TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-17. LIFT CYLINDER REPAIR (CONT).
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Install wear ring (4), seal (5), and backup
ring (6) in head (7).
Install backup ring (8) and preformed
packing (9) on head (7).
Install head (7) and spacer (10) on rod (3).
Install backup ring (11), preformed packing (12), and
backup ring (11) in piston (13).
Install piston (13) on rod (3).
Install wear ring (14), preformed packing (15), two
backup rings (16), and wear ring (14).
Install and tighten nut (17) to 100 lb-ft (135.6 N•m).
Install rod assembly (3) in
cylinder (18).
WARNING
Adhesives, solvents, and sealing
compounds can burn easily, can give
off harmful vapors, and are harmful
to skin and clothing. To avoid injury
or death, keep away from open fire
and use in well-ventilated area. If
adhesive, solvent, or sealing
compound gets on skin or clothing,
wash immediately with soap and water.
(11) Apply sealing and thread locking compound and install retaining ring (2).
(12) Install setscrew (19).
17-82
