TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-41. OUTRIGGER INNER AND OUTER BEAM CYLINDER REPAIR (M984E1) (CONT).
(6)
(’7)
(8)
(9)
(10)
(11)
(12)
Install backup ring (9), preformed packing (10),
and backup ring (9) in piston (11).
Install piston (11) on rod (3).
Install wear ring (12), preformed packing (13),
two piston rings (14), and wear ring (12).
Install nut (15) on rod (3) and torque nut (15) to
110 lb-ft (149.1 N • m).
Install rod assembly (3) in
cylinder (16).
Apply thread locking and sealing
compound and install retaining
ring (2).
Install setscrew (17).
NOTE
Apply lubricant to preformed packings before
installing.
(13)
(14)
(15)
(16)
(17)
(18)
Install preformed packing (18).
Install preformed packing (19) and retaining
ring (20).
Install preformed packing (21) and two
retaining rings (22).
Repeat steps (13) through (15) for other
holding valve.
Install two holding valves (23).
Install two fittings (24) and preformed
packings (25) in holding valves (23).
d. Follow-on Maintenance. None.
END OF TASK
17-176Change 2
