TM 9-2350-261-20-4
REPLACE M3 NBC HEATERS AND CONTROLLERS (M113A2
AMBULANCES ONLY)
THIS WORK PACKAGE COVERS:
Removal (page 0687 00-1).
Installation (page 0687 00-3).
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)
Locknut (24)
Tie strap (AR)
REMOVAL
1.
Disconnect circuit lead 537A (1) and circuit lead 537B (2) from upper and lower heaters (3) and (4) on right side of
carrier.
2.
Loosen clamps (5) and (6). Remove upper and lower outlet hoses (7) and (8) from upper and lower heater (3) and (4).
Loosen clamps (9) and (10). Remove upper and lower inlet hoses (11) and (12) from upper and lower heaters (3) and (4).
3.
4.
Remove eight screws (13), 16 washers (14), eight locknuts (15), and upper and lower heater (3) and (4) from bracket
(16). Discard locknuts.
5.
If damaged, remove two screws (17), lockwashers (18), and bracket (16) from hull top plate. Discard lockwashers.
