TM-9-2330-227-14-P

SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1985

TM-9-2330-227-14-P - Page 120 of 576

TM 9-2330-227-14&P

4-42

JUNCTION BOXES, 110-VOLT

This task covers:

a. Removal (page 4-42)

b. Installation (page 4-45)

INITIAL SETUP

Tools

Personnel Required

Drill, electric, portable, l/2-inch

One

Drill, twist, 3/16-inch

Hammer, hand, ball-peen, 2-lb

Equipment Condition

Pliers, long round-nose

Punch, drive pin, 3/16-inch

Circuit breakers removed (page 4-40),

Screwdriver, cross-tip, number two

Screwdriver, flat-tip, 3/16-inch

ACTION

LOCATION

ITEM

REMARKS

WARNIN G

Contact with live 110-volt electrical wires could result in serious injury or death. Make

sure power source is disconnected before performing maintenance on the electrical

system.

NOT E

Both junction boxes are removed and installed the same way. This task is for one;

repeat for the other.

Tag wires to aid in installation (page 4-4). If circuit marker bands are missing or not

readable, replace (page 4-73).

REMOVAL

1.

Bus bar (1) and

two ground

contacts (2)

2.

3.

Box (5) and

nipple pipe (6)

Six screws (3)

Using 3/16-inch flat-tip screwdriver,

unscrew part way.

Seven wire ends (4)

Pull out.

Bushing (7) and

a. Using 3/16-inch drive pin punch and

nut (8)

ball-peen hammer, tap bottom of

nut (8) toward van body (9) until

loose.

b. Unscrew nut (8), and take off.