TM 9-4520-271-14
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
BURNER ASSEMBLY
DISASSEMBLY, REPAIR, ASSEMBLY
INITIAL SETUP:
Test Equipment
Materials/Parts
None
Cleaning compound solvent (item 3, WP 0061 00)
General purpose grease (item 11, WP 0061 00)
Lockwasher (item 31, WP 0062 00)
Tools and Special Tools
Automotive general mechanic's tool kit
Lockwasher (item 32, WP 0062 00)
(item 10, WP 0058 00)
O-ring (item 36, WP 0062 00)
O-ring (item 38, WP 0062 00)
Retaining sealing compound (item 19, WP 0061 00)
Personnel Required
Sealing compound primer (item 13, WP 0061 00)
One
Equipment Condition
References
Burner assembly removed (WP 0036 00)
None
DISASSEMBLY
CAUTION
Petal valve can be damaged by rough handling. Be careful when disassembling the burner assembly so that
the petal valve is not damaged.
NOTE
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.
1.
Remove three setscrews (1).
2.
Remove block assembly (2) from flange (3).
3.
Remove O-ring (4).
4.
Remove screw (5) and fire ring (6).
5.
Remove two setscrews (7), electrodes (8), O-rings (9), and sleeves (10).
6.
Remove screw (11), lockwasher (12), and tube assembly (13). Discard lockwasher.
0053 00-1
