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TM 1-4920-458-13&P
4-43.
REMOVE AND REPLACE CHECK VALVES (Cont)
(Sheet 2 of 2)
4-43.1. REMOVAL
a.
Remove rigid pressure line (1) from elbow fitting (2).
b.
Remove two screws (3) and bracket (4).
c.
Remove check valve (5), with elbow fitting (2) attached, from oil sump (6).
d.
Remove elbow fitting (2) from check valve (5).
e.
Remove rigid pressure line (7) from fitting (8).
f.
Remove check valve (9) from oil reservoir (10).
g.
Remove fitting (8) from check valve (9).
4-43.2. INSTALLATION
a.
Apply Sealube (D6) to threads of fittings (2 and 8) and threads of check valves (5 and 9).
b.
Install fitting (8) on check valve (9).
NOTE
Ensure check valve arrow is pointed to rear of test set when installed.
c.
Install check valve (9), with fitting (8) attached, to oil reservoir (10).
d.
Install rigid pressure line (7) to fitting (8).
e.
Install elbow fitting (2) to check valve (5).
f.
Install check valve (5), with elbow fitting (2) attached, to oil sump (6).
g.
Install two screws (3) and bracket (4).
h.
Install rigid pressure line (1) to elbow fitting (2).
4-43.3. FOLLOW ON MAINTENANCE
Performance check (para. 2-5)
END OF TASK
4-63
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