TM 9-4520-271-14
UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
HEAT EXCHANGER ASSEMBLY
DISASSEMBLY, REPAIR, ASSEMBLY
INITIAL SETUP:
Materials/Parts Continued
Test Equipment
General purpose detergent (item 4, WP 0061 00)
None
Lockwasher (item 23, WP 0062 00)
Lockwasher (item 33, WP 0062 00)
Tools and Special Tools
Sealing compound (item 17, WP 0061 00)
Automotive general mechanic's tool kit
Wiping rag (item 14, WP 0061 00)
(item 10, WP 0058 00)
Wire marker tag (item 25, WP 0061 00)
Wire tie (item 24, WP 0061 00)
Personnel Required
One
Equipment Condition
ASH disconnected from power source
References
FM 10-67-1
Supply duct air screen removed (WP 0025 00)
Supply duct cover assembly removed
Materials/Parts
Anti-seize compound (item 2, WP 0061 00)
Braided shield (item 68, WP 0047 00)
WARNING
Contact with hot components can cause burns. Allow ASH to cool down before attempting service,
inspection, or maintenance activity.
DISASSEMBLY
Flame Detector Removal
1.
Remove eight nuts (1), lockwashers (2), washers (3), and thermostat assembly (4). Discard lockwashers.
2.
Tag and disconnect braided wire (5).
3.
Remove cover plate (6) and gasket (7).
0037 00-1