Repair; Filter Screen Removal And Service - Graco 295530 Operation, Parts, Service And Repair

Repair

Repair
Shut down proportioner and allow chemicals to
cool before performing any repair procedures.
Clean Center Line Components using Gun
Service Kit prior to performing any repair pro-
cedures.
Filter Screen Removal and
Service
1. Perform Pressure Relief Procedure (page
16) and Clean Spray Gun Procedure, page
21.
2. Unthread screen mounting screw. Remove
screen mounting screw and filter screen
assembly from gun block.
Screen Screw
Mounting Screw
F . 17: Filter Screen Assembly
IG
3. Remove screen screw retainer (snap ring
at end of screw) and screen. If screen is
dirty and clogged, replace it.
22
Seal
Screen
Snap Ring
4. Clean and inspect screen cavity. If particles
are visible, remove with cleanout drills and
flush thoroughly with gun cleaner.
CAUTION
Any remaining material in cavity on down
stream side of screen will clog mixing cham-
ber.
5. Inspect seal, and replace if worn or dam-
aged.
6. Reinstall filter screen assembly. With seal
in place, install screen and retainer clip-on
screen screw.
7. Install screen assembly to gun block.
Ensure screw is tight to prevent leakage.
8. Flush gun after cleaning cavity and screen.
See Clean Spray Gun Procedure, page 21.
311320J