TM 9-2350-261-20-4
REPLACE M13 NBC HEATER WIRING HARNESS (M1068 ONLY) -- Continued
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18. Cut tie straps (1) that secure circuit lead 537D (2) to adjacent hoses. Discard tie straps.
19. Remove screw (3), lockwasher (4), and clamp (5) from right sponson. Remove clamp from circuit lead 537D (2) and
adjacent hoses. Discard lockwasher.
20. Remove circuit lead 537D (2) from front operator's heater (6).
21. Cut tie straps (7) that secure circuit lead 537E (8) to rear operator's heater inlet hose (9). Discard tie straps.
22. Remove two screws (10), lockwashers (11), and clamps (12) from right sponson. Remove clamps from circuit lead 537E
(8) and rear operator's heater inlet hose (9). Discard lockwashers.
23. Remove circuit lead 537E (8) from rear operator's heater (13).
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