TM 5-5420-234-14&P
5-18. HOOK ARM HYDRAULIC TUBE (MAIN FRAME) REPLACEMENT (continued).
NOTE
Front clamp does not have a washer.
(7) Install tubes (25 and 26) on main frame (2) with three two-piece clamps (19), cover plates (18), two
washers (17), three new lockwashers (16), and screws (15).
15
16
17
18
17
18
19
19
15
16
12
~
13
14
2
12
WARNING
Main cylinder weighs 325 lb (148 kg). Attach suitable lifting device prior to
installation to prevent possible injury to personnel.
(8) Attach lifting device to main cylinder (7).
WARNING
Use care when removing retaining rings. Retaining rings are under tension and can
act as projectiles when released causing injury to personnel.
NOTE
It may be necessary to use soft faced hammer to align cylinder rod end with
clevis on main frame.
(9) With the aid of an assistant and using lifting device, lift main cylinder (7) into main frame (2) and install
pivot pin (11), shim (10) and new retaining ring (9).
5-119
