TM-9-2330-238-14

CHASSIS, SEMITRAILER: 6-TON, 4-WHEEL M295A1; SEMITRAILER, VAN: EXPANSIBLE, 6-TON, 4-WHEEL M313; SEMITRAILER, VAN: SHOP, FOLDING SIDES, 6-TON, 4-WHEEL M447 AND M447C; SEMITRAILER, VAN: REPAIR PARTS, SHOP EQUIPMENT, 6-TON, 4-WHEEL M749; SEMITRAILER, VAN: REPAIR PARTS STORAGE, 6-TON, 4-WHEEL M750

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1992

TM-9-2330-238-14 - Page 314 of 462

TM 9-2330-238-14

5-7. AXLE AND BRACKET ASSEMBLY SPRING SEAT MAINTENANCE.

This Task Covers:

a.

Removal

c.

Installation

b.

Cleaning, Inspection, and Repair

Initial Setup:

Materials/Parts:

Tools/Test Equipment:

●

Brush (Item 4, Appendix E)

Ž General mechanic’s tool kit

●

Grease (Item 7, Appendix E)

●

Field automotive supplemental no. 1 shop set

●

Lubricating oil (Item 8, Appendix E)

●

One jackstand

●

One gasket

●

Three floor jacks

●

One oil seal

●

Torque wrench

• One oil seal washer

●

Twelve Iockwashers

Personnel Required:

Two

References:

●

TM 9-214

a.

REMOVAL

1.

Support weight of semitrailer by raising axle and bracket assembly at end from which spring seat (4) is to be

removed. Support axle and bracket assembly with a suitable jackstand.

2.

Remove four nuts (5) and Iockwashers (6) from two U-bolts (2). Remove U-bolts and upper spring seat (3) from

main spring assembly (8), helper spring assembly (l), and spring seat (4). Discard Iockwashers.

3.

Loosen two bolts (7) from inner face of spring seat (4). Raise ends of front and rear axles until bottom of main

spring assembly (8) and spring center bolt are clear of spring seat.

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