TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 101 of 327

TM 9-2350-238-34-2

2-28. MAINTENANCE OF BOOM AND WINCH–CONTROL CYLINDERS AND AT-

TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY (CONT).

REI10VAL (CONT)

11

12

13

Use hoist with minimum lifting

capacity of 2000 lb (908 kg) to pre-

vent injury to personnel

and damage

to equipment.

NOTE

Another M578 Recovery Vehicle or

M88A1 Recovery Vehicle may be

used, if available, for lifting.

Lift boom winch control cylinder assem-

bly (4) and move to cab door.

Remove sling. Reset sling around boom

winch control cylinder assembly (4) from

outside of cab door.

Lift boom winch control cvlinder assem-

bly (4) through cab door and lower to

ground.

NOTE

Disassembly procedures

are written

and illustrated for one boom winch

control cylinder assembly but apply

to both.

1 Remove two machine thread plugs (1) and

two preformed packings (2) from cylinder

boom barrel (3).

2 Remove cotter pin (4) from cylinder boom

barrel (3).

3 Remove four socket head capscrews (5)

from boom cylinder head externally

threaded ring (6).

2-88