TM 9-2320-280-34
14-10. AMBULANCE HEATER REPAIR (MODEL 10530A) (Cont' )
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6.
Clean heat exchanger (1), secondary blower housing (3), housing (2), and guard (4) with drycleaning
solvent. Remove all traces of solvent and allow to air dry before assembly.
7.
Inspect ignition control unit (5) and receptacle (6) for broken connections or damage. Replace either
if damage or broken connections are evident.
8.
Inspect igniter assembly (9) for loose or broken leads (7) or damaged element (8). Replace igniter
assembly (9) if leads (7) are broken or loose, or element (8) is damaged.
9.
Connect multimeter to leads (7) to check igniter assembly (9) for proper resistance. Resistance
should be 2.2 Ohms. If resistance is not 2.2 Ohms, replace igniter assembly (9).
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