TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 14-10. AMBULANCE HEATER REPAIR (MODEL 10530A) (Cont’d) 5. Remove screw-assembled lockwasher (1) and fuel control valve lead "B" (2) from receptacle (3). Discard screw assembled lockwasher (1). 6. Remove nut and lockwasher assembly (7), lead (5), lockwasher (13), receptacle lead 9 (12), lockwasher (11), and ignition control lead 9 (9) from number 9 stud (8) on overheat switch (10). Discard nut and lockwasher assembly (7) and lockwashers (11) and (13). 7. Remove nut and lockwasher assembly (14) and fuel control valve lead 30 (4) from number 30 stud (15) on overheat switch (10). Discard nut and lockwasher assembly (14). CAUTION Cover or plug all hoses and connections immediately after disconnection to prevent contamination. Remove all plugs prior to connection. 8. Disconnect fuel tube (20) from fuel control valve outlet (16). 9. Pull control valve leads "B' (2), 30 (4), and 9 (5) through clamp (6). Remove four screw assembled lockwashers (18) and fuel control valve (17) from housing (19). Discard screw-assembled lockwashers (18). 10. Remove nut and lockwasher assembly (21), receptacle ground lead (29), lockwasher (22), and igniter ground strap (23) from ignition control base stud (28). Discard nut and lockwasher assembly (21) and lockwasher (22). CAUTION When disconnecting leads, do not break leads loose from the igniter assembly. 11. Disconnect igniter lead (25) from ignition control terminal (24) and igniter lead (27) from igniter ground terminal (26). 14-36