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 142 of 495

WARNING

TM 9-2350-238-20- 2

2-38. MAINTENANCE OF OPERATOR’S CUPOLA (CONT) .

INSTALLATION

1

2

3

4

5

Dry cleaning solvent is toxic an d

flammable. Wear protective goggle s

and gloves and use only in well-

ventilated areas .

If operator’s cupola ring cushioning pa d

(1) was removed, use dry cleaning solven t

(item 10, appx C) and wire brush t o

remove residual adhesive from mountin g

surface of cupola ring (2) .

Apply epoxy resin adhesive (item 2, appx

C) to bonding surfaces of cupola ring (2)

and operator’s cupola ring cushioning pa d

(1). Install operator’s cupola ring cushion-

ing pad. Center in cupola within 0.03 in .

(0.08 cm) total and bend tabs (3) o n

operator’s cupola ring cushioning pad t o

hold firmly in place .

NOT E

Cupola hinge torsion bar (4) shall b e

installed so that cupola vehicle hatc h

door (5) will have equal torsion i n

open and closed positions .

Install cupola vehicle hatch door (5) an d

cupola hinge torsion bar (4) .

Install lubrication fitting (6) in cupola hing e

torsion bar (4) and fill with grease (ite m

12, appx C) .

Install cupola spring anchor (7) on top o f

cab and interlock cupola hinge torsion bar

(4). Secure cupola spring anchor with tw o

new Iockwashers (8) and two hexago n

capscrews (9) .

2-10 2