Graco 333013B, Instructions - Parts Manual

Page: 38 / 62

Repair
38 333013B
Repair
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 some packing rod parts (2) and certain
fluid fittings with dielectric grease (36), as specified
in the text.
• 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.
• Air Seal Repair Kit 24W396 is available. The kit
must be purchased separately. Kit parts are marked
with an asterisk, for example (6a*).
Remove the Gun from the
Manifold
1. Follow the Fluid Voltage Discharge and Ground-
ing Procedure , page 22.
2. Flush and clean the gun, page 26.
3. Follow the Pressure Relief Procedure , page 22.
4. Remove the air cap (25) and shroud (26), page 39.
5. Loosen the strain relief bracket.
6. Disconnect the fluid hose fitting (600A) from the gun
barrel (1).
7. Loosen two manifold screws (21) and remove gun.
NOTE: The screws (21) should stay on the manifold and
the five o-rings (18) should stay on the gun.
Install the Gun on the Manifold
1. Make sure the five o-rings (18) are in place.
2. Secure the gun to the manifold by tightening the two
manifold screws (21).
3. Make sure the hose fittings and barrel are clean and
dry, then reconnect the Waterborne Fluid Hose,
page 16.
4. Tighten strain relief screws.
5. Reinstall the gun shroud (26) and air cap (25), page
39.
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 service this equipment
unless you are trained and qualified.
Contact with the charged components of the spray
gun will cause an electric shock. Do not touch the
gun nozzle or electrode or come within 4 in. (102
mm) of the front of the gun during operation or until
performing the
Fluid Voltage Discharge and
Grounding Procedure
To reduce the risk of injury, follow the Pressure
Relief Procedure before checking or servicing any
part of the system and whenever you are instructed
to relieve the pressure.
F
IG
. 25 Remove Gun from Manifold
21
21
18