TM-9-2350-238-20-2

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

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1993

CHANGE 1

TM-9-2350-238-20-2 - Page 139 of 495

WARNING

TM 9-2350-238-20- 2

2-38. MAINTENANCE OF OPERATOR’S CUPOLA ,

This task covers: a.

Remova l

d.

Reassembl y

b.

Disassembly

e.

Installatio n

c .

Inspection/Repair

INITIAL SETU P

Tools and Special Tools

General mechanic’s tool kit, automotiv e

(appx B)

Shop equipment, automotive mainte -

nance and repair: organizationa l

maintenance, common no. 1, les s

power (appx B )

Wire brus h

Materials/Part s

Dry cleaning solvent (item 10, appx C)

Epoxy resin adhesive (item 2, appx C)

Grease (item 12, appx C)

Lockwasher (2) (MS35338-43 )

Lockwasher (2) (MS35338-48 )

Sealing compound (item 17, appx C )

Self-locking nut (MS20500-820 )

Reference s

TM 9-2350-238-24P- 2

General Safety Instruction s

Dry cleaning solvent is toxic an d

flammable. Wear protective goggle s

and gloves and use only in well-

ventilated areas .

REMOVAL

1

2

3

4

5

Place cupola vehicle hatch door (1) i n

upright position .

Remove two hexagon capscrews (2) an d

two Iockwashers (3) .

Remove cupola spring anchor (4) fro m

around cupola hinge torsion bar (5) .

Remove lubrication fitting (6) fro m

cupola hinge torsion bar (5) .

Remove cupola hinge torsion ba r

cupola vehicle hatch door (1) .

(5) and

2-9 9