TM 10-4520-262-12&P 0029 00
UNIT MAINTENANCE
SPACE HEATER, CONVECTIVE
(NSN 5420-01-431-8927)
0029 00-1
COMBUSTION AIR INLET ASSEMBLY
REPLACE
INITIAL SETUP
Tools
Materials/Parts
Tool Kit, General Mechanics (Item 1, WP 0044 00)
Equipment Condition
Heater shut down and all advisory lights off. (WP
0006 00)
In-tent controller assembly disconnected from
heater. (WP 0006 00)
Fuel source disconnected. (WP 0006 00)
Upper housing assembly removed (WP 0030 00)
WARNING
The ignition system of this heater contains dangerous voltages which can cause severe
electrical shock. Be sure to disconnect battery pack connector before performing any
maintenance actions.
REPLACE
1. To replace the combustion air inlet assembly (1), turn the two, quarter-turn screws (2) securing
the combustion air inlet cover (3) until they release and remove the cover from the lower housing
assembly (4).
2. Remove the two screws (5) that secure the combustion air inlet assembly bracket (6) to the lower
housing assembly (4).
3. Grasp the combustion air inlet fitting (7) and pull it off the end of the combustion air inlet assembly
(1).
4. Loosen the hose clamp (8) on the end of the combustion air inlet assembly (1) that connects to
the combustion air blower assembly inlet (9) located inside the heater and pull the combustion air
inlet assembly off the combustion air blower assembly inlet (9). Remove the clamp (8) from the
combustion air inlet assembly (1) and set aside.
5. Pull the combustion air inlet assembly (1) out of the heater from the outside of the lower housing
assembly (4).
