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 519 of 1440

TM 9-2350-256-20-2

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UNIT MAINTENANCE

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

NSN 2350-00-122-6826, EIC AQA

ROADWHEEL ARM

ASSEMBLY

REPLACEMENT

REMOVAL, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Toolkit, general mechanic’s (item 59, WP 0490 00)

Handle (item 19, WP 0490 00)

Replacer (item 47, WP 0490 00)

Wrench, spanner (item 66, WP 0490 00)

Wrench, torque, 0–175 lb-ft (0–237 N•m) (item 67, WP

0490 00)

Materials/Parts

Grease, GAA (item 13, WP 0489 00)

Oil, OE (item 22, WP 0489 00)

Gaskets (12) (item 192, WP 0491 00)

Lockwashers (72) (item 652, WP 0491 00)

Nuts, bearing (12) (item 193, WP 0491 00)

Materials/Parts (cont.)

Screws (72) (item 415, WP 0491 00)

Seals (12) (item 345, WP 0491 00)

Washers, key (12) (item 194, WP 0491 00)

Personnel Required

Mechanics (2)

Equipment Condition

Roadwheel removed (see WP 0274 00)

Torsion bar removed (see WP 0275 00)

Compensating idler link or shock absorber disconnected

(see WP 0281 00 or WP 0285 00)

Track tension loosened (refer to TM 9-2350-256-10)

Removal

1.

Remove six screws (1) and six lockwashers (2) from roadwheel arm retainer (3).

WARNING

Roadwheel arm assembly is heavy, use care when removing roadwheel arm assembly to avoid injury.

2.

Remove roadwheel arm assembly (4) and gasket (5) from roadwheel arm support housing (6) using two removed screws

(1) as jackscrews in holes (7) provided.

3.

Bend back and straighten tangs of key washer (8) from bearing nut (9).

4.

Remove bearing nut (9) and key washer (8).

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