TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 886 of 1364

TM 9-2350-238-20-1

2-148. MAINTENANCE OF IDLER

ATTACHING PARTS, AND

1

2

3

4

5

6

7

8

Install idler wheel bar (1), two hexagon

head capscrews (2), two flat washers (3),

and two new self-locking nuts (4) to pivot

arm assembly (5).

Coat outside edge of new plain encased

seal (6) with sealing compound.

Using seal inserter (item 12, appx G) and

remover and replacer handle, install new

plain encased seal (6) in arm to wheel

support roadwheel flange (7).

Lubricate new preformed packing (8) with

grease.

Install new preformed packing (8) in

groove of arm to wheel support roadwheel

flange (7).

Coat arm to wheel support roadwheel

flange (7) and hull-to-flange mounting

surface with sealing compound.

Install arm to wheel support roadwheel

flange (7) and new plain encased seal (8)

on pivot arm assembly (5).

NOTE

Maintain a 0.010 to 0.015 in. (0.254

to 0.381 mm) clearance between

roller bearing and arm to wheel

support roadwheel flange.

Install new inner bearing ring (9) and new

roller bearing (10), using bearing inserter.

WHEEL ARM AND HUB ASSEMBLY AND

IDLER WHEEL ARM AND HUB (CONT).

2-860