Pressure
the risk of
a
fluid injection injury, splashing fluids
Relief
Procedure Warning on page
17
to reduce
in the eyes or on the skin, injury from moving
Darts. or electric shock.
1
~~~ ~~
For checking armature, motor winding and brush elec
-
trical continuity.
Setup
Remove the drive housing from the sprayer as des
-
cribed in Steps
1
-
9,
page
25.
Remove the pressure control cover and screws, !he
motor cover, the fan cover (F), and the inspectton
covers
IJ).
See Fig
9.
Disconnect the
two
leads from the motor to the bridge
(308).
See
Fig
10.
Armature
Short
Circuit Test
shorts,
the motor will coast
two
or three revolutions
Quickly turn the motor fan by hand.
If
there are
no
before coming to
a
complete stop.
If the motor does not spin freely and resists rotation, the
armature
is
shorted and the motor must be replaced.
See page
29.
Armature, Brushes, and Motor Wiring Open
Circuit Test (Continuity)
Connect the
two
black motor leads together with
a
test
lead.
Turn the motor fan by hand
at
about
two
revolutions
per second.
following:
a)
broken brush springs;
b)
broken brush
If there
is
uneven or no turning resistance, check the
leads;
c) loose brush terminal screws; d) worn brushes;
e)
broken motor leads;
f)
loose
motor lead termlnals.
Repair parts as needed. See page
27.
If there
is
still uneven or no turning resistance, replace
the motor. See page
29.
Fig
9
307
-
671
15
BRIDGE
TEST
Remove the bridge from the pressure control box and
perform this test to determine if the bridge is functional.
continuity tester, such
as
multi
-
meter set on the X1
See Bridge Rectifier Replacement, page
20.
Use
a
ohms scale
(
n
).
the bridge fails even one test,
it
must be replaced.
Eight individual checks, or tests, must be performed.
If
Fig
11
shows the position of the wires on the bridge.
Us
-
ing the chart
at
the right, connect the meter wires
as
in
-
dicated by the black dots for each test, then check the
continuity.
In Tests 1,
2
and
3,
there should be
NO
continuity.
indicated, check continuity,
then.switch the meter wire
In Tests
4,
5
and
6,
connect the
+
and
-
meter wires
as
get
NO
continuity one way, and
YES
continuity the
connections and check continuity again.
You
should
other way.
In Tests 7 and
8.
connect the meter wires
as
indicated
by
the black dots. Touch the indicated
"G"
wire to one
meter wire, and then the other.
You
should get
NO
con
-
tinuity one way, and
YES
continuity the other way.
BRIDGE
WIRES
Fig
11
16
307-671
GENERAL
REPAIR
NOTES
WARNING
Pressure Relief Procedure
To'reduce the risk of serious bodily injury,
in
-
cluding fluid injection, splashing fluid in the eyes
or on the skin, or injury from moving parts or elec
-
tric shock, always follow this procedure whenever
you shut
off
the sprayer, when checking or servic:
ing any part of the spray system, when installing,
cleaning or changing spray tips, and whenever
you stop spraying.
1 .Engage the gun safety latch.
2 .Turn the
ONIOFF switch to OFF.
3
.Unplug the power supply cord.
4 .Disengage the gun safety latch.
5
.Hold
a
metal part of the gun firmly to the side of
a grounded metal pail, and trigger the
gun
to
relieve pressure.
6
.Engage the gun safe& latch.
7 .Open the drain valve, having a container ready
8
.Leave the drain valve open until you are ready
If
you suspect that the spray
tip
or hose
is
com
-
pletely clogged, or that pressure has not been fully
relieved after following the steps above, VERY
SLOWLY loosen the tip guard retaining nut or
hose end coupling and relieve pressure gradually,
then loosen completely. Now clear the
tip
or hose.
to catch the drainage.
to spray again.
Tool
List
The following tools are needed when repairing this
sprayer.
Phillips screwdriver
Small flatblade screwdriver
Needle nose pliers
Plastic mallet
Adjustable wrench
2
"
adjustable, open
-
end wrench
Torque wrench
114"
hex key wrench
3/16
"
hex key wrench
518"
socket wrench
318"
open end wrench
314"
open
end wrench
112''
open
end wrench
718"
open end wrench
High quality motor oil
Bearing grease
318
ignition wrench
For calibration procedure only:
0.015'
spray tip
High pressure, oil
-
filled test gauge, Part No. 102-814
5
gallon pail
Clean water
Mineral spirits
NEW
207
bar
(3oM)
psi) high pressure spray hose,
Part
No.
214-915.
ing
general repair notes and the repair procedure. Be
Before repairing any part of the sprayer, read the
follow-
sure you have the necessary tools and parts available.
1.
When disconnecting wires
in
the pressure control
assembly, use needle nose pliers to separate mating
connectors.
When reconnecting the wires, be sure the flat blade
wrap
-
around blade of the female connector when
of the insulated male connector is centered
in
the
the connection is made.
CAUTION
tion, be sure to properly mate connectors, and
never pull on a wire to disconnect
it.
Pulling on a
wire could loosen the connector from the wire.
2.
Route wires in the pressure control assembly
carefully through the legs of the U
-
shaped bourdon
tube, where appropriate, to avoid interfering with
the bourdon tube which moves as the pressure set
-
ting changes and to avoid pinching the wires be
-
tween the pressure control box and cover.
CAUTION
Improper wire routing can result
in
poor sprayer
performance or damage to the pressure control.
3.
Keep
all
screws, nuts, washers, gaskets, and elec
-
trical fittings removed during repair procedures.
These parts are not normally provided with replace
-
ment assemblies.
4.
Test your repair before regular operation of the
sprayer to be sure the problem is corrected.
If the sprayer does not operate properly, review the
repair procedure again to verify that everything was
done correctly. If necessary, refer to the
Troubleshooting Guide, pages
9
-
16,
to help identify
other possible problems and solutions.
FWARNlNGl
To reduce the risk of serious bodily injury, in
-
cluding electric shock, DO NOT touch any moving
while
inspecting.the repair.
parts or electrical parts with your fingers or a tool
complete the inspection.
Shut
off
the sprayer and unplug
it
as soon as you
before operating the sprayer.
Reinstall all covers, gaskets, screws and washers
CAUTION
seconds to avoid damaging the pump packings.
Do not run the sprayer dry for more than
30
5.
Reinstall the motor cover before regular operation
of the sprayer and replace
it
if
it
is damaged. The
cover directs cooling air around the motor to help
prevent overheating.
It
can also help prevent burns,
fire or explosion; see the WARNING, below.
WARNING
and could burn your skin if touched. Flammable
During operation, the motor becomes very hot
materials spilled on the hot, bare motor could
cause a fire or explosion. Always have the motor
cover in place during regular operation to reduce
the risk of burns, fire or explosion.
307-671
17
POWER SUPPLY CORD REPLACEMENT
(See
Fig 12
Et
131
WARNING
follow the Pressure
Relief Procedure Warning on page 17 to reduce
the risk of
a
fluid injection injury, splashing in the
eyes or on the skin, injury from moving parts, or
electric shock.
1. Use the
19
mm open end wrench to remove the nut
(337)
from the filter stud (310).
2.
Use
the
13 mm socket wrench to remove the
two
screws (651 holding the pressure control to the
frame.
3. Remove the pressure control mounting bracket
(50)
using
a
Phillips screwdriver.
4.
Disconnect the power supply cord wires from the
control box terminal strip
(336) using
a
screwdriver.
5. Install the new power supply cord
(3111 in the
reverse order of disassembly.
Install
a
new plug on the other end
of
the cord. Be Fig
12
sure,to follow
all
local codes regarding the type of
olua to use.
.I
FILTER REPLACEMENT
(See Fig 12)
WARNING
Before doing this procedure, follow the Pressure
the risk of
a
fluid injection injury, splashing in the
Relief
Procedure Warning on page 17 to reduce
eyes or on the skin, injury from moving parts, or
1. Remove the pressure control cover and screws.
2.
Use
a
needle nose pliers to remove the four wires
from the filter (3101.
3.
Use the
M8
wrench to remove the lower nut and
lockwashers
(337,
338)
on the outside of the
pressure control box.
4.
Remove the old filter and install a new one in the
reverse order of disassembly.
Fig
13
18
307
-
671
ON/OFF SWITCH REPLACEMENT
(See Figs 14
Et
WARNING
Before doing this procedure, follow the Pressure
Relief Procedure Warning on page 17 to reduce
the risk of
a
fluid injection injury, splashing
in
the
eyes or on the skin, injury from moving parts, or
electric
shock.
1. Remove the pressure control cover and screws.
2. Remove the wires attached to the switch
(302) at
TPl and TP2, using a screwdriver. See page
22,
Fig
21.
3.
Use a 16 mm socket wrench to loosen and remove
the nut and rubber boot
(303)
from the top of the
pressure control box. Remove the switch guard
(304).
4. Remove the ONIOFF switch.
5. Remove the wires attached to the switch TP4 and
TP3 using a screwdriver. See page
22,
Fig 21.
6. Attach the wires to TP4 and TP3 of the new switch.
7. Install the new switch
so
the internal tab of the anti-
rotation ring
(W)
engages with the vertical groove
engages
with
the blind hole
(D)
of the pressure con-
in
the threads of the switch, and the external tab
trol box.
8.
Install the switch guard (304). aligning the internal
tab with the groove
in
the threads.
9. Powder the inside of the rubber boot
(303)
with
talcum, then shake excess out of boot.
10. Install the nut and rubber boot and tighten.
11. Reconnect the wires to
TP1 and TP2.
12. Reinstall the pressure control cover and screws.
MICROSWITCH REPLACEMENT
(See Fig 15)
Before doing this procedure, follow the Pressure
the risk of a fluid injection injury, splashing
in
the
Relief Procedure Warning on page 17 to reduce
eyes or on the skin, injury from moving parts, or
1. Remove the pressure control cover and screws.
2. Disconnect both wires from the microswitch
(3061.
3. Use the socket wrench to remove the nuts from the
microswitch.
4. Check to see if the flag
(X)
is loose. If
it
is, be sure
the
fluid
pressure is
0
bar
(0
psi), then loosen the
two
6
mm hex nuts behind the microswitch. Adjust
the distance from the top of the flat to top inside
of
the pressure control box to 40.79k 0.254 mm
(1.606*
0.010
in.).
Tighten the screwsand recheck
the dimension. Refer to Fig 1.
5. Perform the
STALL
PRESSURE
CALIBRATION
on page 24 before regular operation of the sprayer.
6. Reinstall the cover
and
screws.
15)
Fig
14
Fig
15
307-671
19
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Graco 230-963 User manual

Category
Paint Sprayer
Type
User manual
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