TM 9-2350-261-20-4
REPLACE M3 NBC HEATER CONTROL BOX (M1068 ONLY)
THIS WORK PACKAGE COVERS:
Removal (page 0683 00-1).
Installation (page 0683 00-2).
INITIAL SETUP:
Personnel Required
Maintenance Level
Unit Mechanic
Unit
Equipment Condition
Tools and Special Tools
Engine stopped (see your -10)
General Mechanic's Tool Kit (WP 0780 00, Item 29)
Carrier blocked (see your -10)
Materials/Parts
Battery ground lead disconnected (WP 0294 00)
Lockwasher (4)
Master switch panel assembly opened (WP 0221 00)
Lockwasher
Tie strap
REMOVAL
1.
Remove screw (1), lockwasher (2), and circuit 536 cable (3) from bus bar (4) in distribution box (5). Discard lockwasher.
Cut tie strap (6) that secures cable (3) to wiring harness (7). Discard tie strap.
2.
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
Remove four screws (12), washers (13), and cover (14) from control box (8).
5.
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).
