UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
CABINET REMOTE CONTROL BOX CABLE J3 ASSEMBLY
REMOVAL, REPAIR, INSTALLATION
Tools and Special Tools
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.
Tag and disconnect green wire GND/J2-G from transformer TR2 mounting screw (1).
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).
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).
Cut wire ties as required.
Route wires down through conduit (5) and through clamp (6).
Remove dust cover (7), four screws (8), lockwashers (9), washers (10), nut plate (11), and connector (12) with attached
Drill out rivet (13) and remove dust cover (7).
Remove grommet (14) from ventilation air fan housing (15). Discard grommet.