TM 9-2350-277-20-5
REPLACE M3 NBC HEATERS AND CONTROLLERS (M113A3 AMBULANCES ONLY)
Continued
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13. Remove four screws (21), eight washers (22), four locknuts (23), and drivers controller (18) from bracket (24).
Discard locknuts.
14. If damaged, remove two screws (25), lockwashers (26), and bracket (24) from bulkhead. Discard lockwashers.
15. Cut tie straps (27) and remove two leads (19) from adjacent drivers outlet hose (28). Discard tie straps.
16. Loosen clamps (29). Remove drivers outlet hose (28) and drivers inlet hose (30) from drivers heater (20).
17. Remove four screws (31), eight washers (32), four locknuts (33), and drivers heater (20) from welded mount (34).
Discard locknuts.
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