TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-15. ERECTION CYLINDER REPAIR (CONT).
c.
Assembly.
(1)
Install wiper ring (1) in retaining ring (2).
(2)
Install retaining ring (2) on rod (3).
(3)
Install wear ring (4), seal (5), and backup ring (6) in head (7).
(4)
Install head (7) on rod (3).
(5)
Install preformed packing (8) and backup ring (9) on head (7).
NOTE
Do step (5.1) for Model A only.
(5.1)
Install spacer (8.1) on rod (3).
17-74
Change 3
