TM 9-4520-271-14
UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
CABINET REMOTE CONTROL BOX CABLE J3 ASSEMBLY
REMOVAL, REPAIR, INSTALLATION
INITIAL SETUP:
References
Test Equipment
None
None
Materials/Parts
Tools and Special Tools
Grommet (item 1, WP 0047 00)
Automotive general mechanic's tool kit
Lockwasher (item 25, WP 0062 00)
(item 10, WP 0058 00)
Rivet (item 6, WP 0062 00)
Blind riveter (item 2, WP 0058 00)
Sealing compound (item 16, WP 0061 00)
Crimping tool (item 6, WP 0058 00)
Wire marker tag (item 25, WP 0061 00)
Drill (item 6, WP 0058 00)
Wire tie (item 24, WP 0061 00)
Drill bit (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.
REMOVAL
1.
Tag and disconnect green wire GND/J2-G from transformer TR2 mounting screw (1).
2.
Tag and disconnect four wires J3-E/TB3-4, J3-F/TB3-7, J3-G/TB3-5, and J3-H/TB3-6 from terminal board TB3 (2).
3.
Tag and disconnect wire J3-B/TB2-2 from terminal board TB2 (3) and two wires J3-A/S1-67 and J3-D/S1-57 from
MODE SWITCH S1 (4).
4.
Cut wire ties as required.
5.
Route wires down through conduit (5) and through clamp (6).
6.
Remove dust cover (7), four screws (8), lockwashers (9), washers (10), nut plate (11), and connector (12) with attached
cable. Discard lockwashers.
7.
Drill out rivet (13) and remove dust cover (7).
8.
Remove grommet (14) from ventilation air fan housing (15). Discard grommet.
0041 00-1
