2000 psi (13.79 MPa, 137.9 bar) maximum working pressure
C2707812006Pistol Grip, Tip Seal
2309739
Warnings
ELECTRIC SHOCK HAZARD
Improper grounding, setup, or usage of the system can cause electric shock.
•Turn off and disconnect power at main switch before disconnecting any cables and before servicing
equipment.
•All electrical wiring must be done by a qualified electrician and comply with all local codes and regulations.
•Connect only to grounded power source.
SKIN INJECTION HAZARD
High pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just
a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.
•Do not point gun at anyone or at any part of the body.
•Do not put your hand over the spray tip.
Warnings
Warning
•Do not stop or deflect leaks with your hand, body, glove, or rag.
•Engage trigger lock when not spraying.
•Follow Pressure Relief Procedure on page 5 if the nozzle clogs and before cleaning, checking or
servicing equipment.
TOXIC FLUID HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or
swallowed.
•Read MSDS’s to know the specific hazards of the fluids you are using.
•Store hazardous fluid in approved containers and dispose of it according to applicable guidelines.
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause death or serious injury.
•Do not exceed maximum working pressure or temperature rating of lowest rated system component.
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 manufacturers warnings.
•Check equipment daily. Repair or replace worn or damaged parts immediately.
•Do not alter or modify equipment.
•For professional use only.
•Use equipment only for its intended purpose. Call your Graco distributor for information.
•Route hoses away from traffic areas, sharp edges, moving parts and hot surfaces.
•Do not use hoses to pull equipment.
3097393
Grounding and Electrical Requirements
Grounding and Electrical Requirements
1. Pump: connect a ground wire and clamp to a true
earth ground as shown in pump manual.
2. Applicator: ground through motor cable assembly.
The following are minimum requirements for a basic dispensing system. Your system may include other equipment or objects that must be grounded. Check your local
electrical code for detailed grounding instructions for
your area and type of equipment.
To maintain grounding continuity when flushing or relieving pressure, always hold a metal part of spray gun
firmly to side of a grounded metal pail. Then trigger
spray gun.
ti3795a
3. Fluid and air hoses: only use electrically conduc-
tive material and air hoses.
4. Dispense gun: ground through connection of hose
or cable.
5. Air compressor: follow manufacturer’s recommen-
dations.
6. Object being sprayed: refer to local code.
7. Fluid supply container: refer to local code.
8. Solvent pails used for flushing: refer to local
code.
4309739
Installation
Installation
Inspect flow gun for shipping damage. If damage is
found notify the carrier immediately.
If material hose will be suspended by a hanger or
tool balancer, route hose through the suspension
device before
1. Connect flow gun to any standard Graco hose
assembly.
2. Connect the opposite end of the heated hose
assembly to any fluid supply system. See Model
table, page 2 for maximum fluid working pressure
for your gun model.
3. Tighten fluid connections.
4. Before operating gun, squeeze and release trigger a
few cycles. Observe action of cartridge assembly.
securing each end of material hose.
Pressure Relief Procedure
To help prevent injuries, follow this procedure
when you shut off the flow gun and before checking or adjusting any part of gun.
If you suspect the tip/nozzle or hose is completely
clogged or that pressure has not been fully relieved after
following the above steps, VERY SLOWLY loosen the
retaining nut or hose end coupling to relieve pressure
gradually. Then loosen it completely. Clear tip/nozzle or
hose.
Trigger Lock
Always engage trigger lock when you stop dispensing to
prevent gun from being triggered accidentally by hand or
if dropped or bumped.
To engage trigger lock, release trigger and rotate lock
downward. See Fig. 1.
Do not try to force trigger valve open with trigger
lock engaged. This could result in component failure.
Trigger Lock
Engaged
1. Shut off air to pump.
2. Close bleed-type master air valve (required in your
system).
3. Hold metal part of spray gun firmly to side of
grounded metal pail. Trigger gun to relieve pressure.
ti3795a
4. Open drain valve and/or pump bleeder valve having
a container ready to catch the drainage.
5. Leave drain valve open until you are ready to
spray/dispense again.
F
IG. 1: Trigger Lock Engaged
To disengage trigger lock, rotate it upward. See Fig. 2.
Trigger Lock
Disengaged
F
IG. 2: Trigger Lock Disengaged
3097395
Troubleshooting
Troubleshooting
ProblemCauseSolution
Gun fails to dispense when trigger is
actuated
Gun fails to dispense when trigger is
engaged
Seal leakagePacking adjustment nut not snugFollow Pressure Relief Procedure,
Material leaks from gun inlet swivelWorn sealsReplace seals.
Material lodged in nozzleFollow Pressure Relief Procedure,
page 5. Clear nozzle of blockage.
Material supply, hose, passages,
clogged
Tension of trigger needs adjustmentCheck spring tension adjustment at
Needle and seat adapter loose or
worn
Worn seals and packings Rebuild gun as necessary.
Check material supply settings,
hoses, etc. for proper material supply.
Verify integrity of trigger pin through
yoke. Repair or replace cartridge
assembly as necessary.
rear of gun. Spring tension should be
adjusted to allow approximately 1/32
in. of free play on trigger.
Verify integrity of trigger pin through
yoke. Repair or replace cartridge
assembly as necessary.
Check that seat adapter is tightened
firmly and flush to gun body.
Needle and seat adapter worn.
Replace components as necessary.
page 5. Tighten packing adjustment
nut.
6309739
Troubleshooting
3097397
Service
Service
Models 12004, 12004X
Disassembly
1. Actuate gun to purge material and relieve pressure
in gun. Pressure Relief Procedure, page 5.
2. Disconnect material supply line from gun handle.
3. Hold adapter (9) stationary and unscrew nozzle and
collar (16).
4. With trigger depressed, unscrew adapter (9) from
gun body (17).
5. Remove o-ring (10) from adapter (9).
6. Loosen lock nut (14).
7. Carefully unscrew and remove spring retainer (15)
and spring (13) from the gun body (17).
8. Remove screw (11) and lock washer (23) from side
of trigger (18).
9. Pull trigger pins (12) from gun body (17) and remove
trigger (18).
10. Unscrew packing nut (5) from gun body (17).
11. Remove cartridge assembly through side of gun
handle.
Cartridge Disassembly Procedure
1. Remove o-ring (4) from groove on packing nut (5).
2. Loosen lock nut (14) on cartridge while holding yoke
(1) in a soft
3. Separate needle/ball (8) from yoke (1) using the slot
in needle/ball to unscrew the yoke.
4. Remove adjusting screw (3) from packing nut (5).
Then, separate needle/ball (8) from packing support
(7).
5. Push seals (6) out of packing nut (5).
Nut
Packing Nut
Packing Support
Needle/ball
Yok e
Reassembly
Clean all parts thoroughly before reassembling. Check
them carefully for damage or wear, replacing parts as
needed. For best results replace the original parts with
new parts in repair kits.
Prior to assembly, lubricate all seals and o-rings with
PARKER-O-LUBE or an equivalent lubricant.
1. Push seals (6) in the packing nut (5).
2. Screw adjusting screw (3) into packing nut (5).
Insert needle/ball (8) into packing support (7).
Nut
Packing Nut
Packing Support
Needle/ball
Yok e
Adjusting Screw
Seal
O-Ring
ti3810a
3. Attach needle/ball (8) to yoke (1) using slot in the
yoke to screw needle/ball.
4. Secure yoke in soft jawed vice. Tighten lock nut to
cartridge.
5. Install o-ring (4) onto groove in packing nut (5).
6. Insert cartridge assembly through front of gun handle.
7. Screw packing nut (5) in gun body (17).
8. Install trigger (18) and insert trigger pins (12) in gun
body (17). Secure using screws (11) and lock washers (23).
9. Install snap rings (11) from top to bottom to secure
trigger pins (12).
10. Install spring (13) and spring retainer (15) into the
gun body (17). Adjust spring retainer to allow
approximately 1/32 in. of free play on trigger.
11. Tighten lock nut (14).
12. Install o-ring (10) to adapter (9).
Seal
O-Ring
8309739
Adjusting Screw
13. With trigger retracted, screw adapter (9) into gun
body (17).
ti3810a
Service
14. Hold adapter (9) stationary and screw nozzle and
collar (16) into adapter. Do not over tighten collar.
15. Reconnect flow gun to material supply line.
16. Turn on material supply line.
17. Return flow gun to normal operating condition.
Model 12005
Disassembly
1. Actuate gun to purge material and relieve pressure
in gun. Pressure Relief Procedure, page 5.
2. Disconnect material supply line from gun handle.
3. Hold adapter (9) stationary and unscrew nozzle and
collar (16).
4. With trigger depressed, unscrew adapter (9) from
gun body (17).
5. Remove o-ring (10) from adapter (9).
6. Loosen lock nut (14).
7. Carefully unscrew and remove spring retainer (15)
8. Remove screws (11) and lock washers (28) from
trigger pins (12).
9. Pull trigger pins (12) from gun body (17) and remove
trigger (18).
Cartridge Disassembly Procedure
1. Remove guide (22) from needle (8).
ti4035a
2. Remove two o-rings (23) from guide (22).
ti4036a
3. Unwind spiral PTFE o-ring backup (21) from
guide(22).
4. Loosen adjustment screw (3) while holding packing
nut (5).
5. Extract needle (8) from packing nut (5).
6. Remove o-ring (4) from groove in packing nut (5).
7. Remove adjustment screw (3).
8. Push three seal-needles (6) out of packing nut (5)
with soft rod or dowel.
10. Remove piston valve (20) from front of gun.
11. Unscrew packing nut (5) from gun body (17).
12. Remove cartridge assembly from gun.
ti4039a
9. Hold yoke (1) in soft-jawed vice. Unlock stop nut (2).
ti4040a
10. Separate needle (8) from yoke (1).
3097399
Service
Reassembly
Clean all parts thoroughly before reassembling. Check
them carefully for damage or wear, replacing parts as
needed. For best results replace the original parts with
new parts in repair kits.
Prior to assembly, lubricate all seals and o-rings with
PARKER-O-LUBE or an equivalent lubricant.
1. Connect needle (8) and stop nut (2) to yoke (1).
2. Secure yoke (1) in soft jawed vise. Lock stop nut (2)
against yoke.
ti4043a
3. Insert needle (8) into packing nut (5).
4. Push three seal needles (6) in packing nut (5) using
soft rod or dowel. Orient as shown below
12. Tighten nut (19) on needle (8).
ti4051a
13. Adjust screw (3) to tighten packings.
14. Install trigger (18). Align yoke (1) in gun body (17).
15. Press trigger pin (12) into gun body.
16. Secure trigger pins (12) using screws (11) and lock
washers (28).
17. Install spring (13) and spring retainer (15) into gun
body (17).
18. Adjust spring retainer to allow approximately 1/32 in.
of free play on trigger.
19. Tighten stop nut (14).
20. Install o-ring (10) on adapter (9).
ti4045a
5. Install o-ring (4) on groove of packing nut (5).
6. Install guide (22) on needle (8).
7. Rewind spiral o-ring backup (21) on guide (22).
8. Install two o-rings (23) on guide (22).
9. Insert cartridge assembly in gun body (17) from rear
of gun.
10. Screw packing nut (5) into gun body (17).
11. Insert valve (20) through front of gun on needle (8).
21. With trigger retracted screw adapter (9) on gun body
(17).
22. While holding adapter (9) stationary, screw collar
(16) and nozzle into adapter. Do not over tighten
collar.
23. Reconnect flow gun to material supply line.
24. Turn on material supply line to gun.
25. Return flow gun to normal operating condition.
10309739
ti4050a
Service
Model 12006
Disassembly
1. With trigger (20) depressed, remove collar (17)
securing nozzle (18) to gun.
2. Remove nozzle (18), holding adapter (10) firmly to
prevent it from turning.
3. Remove gasket (9). Clean and inspect for damage.
4. Remove adapter (10) from gun body.
5. Remove both screws (12) and lock washers (25) on
one side of trigger (20) and push both trigger pins
(13) out of body.
6. Loosen lock nut (15) at rear of gun.
7. Unthread spring retainer (16) and remove spring
(14).
8. Loosen and remove adjustment screw (6) on packing nut (3) and pull needle assembly from rear of
gun. Inspect for damage, replace if needed.
9. Remove packing assembly from gun.
10. Unthread packing nut (3) from body.
11. Remove adjustment screw (6) and o-ring (5) and
seals (4).
Reassembly
Clean all parts thoroughly before reassembling. Check
them carefully for damage or wear. Replace parts as
needed. For best results replace the original parts with
new parts in repair kits.
Prior to assembly, lubricate all seals and o-rings with
PARKER-O-LUBE or an equivalent lubricant.
1. Replace o-ring (5) and seals (4) in packing nut (6).
Nut
Packing Nut
Packing Support
Needle
Yok e
Adjusting Screw
Seal
O-Ring
ti4057a
2. Thread packing nut (3) into gun body.
3. Install packing assembly through rear of gun.
4. Install needle assembly through rear of gun.
5. Install spring (14) and spring retainer (16) into gun
body. Adjust spring retainer to allow approximately
1/32 in. of free play on trigger.
6. Tighten lock nut (15).
7. Install trigger (20) and insert trigger pins (13) in gun
body.
8. Secure trigger pins (13) using screws (12) and lock
washers (25).
9. Replace o-ring (11). Lubricate with petroleum jelly to
aid in reassembly.
10. With trigger (20) retracted, screw adapter (10) into
gun body.
11. Insert gasket (9) in collar (17).
12. While holding adapter stationary, screw collar (17)
and nozzle (18) into adapter. Do not overtighten collar.
13. Reconnect flow gun to material supply line.
14. Turn on material supply line.
15. Return flow gun to normal operating condition.
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.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite
de ou en rapport, directement ou indirectement, avec les procédures concernées.
Graco Information
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.
Phone: 612-623-6921 or Toll Free: 1-800-328-0211, Fax: 612-378-3505
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.
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2002, Graco Inc. is registered to ISO 9001
This manual contains English. MM 309739
Graco Headquarters: Minneapolis
www.graco.com
Revised 1/2009
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