TM 9-2350-261-20-4
REPLACE M13 NBC HEATER WIRING HARNESS (M1068 ONLY) -- Continued
0684 00
7.
Remove three screws (1), washers (2), locknuts (3), and clamps (4) from frame (5) and crossbeam. Remove clamps from
commander's heater inlet hose (6) and wiring harness (7). Discard locknuts.
8.
Remove screw (8), lockwasher (9), and clamp (10) from forward bulkhead. Remove clamp from hose (6) and wiring
harness (7). Discard lockwasher.
9.
Remove circuit lead 537B (11) from commander's heater (12).
10. Cut tie straps (13) that secure wiring harness (7) to adjacent wiring harnesses and hoses. Discard tie straps.
11. Pull circuit lead 537B (11) through grommet (14) on hose (6).
12. Remove circuit lead 579C (15) from air filter switch (16).
13. Remove circuit lead 537C (17) from air filter ON lamp (18).
14. Cut and remove all tie straps (19) along circuit lead 538A (20) and adjacent wiring harnesses. Discard tie straps.
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