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 135 of 288

TM 9-2540-207-14&P

5-91

5.9.6.2 Burner Fan Plate Assembly Repair (Design Iteration 2 & 3 Only)

Figure 5-24.

Burner Fan Plate Assembly

5.9.6.2.1 Removal

Note:

For some installations, this procedure can be done without removing

the heater from the vehicle, but require

power and fuel to be disconnected

from the heater.

1.

Remove Top Cover (ref. 5.4.1).

2.

Remove Wiring Harness connectors from the Fuel Pressure Sensor (J4) (ref. 5.9.1) and

the Diagnostic Display (J2) (ref. 5.9.2).

3.

Remove Wiring Harness connectors from the Fuel Injector (J5), (ref. 5.9.5) and the

Burner Fan Driver Board (J3) (ref. 5.9.6).

Note:

All the connectors in the Top Housing are different in size and

shape. All connectors have locking tabs, which can be released by finger

pressure.

4.

Remove the two (2) fuel lines from the Burner Fan Plate fuel fittings.

5.

Remove Fuel Pump (ref. 5.9.3).

6.

Using a #1 cross-tip screwdriver, unscrew the two (2) screws that hold the MS Power

connector (J2) to the Top Housing.

Screw

Star

Washer

Fuel Pump

#8 Screws

#6 Screws

Burner Fan Plate

Fuel Injector

MS Power

Connector