TM 9-2350-261-20-4
REPLACE M13 NBC HEATER WIRING HARNESS (M1068 ONLY) -- Continued
0684 00
7.
Install circuit lead 538A (1) with ground lead (2) on precleaner (3).
8.
Install two clamps (4) on circuit lead 538A (1).
9.
Install ground lead (2), new lockwasher (5), two clamps (4), new lockwashers (6), and screws (7) on precleaner
mounting bracket (8).
10. Secure lead 538A (1) to adjacent wiring harnesses with new tie straps (9).
11. Install circuit lead 579C (10) on air filter ON lamp (11).
12. Install circuit lead 537C (12) on air filter switch (13).
13. Push circuit lead 537B (14) through grommet (15) on commander's heater inlet hose (16).
14. Secure wiring harness (17) to adjacent wiring harnesses and hoses with new tie straps (9).
15. Install circuit lead 537B (14) on commander's heater (18).
16. Install clamp (19) on hose (16) and circuit lead 537B (14). Secure clamp with screw (20) and new lockwasher (21) on
forward bulkhead.
17. Install three clamps (22) on hose (16) and wiring harness (17). Secure clamps with three screws (23), washers (24), and
new locknuts (25) on frame (26) and crossbeam.
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