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40 312666R
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
IG
. 54 for an example of the correct
and incorrect seal installation.
13.Liberally lubricate and reinstall side seal
assemblies (42, 43). Use hex nut driver to
tighten.
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 mix chamber nozzle when gun is trig-
gered, inspect mix chamber and side seals.
Correct the problem before attaching fluid
manifold.
16.Attach fluid manifold (F). Connect air.
Return gun to service.
F
IG
. 54
Correct Seal Installation
Incorrect Seal Installation
Cross Hole
TI12639a
TI12640a
Cross Hole
F
IG
. 55
TI12096b
B
A
2a
43
42
F