Graco TexSpray EXT HP User manual

308717
Rev. K
7120B
Model 231761
shown
ti5068a
INSTRUCTIONS–PARTS LIST
INSTRUCTIONS
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
– For Water-Based Materials Only –
ELECTRIC TEXTURE SPRAYER WITH COMPRESSOR
TexSpraytEXT HP and Twin Tank
100 psi (0.7 MPa, 7 bar) Maximum Working Pressure
Power Model Description
120V,
60 Hz
231761 Sprayer Model 231561
with 1-in. fluid hose, 3/8-in. air
hose, and Trigger Gun with fine
finish tip
231762 Sprayer Model 231561
with 1-in. fluid hose, 3/8-in. air
hose, and Flex Gun
231763 Sprayer Model 231561
with 1-in. fluid hose, 3/8-in. air
hose, and 3-ft Pole Gun
240V,
50 Hz
231769 Sprayer Model 231563
with 1-in. fluid hose, 3/8-in. air
hose, and Trigger Gun with
fine-finish tip
231770 Sprayer Model 231563
with 1-in. fluid hose, 3/8-in. air
hose, and Flex Gun
231771 Sprayer Model 231563
with 1-in. fluid hose, 3/8-in. air
hose, and 3-ft Pole Gun
None 231753 Twin-Tank Model 231587
with 1-in. fluid hose, 3/8-in. air
hose, and Trigger Gun with
fine-finish tip
231754 Twin-Tank Model 231587
with 1-in. fluid hose, 3/8-in. air
hose, and Flex Gun
231755 Twin-Tank Model 231587
with 1-in. fluid hose, 3/8-in. air
hose, and 3-ft Pole Gun
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
ECOPYRIGHT 1997, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
Parts

2 308717
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Identification and Function 4. . . . . . . . . . . .
Preparation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Techniques 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shutdown and Cleanup 14. . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing and Reinstalling Compressor 18. . . . . . . . . .
Removing and Inspecting Cooler 20. . . . . . . . . . . . . . . .
Typical Twin Tank Setup 21. . . . . . . . . . . . . . . . . . . . . . . .
TexSpray EXT Wiring Diagram 22. . . . . . . . . . . . . . . . . .
Parts
TexSpray EXT Models 231561 and 231563 22. . . . . .
TexSpray Twin Tank Model 231587 24. . . . . . . . . . . . .
Pressure Pot 239023 25. . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Warranty 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 28. . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
DThis equipment is for professional use only.
DRead all instruction manuals, tags, and labels before operating the equipment.
DUse the equipment only for its intended purpose. If you are not sure, call your distributor.
DDo not expose the system to rain. Always store the system indoors.
DDo not alter or modify this equipment. Use only genuine Graco parts.
DCheck equipment daily. Repair or replace worn or damaged parts immediately.
DDo not exceed the maximum working pressure of the lowest rated component in your system. This
equipment has a 100 psi (0.7 MPa, 7 bar) maximum working pressure at 100 psi (0.7 MPa,
7 bar) maximum air pressure.
DTo reduce the risk of serious injury, including electric shock and splashing fluid in the eyes, follow
the Pressure Relief Procedure on page 6 before checking or repairing the compressor.
DDo not use hoses to pull equipment.
DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 55_C (130_F) or below –40_C (–40_F).
DDo not lift pressurized equipment.
DDo not lay equipment down or allow material in pressure pot to plug the port to the pressure pot
cover safety valve.
DDo not use the pot cover storage hook to lift the sprayer.

3308717
WARNING
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,
inhaled, or swallowed.
DKnow the specific hazards of the fluid you are using.
DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state, and national guidelines.
DAlways wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid and
solvent manufacturer.
DPipe and dispose of exhaust air safely, away from people, animals, and food handling areas.
DNever directly inhale compressed air. Compressed air may contain toxic vapors.
FIRE AND EXPLOSION HAZARD
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
DThe system is for use only with water-based materials. Use fluids compatible with the equip-
ment wetted parts. Refer to the Technical Data section of all equipment manuals. Read the fluid
and solvent manufacturer’s warnings.
DGround the equipment. See Grounding and Electrical Requirements on page 7.
DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-
ing immediately. Do not use the equipment until you identify and correct the problem.
DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
DKeep the work area free of debris, including solvent, rags, and gasoline.
DThe pressure pot is lined to prevent corrosion and aid pot cleanup. To prevent liner damage, do not
mix texture material in the pot. Inspect the pot daily, and replace the pot if corrosion or other dam-
age is present.
DLocate the sprayer at least 20 ft (6.1 m) away from any explosive vapors, due to arcing parts.
DComply with all applicable local, state, and national fire, electrical, and safety regulations.
CLEANING SOLVENT HAZARD WITH PLASTIC PARTS
Use only compatible solvents to clean all plastic parts. Many solvents can degrade plastic parts to the
point where they could fail. Such failure could cause serious injury or property damage. See the
Technical Data section on page 27 in this instruction manual and in all other equipment manuals.
Read the fluid and solvent manufacturer’s warnings.

Fig. 1
L
A
P
J
F
N
H
B
K
E
G
C
D
M
S
closed
R
open
ti5069a
4 308717
Component Identification and Function
Component Function
AON/OFF switch Power switch that controls 120/240V AC power to sprayer
BAir pressure regulator Adjusts air pressure in pot to control flow rate of material to spray gun
CPot cover storage hook Allows the cover to hang from cart frame during pressure pot refilling
DPot safety valve Prevents pot pressure from exceeding 100 psi (0.7 MPa, 7 bar)
EPot vent valve Allows quick venting of pot air pressure for refilling and cleanup
FFive-gallon pressure pot Holds texture material
GAir filter Filters incoming air to the compressor
HFluid valve Shuts off fluid supply to spray gun
JSpray gun Uses compressor air to break up and spray texture material
KAir outlet Provides quick disconnection of air supply from spray gun
LAuxiliary air compressor port Provides connection to replacement or supplemental air compressor
MCompressor safety valve Prevents supply and gun air pressure from exceeding 100 psi (0.7 MPa,
7 bar) limit
N Cooler Reduces temperature of air from compressor
P Compressor Open frame AC motor, 1-phase, with oil-less single-stage air compressor
RGun air valve Shuts off air supply to spray gun
SAir line drain valve Allows air line moisture accumulation to be drained

5308717
Notes

6 308717
Preparation
Compressor Break-in
The first time you use the system, run the compressor
under no load to break it in, improve performance, and
lengthen its life.
1. Connect the air hose to the air outlet (K) and to the
gun air inlet. Open gun air valve (R) all the way.
See Fig. 2.
Fig. 2
K
R
ti5071a
2. Turn ON/OFF switch (A) ON. Run system for 15
minutes. Turn the switch OFF. See Fig. 3.
Fig. 3 7122B
A
WARNING
PRESSURIZED EQUIPMENT HAZARD
The system pressure must be manually relieved to
prevent the system from starting or spraying
accidentally. To reduce the risk of an injury from
accidental spray from the gun, splashing fluid, or
moving parts, follow the Pressure Relief
Procedure whenever you
DAre instructed to relieve the pressure
DStop spraying
DCheck or service any of the system equipment
DInstall or clean the spray nozzle
Pressure Relief Procedure
1. Shut off the system.
2. Trigger the gun into a pail.
3. Open the gun air ball valve (R) (handle parallel
with valve body). See Fig. 2.
4. Unplug the system.

7308717
Preparation
Grounding and Electrical Requirements
WARNING
Improper installation or alteration of the grounding
plug will result in a risk of electric shock, fire or
explosion that could cause serious injury or death.
Extension Cords
DUse only an extension cord with an undamaged,
3-prong plug.
DFor up to 25 ft (7.6 m) cord, use 3-wire, 12 AWG
(1.5 mm2) minimum.
DFor 25 to 50 ft (7.6 to 15.2 m) cords, use 3-wire,
10 AWG (2.5 mm2) minimum.
120V AC Systems
DThis equipment requires a 120V AC, 60 Hz, 15A
circuit with a grounding receptacle. See Fig. 4.
Fig. 4
grounding prong
grounded
outlets
DDo not alter the ground prong or use an adapter.
DA maximum length of 25 ft, 12 AWG or 50 ft,
10 AWG extension cord may be used.
240V AC Systems
DThis equipment requires a 240V AC, 50 Hz, 16A
circuit with a grounding receptacle. See Fig. 5.
Fig. 5
grounded
outlet
grounding prong 9248A
DDo not alter the ground prong or use an adapter.
DA maximum length of 8 m, 1.5 mm2or 15 m,
2.5 mm2extension cord may be used.
Hose Size and Lengths
The system comes with a hose set consisting of a 1 in.
ID x 25 ft (25 mm x 7.6 m) fluid hose and a 3/8 in. ID
air hose. The 1 in. hose set includes an adapter hose
between the gun and main hose. See Parts List on
page 23.
Do not use more than 75 ft (23 m) of fluid hose.
Auxiliary Air Compressor
An external air compressor may be connected
(adapter included) to the auxiliary air compressor port
(L) to supplement, or replace, the internal air
compressor of the TexSpray. This may be useful when
DAdditional air is needed to break up hard-to-spray
materials
DWhen the job site does not have the proper electric
service, but a gasoline-powered compressor is
available
WARNING
Over pressurizing the system may cause compo-
nent rupture and resulting in serious injury.
To reduce the risk of over pressurizing the system, do
not use a compressor with an output pressure greater
than 100 psi (70 kPa, 7 bar), and/or with a delivery
greater than 6.8 scfm at 90 psi (0.19 m3/min. at
60.3 kPa, 6.3 bar).
Removing and Installing the Pressure Pot
1. To remove the pressure pot (F), loosen the knob
(T) so that about 1 in. of the threads are showing.
Lift the pot off the unit. See Fig. 6.
2. To install the pressure pot, align bracket over slots
(S) and set it on the plastic base. Tighten the knob
(T). See Fig. 6.
Fig. 6
S
F
7124A
T

8 308717
Preparation
System Setup
See Fig. 7
1. Connect the hoses and gun as shown.
2. Be sure the air filter (G) is in place.
3. Plug the power cord into a properly grounded
outlet.
Fig. 7
G
L
A
K
ti5072a

9308717
Preparation
Operation Characteristics
DAlways start the system with the compressor air
relieved.
DAir bleeds from the gun nozzle whenever the gun
air ball valve (R) is open. Close the gun air ball
valve to stop the air, if desired. See Fig. 8. See
Spraying Techniques on pages 12 and 13 for
more gun characteristics.
DA compressor unloader valve (M) with two pressure
relief valves (W) is located under the compressor
guard (11). Air escapes from the valve, often
causing a popping sound, when air flow at the gun
is too restricted. The valve resets automatically
when the air flow is increased. See Fig. 9.
WARNING
The motor has a thermal overload switch that shuts
down the motor if it overheats.
To reduce the risk of serious bodily injury due to the
system restarting unexpectedly, always turn the
ON/OFF switch (A) OFF if the motor shuts down.
See Fig. 7.
CAUTION
Damage to the power cord may result from uninter-
rupted operation. Do not operate sprayer at maxi-
mum pressure for more than 1 hour in any 2 hour
period.
Fig. 8
open
R
1Gun air valve
shown open
1
ti5073a
Fig. 9
M
11
7074A
W

10 308717
Preparation
Wetting the Hose Before Spraying Texture
Material
Wet the inside of the hose before each use to flush out
sediment and to prevent the texture material from
packing out the hose.
1. The pot capacity is 5 gallons (19 liters). Add two
gallons of clean water to the pot.
NOTE: A small amount of air flow through the gun
helps to prevent material from backing up the needle
valve.
2. Partially open the gun air valve (R). (The system
primes easier if a little air is supplied to the gun.)
3. Turn the ON/OFF switch (A) ON. Adjust the
regulator (B) to pressurize the pot to about 20 psi
(138 kPa,1.4 bar). Trigger the gun into a pail.
Spray water to wet the inside of the fluid hose.
4. Turn the ON/OFF switch (A) OFF.
5. Open the gun air ball valve (R) to relieve the
compressor air. Open the pot vent valve (E) to
vent the pot.
Fig. 10
closed
R
open
ti5074a
Mixing the Material
CAUTION
This system is designed for use with only certain
types of material. Any other use could seriously
damage the unit.
DDo not use any solvent-based materials. Use
only water-based materials.
DUse only simulated acoustic and gypsum-based
wall texture materials in this system.
DNot all cementious materials can be sprayed.
Many cementious materials will damage the
sprayer.
Proper material mixture is essential. The sprayer
will not operate if the material is too thick.
Slowly add one bag of texture material to clean water
as instructed on the bag instructions. Agitate to a
smooth, lump-free consistency. Thin or thicken the
material as needed before pouring it into the pot.
For the best results, do not use partial bags of
material.
Premixed cementious material is typically sprayable;
bagged cementious material is typically unsprayable.
Perform the following procedure to determine if a
bagged material is sprayable and whether it could
damage the sprayer:
1. Mix material and wait 10 minutes.
2. If the material settles out, it will probably pack out
when you attempt to spray it, which would damage
the sprayer. Do not use the material.

11308717
Startup
Prime the System
See Fig. 11
1. To minimize material pack-up in the hose when
using heavy sand material
a. Disconnect gun from material hose.
b. Open fluid supply valve (H).
c. Thin 2 quarts (1.4 liters) of material to 1/2
thickness. Pour the solution into the tank.
2. After the 1/2-thickness material begins to enter the
hose, fill the pressure pot (F) with the prepared
texture material. Install the float assembly on top
of the material to prevent air from disrupting
material flow.
3. Install the gun and a nozzle. See Nozzle
Selection, page 12.
NOTE: A small amount of air flow through the gun
helps to prevent material from backing up the needle
valve.
4. Open the gun air valve (R) (see Fig. 10) to be sure
air pressure is relieved. Leave the gun partially
open. The system primes easier if a little air is
supplied to the gun.
5. Be sure there are no kinks in the hose, which
restricts fluid flow.
NOTES:
DIf spraying a simulated acoustic or coarse grain
material, disconnect the hose at the gun, prime the
hose, and direct the material into a pail for 10
seconds. Turn the ON/OFF switch OFF, and vent
the pressure pot. Reconnect the hose to the gun.
DA small amount of air flow through the gun helps to
prevent material from backing up the needle valve.
6. Turn the ON/OFF switch (A) ON. Trigger the gun
into a pail. Continue until there is a solid stream of
texture material.
7. See Spray Techniques on pages 12 and 13 for
proper spray pattern with pump and gun
adjustments.
Fig. 11
A
F
B
E
D
H
U
ti5075a

12 308717
Spray Techniques
Nozzle Selection
Application Nozzle2Air Volume1
Fog 3 – 4 mm high
Simulated
acoustic 4 mm medium to high
6 mm
8 – 10 mm
Orange peel 3 – 4 mm medium to high
Splatter coat 6 – 8 mm
6 – 10 mm
low to medium
Knockdown 8 – 12 mm low
Textured
Elastomerics 8 – 12 mm high
Plastics 8 – 10 mm high
EIFS 8 – 12 mm high
Stucco 10 – 12 mm high
1Control air volume with gun air flow valve (R).
2For more material volume, try a larger orifice nozzle.
Adjusting the System
Sufficient fluid output (volume and pressure) and good
atomization require testing to balance the compressor
air to the gun and pump and proper nozzle selection.
Keep in mind these important points when adjusting
the gun:
DRead all of pages 12 and 13 before spraying.
DStart the sprayer with the gun air valve fully open. If
needed, slowly decrease the gun air flow until you
get a good spray pattern. Use the minimum amount
of air at the spray gun to achieve the proper spray
pattern and to minimize bounce back.
–Test the spray pattern on cardboard. Hold the
gun 18 to 30 in. (457 to 762 mm) from the
surface. Use this spraying distance for most
applications.
–Overlap each stroke 50% in a circular motion.
DSelect the proper nozzle for your application. See
the Nozzle Selection at left. Consider the size of
aggregate in the material and the coarseness of the
spray pattern. Remember, the larger the nozzle, the
heavier the pattern.
DAll spraying adjustments are made at the gun.
Material pressure and flow rate adjustments are
made at the regulator.
DThe compressor provides air to the gun and the
pot; thus, the more air you supply to the gun, the
less that is available for the pot.
Note: It takes the sprayer 15 seconds to stabilize at
the pressure that is set at the regulator.

13308717
Spray Techniques
To Get Less Material
Try any one or a combination of these methods:
DUse a smaller nozzle.
DReduce pot pressure. Use the regulator.
To Get More Material
Try any one or a combination of these methods:
DSlightly close the air inlet ball valve on the gun.
DUse a shorter hose.
DUse a thinner material mixture.
DTry a larger-orifice nozzle.
DIncrease pot pressure (use the regulator).
Preventing Material Surge
To prevent material surge at the beginning of a spray
pattern, slowly squeeze the trigger to the fully triggered
position while moving the gun quickly.
For Continuous Spraying
Use the trigger bail (401) to hold the trigger (see
Fig. 12) open to reduce operator fatigue.
Check Material Consistency Periodically
Check and thin the material as needed to maintain the
proper consistency. The material may thicken as it sits
and slow down production or affect the spray pattern.
Fig. 12
401
ti5076a

14 308717
Shutdown and Cleanup
CAUTION
To keep the unit in good operating condition, always
clean it thoroughly and prepare it properly for
storage, even for overnight storage. Pay particular
attention to the following:
DA dirty filter allows contaminates into the
compressor and eventually into the pot and gun,
resulting in poor performance and damage.
DThe gun requires daily lubrication for consistent
performance. See Fig. 13.
DIn cold weather, store the system where it will
not freeze. If it does freeze, thaw it thoroughly
before using it.
Fig. 13
1Oil here
1
1
ti5077a
See Fig. 14 and Fig. 15
1. Be sure the compressor pressure is relieved by
opening gun air ball valve.
NOTE: A small amount of air flow through the gun
helps to prevent material from backing up the needle
valve.
2. Partially open the gun air ball valve (R), and turn
on the ON/OFF switch (A).
3. Trigger the gun into a pail to empty the fluid in the
pot.
4. Half fill the pot (F) with clean water. Clean the
inside of the pot with a brush, if needed.
CAUTION
Flushing the hoses of the TexSpray EXT HP with hot
water weakens the hoses. A weakened hose is more
susceptible to damage and leakage. Do not use hot
water to flush the hoses.
NOTE: The pot can be removed for cleaning. See
page 7.
5. Trigger the gun into a pail until the float stop shuts
off the material flow.
6. Fill the pot with clean water, and install the lid.
7. Start the sprayer. Spray half the water into a pail.
Shut off the sprayer, and relieve the pressure.
Remove the spray gun. Close the fluid outlet valve
(H). Disconnect the hose from the coupler (43) and
install several hose cleaning balls (81) into the
hose. Reconnect the hose. Open the fluid outlet
valve (H).
8. Start the sprayer. The sprayer tank pressure
forces the hose cleaning balls and the water into
the pail. Be sure to recover the hose cleaning
balls.
Note: Use low pressure when the hose cleaning
balls are in the hose.

15308717
Shutdown and Cleanup
9. Turn off the switch (A). Open the gun air valve (R)
to relieve compressor pressure. Open the pot vent
valve (E).
10. Remove the air filter (G), wash it thoroughly with
soap and water, and reinstall it.
11. Clean and dry the gun. Oil the gun daily with a few
drops of SAE–10 light oil at the points indicated in
Fig. 13.
12. Remove any dry residue from the cooler (N).
13. Drain the frame air line after each use as follows.
a. Open the drain cock valve (S).
b. Start the sprayer.
c. Rock the sprayer back and forth slightly to
drain any moisture in the air line.
d. Stop the sprayer.
e. Close the drain cock valve.
Fig. 14
closed
R
open
ti5078a
Fig. 15
A
B
F
G
H
E
43
N
S
ti5079a

16 308717
Troubleshooting
See Pressure Relief Procedure on page 6.
PROBLEM CAUSE SOLUTION
Compressor does not start Trapped air pressure Relieve air pressure by connecting air hose and
opening gun air valve.
Improper power supply Connect to power supply rated for your sprayer.
Tripped thermal overload in motor Check extension cord. Allow unit to cool down and
try again.
See Grounding and Electrical Requirements on
page 7.
NOTE: Remove extension cord and plug unit di-
rectly into outlet. If unit operates correctly, this indi-
cates an extension cord problem.
Clean filter, air cooler and cooling fan. Allow unit to
cool down and try again.
Have motor serviced.
No material output from pot. Pot is empty Refill pot. NOTE: Plate (45) shuts off material flow
to prevent air from entering hose.
Not enough pressure to pot Shut off air at the gun and increase air pressure to
the pot to maximum. Turn regulator clockwise to in-
crease.
Material too thick Thin material.
Clogged pot outlet Inspect; clear.
Gun or nozzle plugged or dry
packed
Turn off the fluid supply valve. Relieve fluid pres-
sure from the hose. Remove gun from material
hose and slowly open fluid valve.
Note: A plugged gun or nozzle may cause the hose
to plug. If necessary clean hose and gun before
cycling material through the hose with the gun re-
moved.
Hose plugged or too long Relieve pressure. Clean hose or reduce hose
length.

17308717
Troubleshooting
PROBLEM CAUSE SOLUTION
Material surges Triggering too fast Squeeze trigger slowly to open position while mov-
ing gun in a circular motion.
Speed of application to slow Material too thick Thin material.
Not enough air pressure to pot Shut off air at the gun and increase air pressure to
the pot to maximum. Turn regulator clockwise to in-
crease.
Leaking cover gasket Clean or replace gasket.
Nozzle too small Increase nozzle size.
Hose plugged or too long Relieve pressure; clean hose or reduce hose
length.
Pattern too fine or too much over
spray
Material too thin Thicken material.
Air pressure at gun too high Decrease air to gun at gun fitting.
Material delivery too low Increase nozzle size.
Increase air pressure to pot and/or decrease air to
gun at gun fitting or reduce hose length.
Turn fluid knob out on gun. See Spray Techniques
on pages 12 and 13.
Pattern too coarse Material too thick Thin material.
Air pressure at gun too low Increase air to gun at gun fitting.
Material delivery too high Decrease nozzle size.
Decrease air pressure to pot and/or increase air to
gun at gun fitting.
Unloader stuttering, unloading too
early, or unloading too late
Damaged unloader Replace.

18 308717
Removing and Reinstalling Compressor
WARNING
HOT SURFACE HAZARD
Be sure the compressor duct work is
cool before removing it. If the sprayer
was operated recently, it will be very hot
and can cause burns!
NOTE: Clean the cooler whenever the compressor is
serviced.
Removing Compressor
See Fig. 16 and Fig. 17
1.
Relieve the pressure.
See Pressure Relief
Procedure on page 6.
2. Remove filter cover (20).
3. Remove two screws (7) and the compressor
cover (21).
4. Remove and clean the air filter (G).
5. Remove compressor guard (16).
6. Remove six screws (7) and tool box cover (6).
7. Remove grounding screw (36) and two leads (U)
from bottom of switch (9).
Fig. 16
G
7129B
16
20
7
21
76
36
U
18
9

Fig. 17
A
A
A
76
28
77
31
1
18
ti5080a
19308717
Removing and Reinstalling Compressor
8. Tip TexSpray horizontal.
9. Loosen hose clamps (28) and pull out hose (31).
10. Remove two screws (76) and saddle-mount
cups (77).
11. Place a piece of cardboard between compressor
and cooler to protect cooler from damage during
step 12.
12. Carefully remove compressor wires while lifting
compressor up and away from cart frame (1).
Compressor Repair
If you are rebuilding the compressor (18), see
DeVILBISS manual OEM–4000–A.
Graco offers repair kits for the two cylinder
compressor. The repair kits are listed in the
Accessories.
NOTE: For repair assistance or for compressor
service center locations, call your Graco distributor.
Reinstalling Compressor
Reassemble sprayer in reverse order of Removing
Compressor.
NOTE: See the Wiring Diagram on page 22.

20 308717
Removing and Inspecting Cooler
WARNING
HOT SURFACE HAZARD
Be sure the compressor duct work is
cool before removing it. If the sprayer
was operated recently, it will be very hot
and can cause burns!
See Fig. 18
1.
Relieve the pressure.
See Pressure Relief
Procedure on page 6.
2. See Removing Compressor, beginning on
page 18.
3. Loosen clamp (28) on hose (29), and remove hose
from cooler (27).
4. Remove screws (7) and cooler (27). Clean the
cooler, and inspect for leaks, dents, and plugging
with dust. Replace cooler if necessary.
Fig. 18
2728
29 7
A
A
ti5081a