UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
VENTILATION AIR FAN AND MOTOR ASSEMBLY
Tools and Special Tools
Thread locking sealing compound
Automotive general mechanic's tool kit
ASH disconnected from power source
Contact with hot components can cause burns. Allow ASH to cool down before attempting service,
inspection, or maintenance activity.
Open side rear door (1) and side front door (2).
Remove four locknuts (3), screws (4), and eight washers (5). Discard locknuts.
Loosen two setscrews (6) and remove key (7).
Two people are required to remove the motor.
Turn motor (8) onto its base and slide motor off of fan assembly (9).
Lay motor (8) on its right side with junction box facing up.
Remove two screws (10) and cover (11). Gently remove wires (12) from junction box.
Tag and disconnect wires (12) and remove two wire nuts (13).
Remove two white wires (12) through hole in junction box on motor (8).