TM 9-2350-277-20-5REPLACE M3 NBC HEATERS AND CONTROLLERS (M1059A3 ONLY) — Continued 0797 0012. Disconnect two leads (19) from driver’s controller (20) and driver’s heater (21).13. Remove two screws (22), lockwashers (23), and clamps (24) from bulkhead. Remove clamps from leads (19). Discardlockwashers.14. Disconnect circuit 537B lead (25) from driver’s heater controller (20).15. Remove four screws (26), eight washers (27), four locknuts (28), and driver’s controller (20) from bracket (29). Discardlocknuts.16. Loosen two clamps (30) and remove inlet hose (31) and outlet hose (32) from driver’s heater (21).17. Remove four screws (33), eight washers (34), four locknuts (35), and driver’s heater (21) from bracket (36). Discardlocknuts.0797 00-5
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