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 TM 5-5420-279-23
a.
Remove
(1)
De-pressurize hydraulic system. Refer
to unit maintenance procedure 5-118.
(2)
Drain the brake oil through the brake
oil drain (3).
(3)
Drain the rotate gear oil through the
rotate gear drain (2).
(4)
Remove the hydraulic pipes (4)
connected to the pump (5).
(5)
Remove the twelve bolts (6) and
washers (7) securing the rotate gear
assembly (1) to the crane housing (8).
(6)
Lift the rotate gear assembly (1) clear
of the crane housing (8).
(7)
Check the bolts (6) and washers (7) for
damage.
(8)
Renew components as necessary.
b.
Install
(1)
Align the pinion (9) with the rotate gear
ring in the crane housing (8).
(2)
Secure the rotate gear assembly (1)
with the twelve bolts (6) and washers
(7). Torque to 130 lb/ft.
(3)
Connect the hydraulic pipes (4) to the
pump (5).
(4)
Fill the rotate gear oil and the brake
gear oil in accordance with operator's
maintenance procedure in TM 5-5420-
279-10.
c.
Follow on task
(1)
Check the operation of the crane in
accordance with the operator's manual
TM 5-5420-279-10.
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