TM-9-2350-256-20-2

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 2 OF 2

JUNE 2005

TM-9-2350-256-20-2 - Page 558 of 1440

TM 9-2350-256-20-2

0283 00

7.

Remove 11 bolts (11), 11 bushings (12), and 11 nuts (13).

WARNING

Sprocket is heavy. If sprocket is dropped, it may cause serious injury.

8.

Remove inner sprocket (10) by installing three jackscrews (14) in three holes provided. Tighten jackscrews evenly and

remove sprocket.

Installation

WARNING

Sprocket is heavy. If sprocket is dropped, it may cause serious injury.

1.

Install inner sprocket(10), 11 bushings (12), and 11 bolts (11) to track-drive hub (9). Torque bolts to 225–250 lb-ft(305–339

N•m).

2.

Lubricate threads of 11 bolts (11) and 11 nuts (13) with GAA grease and install nuts. Torque nuts to 70–90 lb-ft (95–122

N•m).

WARNING

All personnel are to stand clear of vehicle hull when lifting. Sling failure may cause severe injury or

death.

3.

Install lifting sling assembly and sling assembly on track-drive hub (9).

4.

Loosely install track-drive hub (9) and sprocket (10) with dowel nut (8) to prevent track-drive hub from falling. Remove

lifting sling assembly and sling assembly.

5.

Lubricate mating surfaces of flange on final drive and track-drive hub (9) with GAA grease.

0283 00-4