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 162 of 288

TM 9-2540-207-14&P

5-118

Burner Fan Impeller (continued)

Figure 5.10-6.

Burner Fan Impeller.

5.10.4.1 Removal

1.

Remove the burner fan plate assembly from the top housing (ref 5.10.1).

2.

Turn the plate upside over.

3.

Using a 7/16” open wrench and a Philips #2 screwdriver, remove the nut.

Place the

wrench over the nut and use the screw drive to hold the bolt in place while turning the

nut.

4.

Remove the nut and the washer and the impeller can now be removed.

5.10.4.2 Installation

1.

With the burner fan shaft pointing up, place the spacer over the burner fan motor shaft.

2.

Place the impeller over the spacer, followed by the washer.