TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-38.
OUTRIGGER EXTENSION CYLINDER REMOVAL/INSTALLATION (CONT).
(4)
Remove two pins (10).
(5)
Soldier A guides five hoses (1, 2,
and 3) through hole in beam (8)
while Soldier B removes
cylinder (11) and hoses (1,2,
and 3).
NOTE
Some models of beams have plastic edge
protection around opening for hoses. Do
step (5.1) for this model.
(5.1) If damaged, remove plastic edge
protection (11.1) from hose
opening in beam (8).
(6)
Disconnect four hoses (12 and 13).
(7)
Disconnect two hoses (14 and 15) and
hose (2) from cylinder (11).
(8)
Remove tee (7) from hoses (14 and 15).
(9)
Disconnect four hoses (1 and 3) from
cylinder (11).
b. Installation.
(1)
Connect four hoses (1 and 2) to
cylinder (3).
(2)
Connect two hoses (4 and 5) with tee (6).
(3)
Connect hoses (4 and 5) to cylinder (3).
(4)
Connect hose (7) to cylinder (3).
(5)
Connect four hoses (8 and 9) to
cylinder (3).
17-166
Change 3