UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
SUPPLY AND RETURN DUCT AIR SCREENS
REMOVAL, INSPECTION, INSTALLATION
Tools and Special Tools
Automotive general mechanic's tool kit
ASH disconnected from power source
Supply and return duct cover assemblies
Contact with hot components can cause burns. Allow ASH to cool down before attempting service,
inspection, or maintenance activity.
Procedures are typical for the supply and return duct air screens.
Remove four nuts (1), lockwashers (2), screws (3), eight washers (4), four spacers (5), and duct air screen (6). Discard
Repeat step 1 to remove second duct air screen (6).