TM 10-4520-261-12&P
SPACE HEATER ARCTIC (SHA)
0021 00
UNIT MAINTENANCE
0021 00-1
BURNER SHELL AND DOWN TUBE ASSEMBLIES
THIS SECTION COVERS:
Service
INITIAL SETUP
SHA shut-down and cool (WP 0005)
Solid Fuel Grate and Burner Cover Assembly
removed from burner body
Maintenance Level
Unit
Tools and Special Tools
Materials/Parts
General Mechanic Tool Kit (WP 0025, Table 2, Item 1)
Wiping Rags (WP 0046, Table 1, Item 1)
SERVICE
Unlatch/open door assembly (1).
Open lid assembly (2).
Reach into burner shell assembly (3) and pull down tube assembly (4) from up-tube (5) (may need to
twist off).
Remove cleaning tool (6) from storage enclosure (7).
Reach into burner shell assembly (3) and insert reaming tool (6) fully into up-tube (5) (may need to twist
tool into up-tube).
Twist tool (6) out of up-tube (5) to scrape off residue.
Insert tool (6) and move in and out of the up-tube several times.
Loosened residue will burn off in next use of heater in liquid fuel mode.
Use a wire brush to loosen any heavy deposits of carbon or soot from inside of burner shell assembly (3),
and down tube assembly (4).
CAUTION!
Heater Malfunction
Do not allow any water to remain in the burner up-tube. This may result
in poor operation of the heater next time it is used.
Wash inside of burner shell assembly (3), outside of up-tube (5) and down tube assembly (4), with hot,
soapy water. Be careful not to leave water in up-tube. Be sure to wipe out all loose debris in bottom of
the burner shell assembly (3).
