TM-9-2350-261-20-4

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 4 OF 4

TM-9-2350-261-20-4 - Page 232 of 767

TM 9-2350-261-20-4

REPLACE M3 NBC HEATER CONTROL BOX (M1068 ONLY)

0683 00

THIS WORK PACKAGE COVERS:

Removal (page 0683 00-1).

Installation (page 0683 00-2).

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Materials/Parts

Lockwasher (4)

Lockwasher

Tie strap

Personnel Required

Unit Mechanic

Equipment Condition

Engine stopped (see your -10)

Carrier blocked (see your -10)

Battery ground lead disconnected (WP 0294 00)

Master switch panel assembly opened (WP 0221 00)

REMOVAL

1.

Remove screw (1), lockwasher (2), and circuit 536 cable (3) from bus bar (4) in distribution box (5). Discard lockwasher.

2.

Cut tie strap (6) that secures cable (3) to wiring harness (7). Discard tie strap.

3.

Disconnect wiring harness (7) from control box (8).

4.

Remove four screws (9), washers (10), lockwashers (11), and control box (8) from driver’s sponson. Discard

lockwashers.

5.

Remove four screws (12), washers (13), and cover (14) from control box (8).

6.

Remove screw (15) and terminal of cable (3) from circuit breaker (16). Pull cable and grommet (17) from control box (8).

7.

Install cover (14), four washers (13), and screws (12) on control box (8).

068300-1