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 TM 5-2420-224-34
CRANE
HYDRAULIC
MOTOR
REPAIR
(CONT)
4.
IF INSTALLING new mounting FLANGE (5),
BREAK seal seat CORNER with emery cloth.
5. INSTALL retaining ring (6), new SEAL (7),
and new seal (8) in mounting flange (5).
INSTALL new SEAL (9) in mounting flange
6.
(5).
7.
A P P L Y three or four drops of SEALING
COMPOUND to threads of manifold HOUSING
(2).
APPLY COAT of LUBRICATING OIL to output
8.
SHAFT (1), SEAL (7), and SEAL (9).
CAUTION
Make sure seals are
not
i n v e r t e d or damaged.
INSTALL mounting FLANGE (5), ROTATING
9.
SLOWLY while pushing down over output
shaft (1).
CAUTION
Do not overtighten vise jaws.
E x c e s s i v e clamping force may
d i s t o r t housing.
10.
PLACE crane hydraulic MOTOR in soft-jawed
vise by CLAMPING across PORTS.
11.
USING SOCKET, INSTALL four SCREWS
(10) and ALTERNATELY TIGHTEN to
250 lb-in. (28 N.m).
20-247
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