TM 9-4520-271-14
UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
FRESH AIR DAMPER ASSEMBLY
DISASSEMBLY, REPAIR, ASSEMBLY
INITIAL SETUP:
References
Test Equipment
None
None
Materials/Parts
Tools and Special Tools
Chain (item 61, WP 0047 00)
Automotive general mechanic's tool kit
Gasket (item 62, WP 0047 00)
(item 10, WP 0058 00)
Gasket (item 63, WP 0047 00)
Gasket punch (item 6, WP 0058 00)
Lockwasher (item 27, WP 0062 00)
Shears (item 6, WP 0058 00)
Equipment Condition
Personnel Required
ASH disconnected from power source
One
WARNING
Contact with hot components can cause burns. Allow ASH to cool down before attempting service,
inspection, or maintenance activity.
DISASSEMBLY
1.
Remove 19 screws (1), lockwashers (2), washers (3), two cables (4), fresh air damper assembly (5), and gasket (6).
Discard lockwashers.
2.
Remove two nuts (7), lockwashers (8), washers (9), screws (10), and door assembly (11). Discard lockwashers.
3.
Remove gasket (12) from door assembly (11).
4.
Remove nut (13), lockwasher (14), washer (15), chain (16), and screw (17). Discard lockwasher and chain.
5.
Remove two stud retainer rings (18) and studs (19).
6.
Remove two retainer rings (20) and grommets (21).
0044 00-1