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Repair
312666R 41
Check Valves
1. Follow Pressure Relief Procedure, page
17.
2. Remove fluid manifold (M). Leave air con-
nected. Clean Fluid Manifold, page 27.
3. Flush gun to remove residual A and B com-
ponents. See Flush Gun, page 26. Follow
Pressure Relief Procedure, page 17.
4. Disconnect air (D).
5. Use hex nut driver to remove check valves
(44, 45).
6. Disassemble check valves using a flat
head screwdriver.
.
7. Clean and inspect all parts. Thoroughly
inspect o-rings (44e, 44f). Press on ball
(44b) to test check valve for proper move-
ment and spring action. Replace individual
check valve parts as needed.
F
IG
. 56
F
IG
. 57
CAUTION
To prevent cross-contamination of the check
valves, do not interchange A component and
B component parts. The A component check
valve is marked with an A.
TI12095a
M
TI12086a
D
F
IG
. 58
CAUTION
Damaged check valve o-rings (44e, 44f) may
result in external leakage. Replace o-rings if
they are damaged.
F
IG
. 59
44e
TI12099a
45
44e
44d
44c
44b
44a
44f
F