TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996

TM-9-2320-280-34 - Page 646 of 1258

TM 9-2320-280-34

14-10.

AMBULANCE HEATER REPAIR (MODEL 10530A) (Cont ’d)

c.

Assembly

1.

Place O-ring (8) and gasket (9) on burner assembly (3) and install burner assembly (3) on heat

exchanger (11).

2.

Align scribe marks (7) on burner assembly (3) and heat exchanger (11) and install burner

assembly (3) on heat exchanger (11) with four hookbolts (5), clamps (6), and nut and lockwasher

assemblies (4).

3.

Spread housing (1) just enough to clear heat exchanger exhaust tube (10) and install heat

exchanger (11) on housing (1) so exhaust tube (10) and flame detector fitting (12) extend through

housing (1).

4.

Install housing (1) together with three screw-assembled lockwashers (2).

5.

Install ground strap (15) to hookbolt (5) with nut and lockwasher assembly (16). Install ground strap

(15) to housing (1) with nut and lockwasher assembly (14) and screw-assembled lockwasher (13).

6.

Install secondary blower housing (17) in housing (1) and align the access opening (20) with the large

igniter hole (22) in housing (1). Make sure secondary blower housing (17) is fully seated in

housing (1).

7.

Install fuel tube (19) through housing (1) and secondary blower housing (17) and connect to burner

fuel inlet (21) with nut (18).

14-46