TM 9-2320-280-34
14-11. AMBULANCE HEATER REPAIR (MODEL 10530B) (Cont'd)
9.
Disconnect circuit board ground lead (7) and receptacle ground lead (9) from ground terminal (8)
and remove ground terminal (8).
10.
Disconnect overheat switch lead 3 (4) and flame detector switch lead 4 (3) from circuit board (2).
11.
Disconnect five leads (5) from circuit board (2).
12.
Remove three screws (6) and circuit board (2) from control bracket (1).
13.
Remove two nuts (22), screws (14), lockwashers (13), four capwashers (12), and two resistors (15)
from control bracket (1). Discard lockwashers (13).
14.
Disconnect leads 15 (18), 16 (16), and 17 (17) from fuel valve circuit board (20) and remove
lead 15 (18).
15.
Remove four screws (19) and fuel control valve assembly (21) from control bracket (1).
16.
Remove four assembled-washer screws (10) and plug receptacle (11) from control bracket (1).
Discard assembled-washer screws (10).
14-54
Change 2
