TM 9-2320-280-34
14-11. AMBULANCE HEATER REPAIR (MODEL 10530B) (Cont' )
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6.
Clean heat exchanger (3), secondary blower housing (2), housing (1), and guard (4) with drycleaning
solvent. Remove all traces of solvent and allow to air dry before assembly.
7.
Inspect circuit board (5) and receptacle (6) for broken connections and 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 as embly (9).
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