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 134 of 462

4-38

TM 9-2330-238-14

4-25. CIRCUIT BREAKER JUNCTION BOX REPLACEMENT.

This Task Covers:

a.

Removal

b.

Installation

Initial Setup:

Equipment Conditions:

Materials/Parts:

●

Circuit breakers removed (para 4-23).

●

Marker tags (Item

●

Blackout light electromagnetic relay removed

(para 4-24).

Tools/Test Equipment:

●

General mechanic’s tool kit

15, Appendix E)

NOTE

Ail circuit breaker junction boxes are replaced in the same manner. The quantities of

mounting hardware, circuit breakers, wire leads, etc. will vary between models. M313

(Early Model) is shown.

1.

Disconnect and tag all internal electrical leads (2) from junction box (l).

2.

Remove ail external conduit connections (3) from junction box (l). Pull electrical leads (2) out of junction box.

3.

Remove junction box attaching screws (4) as required, and then remove junction box (1) from rear wall of

semitrailer.

b.

INSTALLATION

1.

Position junction box (1) in place on rear wall of semitrailer and line up mounting holes.

2.

install junction box attaching screws (4) as required, to secure junction box (1) to rear wall of semitrailer.