Graco Fusion CS 312666F Manual page 40

Repair
12. Check for proper spring (42b) operation,
and that the seal (42c) rotates slightly in the
seal housing (42a) detents.
When the seal is installed correctly the
spring will be flexible and all four cross
holes of the seal will be completely visible.
See F . 53 for an example of the correct
IG
and incorrect seal installation.
Correct Seal Installation
Cross Hole
Incorrect Seal Installation
Cross Hole
F . 53
IG
40
13. Liberally lubricate and reinstall side seal
assemblies (42, 43). Use hex nut driver to
tighten.
43
F . 54
IG
14. Attach Front End, page 37.
15. Connect air, and trigger the gun a few times
to check for leaks. If purge air leaks from
TI12639a
mix chamber nozzle when gun is triggered,
inspect mix chamber and side seals. Cor-
rect the problem before attaching fluid man-
ifold.
16. Attach fluid manifold (F). Connect air.
Return gun to service.
TI12640a
B
F
2a
A
TI12096a
42
312666F