DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
DISASSEMBLY, REPAIR, ASSEMBLY
Tools and Special Tools
Automotive general mechanic's tool kit
Petal valve can be damaged by rough handling. Be careful when disassembling the burner assembly so that
the petal valve is not damaged.
When removing the block assembly, the fuel tube, electrodes, and tube assembly will also come out. The
O-ring on the block assembly may cause difficulty during removal. If the block assembly is difficult to
remove, apply light pressure to the nozzle.
Remove three setscrews (1).
Remove block assembly (2) from flange (3).
Remove O-ring (4).
Remove screw (5) and fire ring (6).
Remove two setscrews (7), electrodes (8), O-rings (9), and sleeves (10).
Remove screw (11), lockwasher (12), and tube assembly (13). Discard lockwasher.