TM 9-2350-247-20-3
REPLACE VEHICLE COMPARTMENT HEATER CONTROL BOX Continued
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REMOVAL
NOTE
Removal of heater control box is similar for M548A1 and M548A3. Differences are noted in
steps.
1.
Remove heater control box lead (1) from circuit 400D lead (2).
2.
Remove heater wiring harness (3) from receptacle (4) on heater control box (5).
3.
Remove screw (6), two lock washers (7), and ground lead (8) from heater control box (5). Discard lock washers.
4.
Remove two lock nuts (9), washers (10), mounts (11), and heater control box (5) from hull. Discard lock nuts (M548A1).
5.
Remove two lock nuts (9), washers (10), mounts (11), mounts (12), and heater control box (5) from bracket (13).
Discard lock nuts (M548A3).
6.
Remove two screws (14), bracket (13), and two lock nuts (15) from hull. Discard lock nuts. (M548A3).
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