TM-9-2540-207-14-P

HEATER, VEHICULAR COMPARTMENT, MODEL: A20

TECHNICAL MANUAL; OPERATOR, FIELD, AND SUSTAINMENT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2007

TM-9-2540-207-14-P - Page 102 of 288

TM 9-2540-207-14&P

5-58

Burner Housing (Applies to all Design Iterations) (Continued)

5.7.7.2 Cleaning

1.

Carefully remove any carbon deposits from the Burner components by gently scraping

away the deposits taking care not to damage the Fuel shaft and the Push Nut on the

Fuel Shaft.

The use of a rifle bore cleaning brush is also permitted.

Figure 5.7-13

Detail, Fuel Shaft

NOTE: REPLACE the Burner Housing if any of the following conditions are

noticed:

- The Push Nut rotates freely on the fuel shaft

- The Fuel Shaft does NOT rotate freely

- The Fuel Shaft wobbles as it rotates

- The Magnet Cup leaks, or is badly scored

NOTE: IF the Magnet Cup leaks or is badly scored, check the Motor Magnet

for scoring and replace if necessary (ref. 5.6.2).