Repair and Parts
RTX 1500 Electric Texture Sprayer
310645H
- For Water-Based Materials Only -
(Consult your Material Supplier for Warnings and Application Requirements)
Models: Page 2
Maximum Working Air Pressure: 45 psi (3.1 bar)
Maximum Working Fluid Pressure: 100 psi (6.9 bar)
Read all warnings and instructions.
CAUTION
Use RTX 1500 non-bleeder texture gun 248091.
All other guns will damage sprayer.
ti4305a
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2004
Graco Inc. is registered to I.S. EN ISO 9001
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Warnings
The following are general Warnings related to the safe setup, use, maintenance and repair of this
equipment. Additional, more specific warnings may be found throughout the text of this manual where
applicable.
Warning
WARNING
This symbol alerts you to the possibility of seri-
ous injury or death if you do not follow the
instructions.
Caution
CAUTION
Alerts you to the possibility of damage or destruction
of equipment if you do not follow the instructions.
Warnings
Fire and Explosion Hazard
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent
fire and explosion:
•
•
•
•
Use equipment only in well ventilated area.
Keep work area free of debris, including solvent, rags, and gasoline.
Ground equipment in the work area. See Grounding instructions.
If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment
until you identify and correct the problem.
Equipment Misuse Hazard
Equipment misuse can cause death or serious injury.
•
•
Do not exceed maximum working pressure or temperature rating of lowest rated system compo-
nent. See Technical Data, in all equipment manuals.
Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all
equipment manuals. Read fluid and solvent manufacturer’s warnings.
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not alter or modify this equipment.
Use the equipment only for its intended purpose. Call your Graco distributor for information.
For professional use only.
Route hoses away from traffic areas, sharp edges, moving parts and hot surfaces.
Do not use hoses to pull equipment.‘
•
•
•
•
•
•
•
•
Keep children and animals away from work area.
Comply with all applicable safety regulations.
Electric Shock Hazard
Improper grounding, setup, or usage of the system can cause electric shock.
•
•
•
•
Turn off and disconnect power cord before servicing equipment.
Use only grounded electrical outlets.
Use only 3-wire extension cords.
Ensure ground prongs are intact on sprayer and extension cords.
310645H
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Warnings
WARNINGS
Pressurized Equipment Hazard
Compressed air can inject in skin. Air tubing rupture can cause injury if disconnected while under
pressure. To reduce risk of injury:
• Never exceed maximum working pressure of any attachment.
• Do not direct airstream at body.
spraying, service equipment, install or clean spray nozzle or disconnect or connect hose.
Cleaning Solvent Hazard with Plastic Parts
Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. Many
solvents can degrade plastic parts to the point where they could fail. Such failure could cause serious
injury or property damage. See Technical Data on page 34 of this instruction manual and in all other
equipment manuals. Read fluid and solvent manufacturer’s warnings.
Moving Parts Hazard
Moving parts can pinch or amputate fingers and other body parts.
•
•
•
Keep clear of moving parts.
Do not operate equipment with protective guards or covers removed.
Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,
follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.
Personal Protective Equipment
Wear appropriate protective equipment when operating, servicing or when in the operating area of this
equipment to help protect yourself from serious injury, including eye injury, inhalation of toxic fumes,
burns and hearing loss. This equipment includes, but is not limited to:
• protective eye wear
• clothing and respirator as recommended by fluid and solvent manufacturer
• hearing protection
• gloves
CAUTION
Water or material remaining in unit when temperatures are below freezing can damage pump and/or delay startup.
To insure water and material are completely drained out of unit:
• remove hose from material outlet,
• tip sprayer forward 45° to allow material (water) to flow out of pump inlet.
Before adding material or starting unit in cold weather, circulate warm water through pump.
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310645H
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Component Identification
Component Identification
B
C
R
P
K
A
E
F
S
ti4500a
D
W
H
M
U
L
V
T
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ComponentIdentification
Component Identification
COMPONENT
ITEM
A
Main Power Switch
Nozzle Storage
B
C
Hopper
D
Hopper Connect/Disconnect
Graco RotoFlex™ HD Pump
Material Outlet
E
F
H
Air Outlet
K
Fluid Flow Regulator and Pressure Gauge
Gun Nozzle (5 sizes)
Gun (see manual 310616)*
Prime Switch
L
M
P
R
Power Cord
S
Pump Access Screw
Hose - 25-ft.
T
U
Material Thickness Gauge
Cleaning Ball
V
W
Spare Hose Gaskets
6
310645H
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Preparation
Preparation
Pressure Relief Procedure
Grounding and Electric Requirements
The sprayer must be grounded. Grounding reduces the
risk of electrical shock by providing an escape wire for
the electrical current.
1 Turn Main Power Switch
(A) OFF.
WARNING
ti4292a
2 Turn fluid flow regulator
(K) all the way down to
reduce pressure.
Read warnings, page 3.
• The sprayer cord includes a
Ground
grounding wire with an appro-
priate grounding prong.
K
ti4295a
ti4303a
3 Open gun air valve (aa).
• The plug must be plugged into
an outlet that is properly
installed and grounded in
accordance with all local codes
and ordinances.
A
ti4296a
• Do not modify plug! If it will not
fit in outlet, have grounded out-
let installed by a qualified elec-
trician.
ti4000a
4 Trigger gun, spraying
material back into
hopper (C).
ti4297a
• Sprayer model electric require-
ments are provided on page 2.
Extension Cords
• Only use an extension cord with
Ground
ti4294a
an undamaged 3-prong plug.
• For up to 100 ft (30.48 m) cord,
2
use 3-wire, 12 AWG (2.5 mm )
minimum.
ti4295a
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Preparation
Auxiliary Air Compressor
Hose Lengths
• Use Auxiliary Air Hookup Kit 287328 when additional
atomization air is necessary.
• The system comes with a twin line hose set consist-
ing of a 1 in. ID x 25 ft (25 mm x 7.6 m) material hose
and a 3/8 in. ID air hose. Additional hose sections can
be added. Total final length of hose used should not
exceed 100 feet in length.
CAUTION
Attaching auxiliary air to sprayer without using the
Auxiliary Air Hookup Kit will damage sprayer.
CAUTION
Generators
Sprayer air hose fitting can get hot! Allow sprayer to
cool down 5 minutes before removing air hose.
7500 W (7.5 KW) minimum.
Tips for Using Generators
• Before running sprayer, make sure it is at room tem-
perature. This will reduce startup current.
• Run generator at full throttle.
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310645H
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Removing and Replacing Hopper, Front and Back Covers
Removing and Replacing Hopper, Front and Back Covers
Before performing any service on sprayer
always:
Front Cover
Removing Cover
1 Remove hopper.
• Turn main power switch (A) OFF.
• Unplug sprayer from outlet.
2 Unscrew and
remove
3a
3b
knob (S).
• Remove air and material hoses.
• Clean sprayer. See Operation Manual 310624 or
310625.
3 Place you
hand under
front, bot-
tom edge of
cover.
ti4408a
Hopper
Removing Hopper
(3a) Lift
cover up,
(3b) then
pull bottom
toward you
1 To remove hopper
loosen fitting.
Fittings are
S
hand-tightened
and should not
require tools to
loosen.
and out to remove cover.
Replacing Cover
2 Lift hopper straight
up, off frame.
1 Place your
hand under
front, bottom
edge of cover.
(1a) Position
top edge of
cover under
top metal lip
on sprayer
ti4503a
Replacing Hopper
1 To replace
hopper, position
drain over fitting
as far as it will go,
making sure
identificationlabel
faces out.
1a
ti4411a
1b
frame.
(1b) Then
push up on
cover so lower
plastic edge
S
2 Hand tighten fit-
ting.
of cover has room to clear front metal frame and slide
cover into place. To position cover correctly, it will go
in at an angle.
ti4504a
2 Replace knob (S). Hand tighten fitting.
3 Replace hopper.
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Removing and Replacing Hopper, Front and Back Covers
Back Cover
To access the motor and all other components, it is
necessary to remove the hopper, front and back covers.
Replacing Cover
1 To reposition cover
on sprayer frame,
tip the cover back,
toward you and
Removing Cover
1 Completely
remove 6
slide it down, into
place in the base of
the frame. Then
push the top back
into place. Align
screws (2 on top
and each side)
from cover.
screw holes in side
and top of cover
ti4430a
with holes in frame.
ti4432a
2 Lift cover up and
then tilt it back
and off sprayer
frame.
2 Replace and
tighten screws.
ti4433a
ti4431a
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310645H
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RotoFlex™ HD Pump
RotoFlex™ HD Pump
Use RotoFlex HD Pump Replacement Kit 287314.
4 Rotate pump assembly
sideways. Pull entire
assembly out of front of
sprayer frame.
IMPORTANT
• After replacing RotoFlex HD Pump hose, always
before operating sprayer.
Disassembly
ti4376a
First read and follow instructions in the Before
.
Then remove hopper and front cover, page 9.
1 Loosen and remove hose
extension.
5 Separate the inner and
outer hose brackets.
ti4377a
6 Slide hose ends out of
slots in outer hose
bracket.
ti4378a
2 Loosen and remove knob.
• Slide out of short slot
first.
ti4374a
3 Slide RotoFlex HD hose
off rollers.
7 Pull hose out of inner
hose bracket.
ti4519a
ti4379a
8 Discard pump hose.
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RotoFlex™ HD Pump
4 Slide plates together, inserting inner plate in outer
plate, matching alignment holes.
Reassembly
1 Bend and kink new
pump hose from kit in
the middle as shown,
making sure dots on
hose fittings face each
other.
DOTS
5 Replace bracket
assembly in housing
making sure the
mounting screw hole,
located in the top cen-
ter of the inner plate,
faces up.
ti3127a
2 Insert hose ends
through holes in inner
hose bracket, keeping
dots on fittings facing
each other and kinked
portion of hose hori-
zontal to the underside
of bracket.
ti4383a
6 Slide pump hose
around rollers. Make
sure the rollers are
horizontally parallel to
each other.
alignment
holes
ti4520a
7 Slide feet on the bot-
tom of hose bracket,
into the slot on the
bottom of sprayer.
3 Slide hose ends into
outer hose bracket,
making sure dots on fit-
tings face each other
and alignment holes
are together.
• Slide into long slot
first.
ti4429a
8 Replace knob. Hand
tighten.
9 Reattach hose exten-
sion.
10 Replace front cover
and hopper. See
ti4381a
Removing and
Replacing Hopper,
Front and Back Cover,
ti4386a
12
310645H
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RotoFlex™ HD Pump
3 Turn power switch (A) on.
4 Hold in prime switch (P).
Hose Break-In Procedure
1 Make sure fluid flow
regulator (K) is turned all
the way down.
ti4653a
K
P
ti4303a
2 Pour approxi-
mately 1 gallon
hot water in
ti4364a
WATER
sprayer hopper
to lubricate the
pump.
5 Turn fluid flow regulator
(K) up to full pressure.
ti4301a
K
ti4655a
6 Run sprayer dry for 1 to 1-1/2 minutes.
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Compressor and Motor Repair
Compressor and Motor Repair
For 120 V sprayer use Compressor and Motor
Replacement Kit, 287315.
4 Loosen 4 bolts (2 each
side) to loosen tension on
belt.
For 230 V sprayer use Compressor and Motor
Replacement Kit, 287344.
Kits include motor/compressor and mounting hardware.
Disassembly
ti4388b
First read and follow instructions in the Before
5 Slide belt off motor pully.
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
1 Remove two screws and
access cover on the left
side of the motor.
ti4459a
6 Disconnect air line from
compressor to cooler
and remove.
ti4457a
2 Remove ground nut and
disconnect green ground
wire.
ti4460a
7 Remove 3 screws on
right side of cover and
remove cover.
ti4458a
3 Disconnect black and white
wires to motor.
ti4479a
ti4405a
ti4478a
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Compressor and Motor Repair
8 Loosen 2 shoulder
bolts about 2-3 turns.
Do not remove them.
Reassembly
1 Using two new shoulder
bolts and rubber mounts
included in your kit, insert
bolts into openings until
they start to snug up on
rubber mounts.
ti4463a
ti4465a
9 Remove single
shoulder bolt on other
side of motor com-
pletely.
2 Slide new motor into
sprayer frame, aligning
motor frame opening
under bolts. Tighten bolts.
ti4425a
ti4468a
10 Slide out motor
assembly.
3 Replace shoulder bolt
on left side with new
bolt from your kit.
Tighten bolt.
ti4424a
ti4462a
4 Replace end cover.
Replace and tighten 3
screws.
11 Completely remove old
shoulder bolts and rub-
ber mounts.
ti4484a
ti4464a
12 Thoroughly clean inside housing to remove dust and
debris.
ti4485a
5 Reattach air line to cooler
and compressor. Tighten
fitting.
ti4516a
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Compressor and Motor Repair
6 Slide belt over pulleys and set tension. See Replacing
8 Replace reattach green
ground wire and grounding
nut.
7 Reattach black and white
wires to motor.
Wires are not polarity
sensitive.
ti4470a
ti4412a
9 Replace cover plate and
screws.
10 Replace RotoFlex HD
Pump and hose exten-
11 Replace front and back
covers and hopper. See
Removing and Replacing
Hopper, Front and Back
ti4471a
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310645H
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Compressor Rebuild Kit
Compressor Rebuild Kit
To replace piston, seals and sleeve.
4 Remove 3/8 in. bolt
holding piston to
For 120 V sprayer use Compressor Rebuild Kit 287330.
For 230 V sprayer use Compressor Rebuild Kit 287331.
motor shaft.
ti4707a
Disassembly
First read and follow instructions in the Before
Then remove back cover, page 9.
5 Loosen 4 bolts on top
of motor housing.
1 Disconnect air line to
motor.
ti4708a
ti4460a
2 Remove 3 screws in
side of motor cover.
Remove cover.
6 Remove bolts and
housing from motor.
ti4479a
ti4478a
ti4709a
7 Remove piston rod
from motor.
3 Remove fan bolt from
center of fan and
remove fan from
housing.
8 Using parts in kit
replace piston, seals
and sleeve.
ti4710a
ti4706a
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Compressor Rebuild Kit
5 Replace motor fan
and center fan bolt.
Reassembly
1 Insert new piston rod from
kit in motor housing.
6 Tighten bolt.
ti4704a
ti4700a
7 Replace motor
cover and screws.
2 Replace and tighten
piston bolt.
3 Replace top motor
hosing and 4 bolts.
ti4701a
ti4485a
8 Reconnect air line
from motor to
cooler.
9 Replace back cover.
See Removing and
Replacing Hopper,
Front and Back
4 Tighten bolts.
ti4703a
18
310645H
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Removing and Replacing Belt
Removing and Replacing Belt
Use Belt Replacement Kits 118845.
Replacing Belt
1 Using new belt from Kit,
position new belt around
pulleys making sure the
teeth in the belt are
First read and follow instructions in the Before
Then remove hopper, front and back covers, page 9.
properly engaged with
teeth on pulleys.
Remove hose extension and RotoFlex HD Pump
Removing Belt
ti4392a
1 Loosen 4 bolts (2 each
side) to loosen tension on
belt.
2 Replace support rod.
Tighten 2 bolts (1 each
side) to secure support-
ing rod.
ti4388b
ti4393a
2 Loosen 2 bolts (1 each
side) holding down sup-
port rod.
3 Insert crow bar under
assembly as shown and
raise motor assembly
until desired belt ten-
sion is achieved.
ti4388a
ti4469a
3 Using a screw driver for
leverage, lift up on motor
support rod on one side
of motor and ease it out
of the holding bracket far
enough to remove old
belt. Discard old belt.
4 While holding motor
assembly in place with
crow bar. Spin pulley to
assure proper belt
engagement. Adjust
motor assembly position
as necessary.
ti4472a
At the same time, slide in
the new belt.
ti4391a
ti4459a
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Removing and Replacing Belt
5 Tighten all 4 bolts.
A correctly tensioned belt will feel very tight. To
measure correct tension, apply 4-5 lbs pressure
at belt midpoint with thumb. Belt should have
approximately 1/8 in. (3.175 mm) deflection.
ti4394a
6 Turn belt one more
time with your hand to
make sure teeth are
properly engaged and
tension is correct.
7 Replace RotoFlex HD
Pump and hose exten-
ti4477a
A loose belt will not last long. If in doubt, tighten
more.
ti4473a
8 Replace back and front
covers and hopper.
See Removing and
Replacing Hopper, Front and Back Cover, page 9.
20
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Roller Replacement
Roller Replacement
Use Roller Replacement Kit 287321.
Reassembly
1 Replace roller assembly.
Kit includes 2 rollers, 4 nylon washer, and 2 retaining
rings.
Disassembly
ti4398a
First read and follow instructions in the Before
Then remove hopper, front and back covers, page 9.
2 Reinstall snap ring.
Remove hose extension and RotoFlex HD Pump
1 Remove snap ring.
ti4399a
3 Replace RotoFlex HD Pump and hose extension,
ti4396a
4 Replace back and front covers and hopper. See
Removing and Replacing Hopper, Front and Back
2 Remove roller assembly
from rotor pins (a).
3 Clean rotor pins (a) and
ti4397a
check for damage. If pins
are worn or damaged,
replace rotor assembly,
(Rotor Assembly
a
310645H
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Rotor Assembly Replacement
Rotor Assembly Replacement
Use Pump Assembly Replacement Kit 287255.
Reassembly
1 Put new rotor assembly from kit on shaft.
Disassembly
2 Insert a wrench in the
pulley to prevent it
from moving..
First read and follow instructions in the Before
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
ti4714a
1 To prevent rotor assembly
from moving, insert a long
screw driver or pry bar in the
pulley.
3 Replace bolt. Torque to
40 ft. lbs.
ti4714a
ti4712a
2 Remove large bolt and
washer in center of rotor
assembly.
4 Replace RotoFlex HD Pump and hose extension,
3 Pull rotor assembly off
shaft.
ti4711a
5 Replace back and front covers and hopper. See
Removing and Replacing Hopper, Front and Back
22
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Air Cylinder and Solenoid Valve
Air Cylinder and Solenoid Valve
Use Cylinder Replacement Kit, 287323.
4 Gently push cylinder forward,
relieving tension on pin. Pull
out pin.
For 120 V sprayer use Solenoid Replacement Kit
287324.
For 230V sprayer use Solenoid Replacement Kit
287351.
ti4409a
Disassembly
If replacing solenoid valve only, it can be done at
this time.
First read and follow instructions in the Before
a Using an adjustable wrench, rotate entire solenoid
valve assembly counter clockwise from cylinder.
b Replace solenoid valve and continue with step 4 of
reassembly.
Then remove hopper, front and back covers, page 9.
Remove hose extension and RotoFlex HD Pump
5 Lift cylinder up and pull it
back.
1 Remove hose from quick
release fitting by using your
fingers on one hand to push
in on ring while at the same
time, using the other hand,
gently pull the hose out of the
6 Remove dampening
grommet.
ti4518a
fitting.
7 Using a 15/16 in. wrench,
loosen nut, located inside
sprayer frame at the end
ti4406a
2 Remove electric wire ter-
minal connections.
of the air cylinder.
ti4415a
8 Using a 15/16 in. wrench,
loosen nut on the other
ti4416a
side of the sprayer frame.
3 Remove cotter key located
on the end of the cylinder pin,
by using a pliers to straighten
the ends and pull it out of the
hole.
9 Pull cylinder out of sprayer
frame.
If replacing cylinder only,
remove solenoid valve
(see a and b above) and
reinstall on new cylinder.
ti4453a
ti4414a
310645H
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Air Cylinder and Solenoid Valve
6 Replace cotter pin
Reassembly
through hole in pin,
bending ends to secure.
1 Insert crowned backing
nut on shaft of cylinder.
2 Using new cylinder
from kit, position cylin-
der in sprayer frame,
inserting end of cylin-
der through pump
ti4456a
ti4421a
7 Reattach electric wire
terminals. Terminals are
not polarity sensitive and
can be connected to
either post.
bracket mounting hole.
ti4417a
3 Install locking nut flush
to end of shaft.
8 Gently push hose in
quick release fitting.
4 Install dampening
grommet.
5 Align hole in end of air cylin-
der and replace pin.
ti4407a
9 Replace RotoFlex HD Pump and hose extension,
ti4410a
10 Replace front cover and hopper. See Removing and
Replacing Hopper, Front and Back Cover, page 9.
ti4455a
24
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Relief Valve and Flow Sensor Manifold
Relief Valve and Flow Sensor Manifold
For 120 V sprayer use Relief Valve Replacement Kit
287325.
Reassembly
1 Position new relief valve from Kit in back of sprayer.
For 230 V sprayer use Relief Valve Replacement Kit
287350.
2 Replace and tighten screws.
3 Reattach wires to Relief Valve.
4 Reattach air line from cooler to manifold.
Disassembly
First read and follow instructions in the Before
5 Reattach air line to regulator.Replace RotoFlex HD
Then remove hopper, front and back covers, page 9.
6 Replace front cover and hopper. See Removing and
Replacing Hopper, Front and Back Cover, page 9.
1 Remove air line to
regulator.
2 Remove air line from
cooler to manifold.
ti4423a
3 Disconnect wires to Relief Valve. Pay attention to their
location to insure they are reattached correctly.
4 Remove 2 nuts securing
Relief Valve to sprayer.
ti4418a
5 Remove Relief Valve
from sprayer frame.
ti4419a
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Air Flow Sensor Replacement
Air Flow Sensor Replacement
For 120 V sprayer use Sensor Replacement Kit 287326.
2 Rotate coun-
ter-clockwise to
remove sensor
from manifold.
For 230 V sprayer use Sensor Replacement Kit 287345.
If you are just replacing the sensor, you do not
have to remove the motor first.
Disassembly
ti4480a
First read and follow instructions in the Before
Reassembly
Then remove hopper, front and back covers, page 9.
1 Rotate new sensor
from kit clockwise, all
the way into opening
in Relief Valve
Remove hose extension and RotoFlex HD Pump
1 Disconnect all
wire
housing. Lightly
tighten nut.
connections.
ti4486a
2 Reconnect all wires.
ti4481a
ti4487a
3 Replace RotoFlex HD
Pump and hose exten-
ti4482a
ti4488a
4 Replace back and front
covers and hopper.
See Removing and
Replacing Hopper,
Front and Back Cover,
WHITE WIRE
WHITE WIRE
26
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Troubleshooting
Troubleshooting
Pressure Relief, page 7
Problem
Cause
Solution
Turn switch on.
Sprayer won’t run or stops intermit-
tently
Power switch not on
No power at wall outlet
Check outlet by plugging in another
appliance. If appliance does not
work, try another outlet.
Wrong size generator
Use a 7500 watt or larger generator.
Refer to Generator Requirements,
page 8.
Temperature too cold
Allow unit to warm up.
Too many items on same circuit
Internal thermal switch tripped
Unplug other items from circuit.
Self-resetting. Allow unit to cool down
15 minutes and restart. Usually
occurs when wrong size extension
cord is used.
Extension cord too long or wrong
gauge
Use a 12 gage extension cord or
remove extension cord. Refer to
Grounding and Electric Require-
ments, page 7.
Breaker tripped
Air lock
Reset breaker.
Pump won’t pump material or low
output
Open air valve on gun.
Mix too thick
Add water to thin material. Use Mate-
rial Thickness Gauge.
Loose fittings
Plugged gun
Check and retighten all fittings.
gun from hose. Clean gun.
RotoFlex HD Pump worn out
Replace hose.
Pump cold or material frozen in pump Move pump to warm room and allow
it to warm up or run hot water through
sprayer.
Sensor is bad
Replace, page 26
Check air system for leaks
Remove shroud and examine for air
leaks
Loose wire
Remove shroud and examine wiring
Rebuild compressor
No air pressure
Sensor is bad
Soft start won’t work/pump, always
loaded
Change sensor, page 26
Air leak due to bad seal keeps valve Replace seal
open
Normal soft start system delay
Release trigger for 10-15 seconds.
Retry.
Switch is not operating properly
Replace switch
Damaged solenoid valve on cylinder Check gun supply, hose and sprayer
for leaks
AIr leak
310645H
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Troubleshooting
Problem
Cause
Solution
Replace hose.
Material runs out of bottom of sprayer RotoFlex HD Pump worn out
Loose fittings
Check and retighten all fittings.
Open gun air valve.
No air from compressor
Gun air valve closed
Gun needle plugged
Lines not connected
Clean needle and retry.
Check all quick disconnect connec-
tions to gun and hoses.
Damaged hose
Replace hose.
Worn compressor
Service compressor. Contact a quali-
fied Graco Service Center.
Speed of application too slow
Material too thick
Nozzle too small
Thin material.
Change nozzles to a larger size. See
Operation Manual, Recommended
Nozzle Selection Chart, page 20.
Speed of application too slow (cont.) Flow control set too low
Plugged or dirty gun
Increase flow control setting
gun.
Kinked hose
Unkink hose.
Gun fluid flow adjustment set too low Increase flow adjustment with flow
adjustment nut.
Intermittent flow/sputtering or air in
material
Hopper connection not tight
Debris in system
Check gasket. TIghten connection.
Clean
Air quick disconnect does not stay
connected.
Dirty or corroded fitting
Clean thoroughly. Soak in oil. Apply a
few drops of light oil.
Gun will not shut off
Worn nozzle or needle.
worn parts.
Debris in needle passage
Fluid leaking at Flow Adjustment Nut Damaged seal.
seal.
Needle adjustment won’t adjust
Dirty threads
Clean threads
Nozzle not on gun
Put nozzle on gun
Flow nut set to maximum adjustment Turn flow nut adjustment the other
way
28
310645H
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Air Diagram
Air Diagram
Air Cylinder
Air Compressor
Air Cooler
Gun
Regulator
Guage
One Way Valve
One Way Valve
Air Flow Control
ti4369a
Wiring Diagram
Air Compressor
Air Cylinder
39
51
32
Prime
Switch
8
Power
Switch
150/151
50
Air Flow
Control
Green
50
White
Black
ti4370d
50
310645H
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Parts
Parts
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30
310645H
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Parts List
Parts List
Item
Item
No. Part No. Description
Qty
No. Part No. Description
Qty
39
40
41
15D628 CONDUCTOR, ground
103785 RIVET
287327 KIT, repair, shaft, bracket, pump
assbly.
287256 BRACKET, compressor
118869 TUBE
15D610 SHAFT, motor, mount
287346 SHIELD, rear, assbly
(includes 19, 49A, 49B, 49C)
1
2
1
1
287315 KIT, compressor replacement
(includes 1A and 1B-1E),
120V sprayers
1
42
43
45
49
1
1
1
1
287330 KIT, compressor rebuild,
120V sprayers
287344 KIT, compressor replacement
(includes 1A, and 1B-1D),
230V sprayers
49A 15D561 COVER, tool tray
49B▲ 15D939 LABEL, warning, English, French,
Spanish
287336 KIT, label, warning, all languages
except those included in 15D939
49C▲ 15D940 LABEL, identification
51
52
53
54
55
56
57
58
62
63
67
73
74
82
1
287331 KIT, compressor rebuild,
230V sprayers
1A
1B
1C
1D
1E
4
119872 SCREW, shoulder
118886 GROMMET, isolator
118889 GROMMET, isolator
119381 COVER, terminal
121479 CAPACITOR, start
118845 BELT
3
2
1
1
1
1
2
1
1
15D634 WIRE, jumper
1
2
8
1
1
1
2
1
2
2
2
2
1
1
116937 BEARING, flanged, bronze
117630 SCREW, torx, tri lob
116666 TUBE, air
287304 HOSE SET, twin line, 1 in. x 25-ft
15C090 GAUGE, thickness, fluid
183401 KEY, parallel
9
13
16
117728 FITTING, compression, union
15D156 PULLEY, rotor
118888 HOSE, air (includes 1/4 in. tubing
and one-way valve)
19
21
22
31
32
33
34
36
37
15D862 NUT, hand
1
1
1
4
1
2
1
2
1
116720 COUPLER, air, quick disconnect
108851 WASHER, plain
118876 TUBE, air, aluminum
117637 NUT, compression
112395 SCREW, cap
15D633 WIRE, jumper
103473 STRAP, tie, wire
15B815 COOLER
101242 RING, retaining, ext.
287255 ROTOR, pump, assbly
(includes 38, 38A, 38B)
106276 SCREW, cap, hex head
113397 BALL, sponge, 30 mm
112785 SCREW, flanged, hex head
115498 SCREW, mach, slot, hex, wash hd
118887 HOSE, air (includes 1/4 in. tubing
and one-way valve)
88
118866 WASHER, flat
1
1
101 248091 GUN, non-bleeder
38
287321 KIT, roller replacement
(includes 38A, 38B and two rollers)
2
▲ Replacement Danger and Warning labels, tags and
38A 113983 RING, retaining, ext
38B 117726 WASHER, nylon
2
4
cards are available at no cost.
310645H
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Parts
Parts
18
91
154
A
30
92
12
17
90
66
81
27
6
3
29
93
7
26
10
25
70
71
24
35
ti4372C
8
60
59
83
58
72
14
5B
89
5A
5
15
55
A
77
23
20
93
19
28
153
151
150a
152a
152b 152c 152d 152e
150b
150c
32
310645H
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Parts List
Parts List
Item
Item
No. Part No. Description
Qty
No. Part No. Description
3
5
Qty
51
54
55
58
59
60
66
70
71
72
74
77
15D634 WIRE, jumper
116666 TUBE, air
287304 HOSE SET, twin line, 1 in. x 25-ft
116720 COUPLER, air, quick disconnect
104641 FITTING, bulkhead
116658 FITTING, tube, male, 1/4 NPT
116171 BUSHING, strain relief
116411 SPRING, compression
116477 WASHER, flat, nylon
1
1
118844 REGULATOR, air, 1/8 in. NPT
287323 KIT, cylinder, replacement,
(includes 5A, 5B, 89)
15D576 SPACER, crowned
118871 NUT, lock, 1/2-20
117720 GAUGE, pressure
115244 NUT, regulator
186620 LABEL, ground, symbol
117693 SWITCH, power
119064 SWITCH, power
15D559 VALVE, assembly, 120V (includes
sensor) sprayer
287350 VALVE, assembly, 230V (includes
sensor) sprayer
15D560 VALVE, cylinder, 120V sprayer
287351 VALVE, cylinder, 230V sprayer
118888 HOSE, air (includes 1/4 in. tubing
and one-way valve)
1
1
1
1
1
1
1
2
2
2
1
2
2
1
5A
5B
6
1
1
1
1
1
1
1
1
7
8▲
10
12
14
116342 CAP, end
115498 SCREW, mach, slot, hex, wash hd
102040 NUT, lock, hex
81▲ 198492 LABEL, warning
82
118887 HOSE, air (includes 1/4 in. tubing
and one-way valve)
15
16
1
1
1
83▲ 15D089 LABEL, warning, hot surface
89 801012 GROMMET
90▲ 15D951 LABEL, identification
91▲ 15D953 LABEL, identification
92▲ 15D952 LABEL, identification
93
150
1
1
1
1
1
4
17
18
15C968 TUBE, air
287347 HOPPER, texture (includes
bracket)
1
1
118872 GASKET
CORD, power
19
20
15D862 NUT, hand
1
1
150a 15D630 Americas/Canada, 120V, 60 Hz
150b 15E056 Europe/Asia, 230V, 50 Hz
(hardwired, rubber cord)
150c 15E061 United Kingdom, 110V, 60, Hz
151 15D902 CORD, power, Europe/Austra-
lia/China, 230V, 50 Hz (requires
1
1
287326 KIT, sensor only, 120V
287345 KIT, sensor only, 230V
287348 SHIELD, front (includes 28)
108471 KNOB, pronged
15D589 BRACKET, hose, outer
15D588 BRACKET, hose, inner
287314 KIT, RotoFlex HD Pump
23
24
25
26
27
1
1
1
1
1
1
1
1
1
2
1
1
cordset adapter, 152, following)
ADAPTER, cordset, (for 15D902),
152
28▲ 189286 LABEL, warning
152a 242001 Europe
152c 242002 Italy
152d 242003 Denmark
152d 242004 Switzerland
152e 242005 Australia/China
153 195551 RETAINER, (for 15D902)
154 15F966 BAFFLE, hopper
1
1
1
1
1
1
1
29
30
32
35
118885 HOSE, coupled (includes grommet)
287254 FRAME, texture, blue
15D633 WIRE, jumper
116478 WHEEL, pneumatic
49B▲ 15D939 LABEL, warning, English, French,
Spanish
287336 KIT, label, warning, all languages
except those included in 15D939
49C▲ 15D940 LABEL, identification
310645H
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TechnicalData
Technical Data
Maximum working fluid pressure
Maximum working air pressure
Material pressure operating range
Compressor
100 psi (6.9 bar)
45 psi (3.1 bar)
0-100 psi (0 to 6.9 bar)
Type
Oilless
Air delivery
6.5 CFM @ 40 psi (184.1 lpm @ 2.8 bar)
Motor
120V, 60 Hz 15A
230V, 50 Hz 10A
Hopper capacity
15 US gallons (57 liters)
2.0 gpm (7.57 lpm)
Maximum delivery with texture material
Dimensions
Length
27 in. (685.8 mm) with handles
26 in. (660.4 mm)
Width
Height
40 in. (1016 mm)
Weight
With hoses and gun
Without hoses and gun
Wetted parts
147 lb (66.68 kg)
131 lb (59.47 kg)
PVC, Buna-N, anodized aluminum, powder coat
aluminum, brass, polyethylene, SST, UHMW
Sound data
Sound pressure level*
Sound power level#
85.8 db(A)
100.1 db(A)
Generator (minimum size requirement)
Maximum external working air pressure (must use
7500W (7.5 kW)
120 psi (8.3 bar)
External Air Hookup Kit 287328 ONLY)
*Measured while spraying at 1 m.
#Measured per ISO-3744
34
310645H
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Warranty
Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written
recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or
maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these
warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the
negligence of Graco, or otherwise.
POUR LES CLIENTS DE GRACO PARLANT FRANCAIS
Les parties reconnaissent avoir convenu que la rédaction du présent document ainsi que de tous les documents, avis et procédures judiciaires
exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées, sera en anglais.
PARA LOS CLIENTES DE GRACO QUE HABLAN ESPAÑOL
Las partes reconocen haber convenido que el presente documento, así como todos los documentos, notificaciones y procedimientos judiciales
emprendidos, presentados o establecidos que tengan que ver con estas garantías directa o indirectamente, estarán redactados en inglés.
PER I CLIENTI GRACO ITALIANI
Le controparti riconoscono di aver richiesto che il presente documento, e tutti gli altri documenti, avvisi e informazioni di natura legale sottoscritti,
conferiti o istituiti direttamente o indirettamente, siano redatti in lingua inglese.
PARA CLIENTES PORTUGUESES DA GRACO
As partes confirmam que solicitaram que o presente documento, assim como todos os demais documentos, notas e processos legais inseridos,
atribuídos ou instituídos de acordo com o mesmo ou relacionados directa ou indirectamente com este documento, fossem redigidos em inglês.
VOOR GRACO-KLANTEN IN NEDERLAND
De partijen zijn zich ervan bewust dat zij hebben geëist dat het onderhavige document, evenals alle documenten, berichtgevingen en wettelijke
procedures die worden aangegaan, overhandigd of in gang gezet hetzij als gevolg van hetzij rechtstreeks hetzij indirect in relatie tot het
onderhavige worden opgesteld in de Engelse taal.
ADDITIONAL WARRANTY COVERAGE
Graco does provide extended warranty and wear warranty for products described in the “Graco Contractor Equipment Warranty Program”.
310645H
35
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Warranty
TO PLACE AN ORDER, contact your Graco distributor, or call 1-800-690-2894 to identify the nearest distributor.
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
MM 310645
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
3/2004 Rev. 01/2008
36
310645H
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