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 TM 5-2420-224-34
CRANE
EXTERNAL
END
EXTENSION
CYLINDER
REPAIR
(CONT)
INSTALL ROD assembly (8) in housing (14).
6.
7.
USING SPANNER WRENCH, THREAD HEAD
(5) into housing (14) and TIGHTEN to 250
Ib-ft (339 N.m).
INSTALL new PACKING (15), new backup
8.
RING (16), new PACKING (17), new backup
RING (18), new PACKING (19), and new
backup RING (20) on each counterbalance
valve (21).
INSTALL two counterbalance VALVES (21) in
9.
housing (14).
NOTE
Follow-on Maintenance:
Install crane external end
e x t e n s i o n cylinder (TM 5-2420-
224-20).
20-211
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