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 105 of 288

TM 9-2540-207-14&P

5-61

Heat Exchanger (Continued)

Figure 5.8-2

Heat Exchanger Assembly

5.8.1 Removal

Note: For Steps 1-5, set the heater on the Vent Sensor end.

If fuel has

collected in the Heat Exchanger, it must be properly disposed of in

accordance with the local regulations.

For Steps 6-12, the heater can be set with the Diagnostic Label facing

downwards.

1.

Remove Top Cover (ref. 5.4.1).

2.

Remove Top Shell (ref. 5.4.2).

3.

Remove Bottom Shell (ref. 5.4.3).

4.

Remove Vent Fan Assembly (ref. 5.6.1).

5.

Remove Combustor Assembly (ref. 5.7.1).

6.

Remove Flame Tube (ref. 5.7.2).

7.

Using pliers, release the 1" metal spring clamp at the Secondary Air Duct from the Heat

Exchanger End.

Slide the spring clamp over the hose and release onto the Top Housing

end so that Secondary Air Duct and two spring clamps are attached to Top Housing.