TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17.8.1. SWING DRIVE BRAKE REMOVAL/REPAlR/lNSTALLATlON (M984El) (CONT).
(3) Remove stator (6), disc (7), stator (8), and disc (7) from end
cover (5).
b. Disassembly.
(1) Remove elbow (1).
(2) Remove piston assembly (2) and six springs (3) from
cylinder housing (4).
(3)
(4)
(5)
(6)
Remove packing retainer (5) and
preformed packing (6) from piston (2).
Remove piston (2) from cylinder
head (7).
Remove packing retainer (8) and
preformed packing (9) from cylinder
head (7).
Remove packing retainer (10) and
preformed packing (11) from cylinder
head (7).
17-38.2