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TM 10-3835-219-14
3 - 1 3 . C h e c k V a l v e A s s e m b l y .
This task covers:
Replace
INITIAL SETUP
Tools
E q u i p m e n t C o n d i t i on
Repair Kit (Appendix C, Section 11,
Pump shut down (refer to applicable TM).
item 4 or 9) as applicable
R e p l a c e. (figure 3-11)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
Apply hose clamp (1) on each side of check valve (2).
Remove two bolts (3) and nuts (4) securing lower half of pipe coupling clamp (5) and upper half of pipe
coupling clamp (6) on one side of check valve.
Remove pipe coupling clamp halves and gasket (2).
Drain residual fuel into appropriate container.
Repeat procedures 2 and 3 for the opposite side of check valve.
Install new check valve, Place gasket (7) over one hose end, make certain gasket is flush with end.
Align check valve and hose couplings.
When couplings are in proper alignment, slide gasket (7) over joint and center it in place.
Position lower coupling clamp half (5), then position upper coupling clamp half (6).
Install two bolts (3) so that nuts (4) will be exposed on the upper coupling clamp half.
Hand-tighten nuts evenly, then using a wrench, tighten nuts evenly until the coupling faces just meet.
Continue tightening nuts evenly until both bolts are secure.
Repeat procedures 6 through 12 for opposite side of check valve.
Remove both hose clamps (1).
3 - 1 8
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