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Repair
309295L 25
Prepare the Gun for Service
NOTE:
• Check all possible remedies in Troubleshooting
before disassembling the gun.
• Use a vise with padded jaws to prevent damage to
plastic parts.
• Lubricate the power supply o-ring (18a) and the
plastic end of the fluid tube (14) with dielectric
grease (40).
• Lightly lubricate o-rings and seals with non-silicone
grease. Order Part No. 111265 Lubricant. Do not
over-lubricate.
• Only use genuine Graco parts. Do not mix or use
parts from other PRO Gun models. Note that the air
cap, spray tip, and tip guard for this gun are orange.
• Air Seal Repair Kit 244781 is available. The kit must
be purchased separately. Kit parts are marked with
an asterisk, for example (6*).
1. Flush the gun, page 16.
2. Relieve the pressure, page 24.
3. Disconnect the gun air and fluid lines.
4. Remove the gun from the worksite. Repair area
must be clean.
Tools Needed
• 2 mm driver (supplied)
• 4 mm driver (supplied)
• Multi-Tool (supplied)
• adjustable wrench
• medium screwdriver
• snap ring pliers
WARNING
Electric Shock Hazard
Installing and repairing this equipment
requires access to parts that may cause
electric shock or other serious injury if the
work is not performed properly. Do not install or ser-
vice this equipment unless you are trained and quali-
fied.
WARNING
Skin Injection Hazard
To reduce the risk of injury, follow the Pres-
sure Relief Procedure on page 24 before
checking or repairing any part of the system
and whenever you are instructed to relieve
the pressure.
WARNING
Some PRO Xs4 AA Gun replacement parts look sim-
ilar to other PRO Gun parts but are not interchange-
able! When repairing, do not mix or use other
PRO Gun parts that may look similar, but have
different part numbers! Use of parts other than
those specified in the PRO Xs4 AA Gun parts lists
could alter the grounding continuity of the gun, cause
parts to leak or rupture, or cause the gun to malfunc-
tion and result in serious injury, fire, explosion, or
property damage.