TM 5-5420-234-14&P
6-2.
HOOK ARM/MAIN FRAME CYLINDER REPAIR (continued).
LIFTING
3
DEVICE
2
BLOCKS
CHAIN
VISE
1
TRANSFER
5
TUBE
4
CAUTION
Use care when installing piston in cylinder. Failure to comply will result in damage
to seals.
NOTE
Screw hole halves in the rod bearing and cylinder should be aligned when
installed properly.
(13) With the aid of an assistant, install piston (5) with rod (2) and rod bearing (4) in cylinder (1).
(14) Install rod bearing (4) in barrel (1) and align bearing to barrel screw hole halves. If rod bearing was
replaced, drill new screw hole 0.440 inch (11.2 mm) deep using 0.147 inch (3.73 mm) drill.
(15) Install screw (3) in rod bearing (4).
WARNING
Hook arm cylinder weighs 210 lb (95 kg). Main frame cylinder weighs 325 lb (148 kg).
Attach suitable lifting device prior to lifting to prevent possible injury to personnel.
(16) Using lifting device, remove cylinder (1) from chain vise.
d. Follow-on Maintenance:
None.
END OF TASK
6-9/(6-10 blan-9
6k)
