TM 5-2410-241-23-3
0286
Table 1. Arctic Kit Troubleshooting Procedures for the D7R Dozer - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ARCTIC HEATER DOES NOT
8. Disconnect harness con-
TURN ON CONTINUED.
nector YY-C1 (WP 0018,
Figure 127) from harness
connector XY-C4 (WP
0018, Figure 128).
9. Install new Auxiliary PWR
Unswitched 15a fuse (TM
5-2410-241-10).
Fuse Open - Proceed to next step.
10. Inspect the Auxiliary PWR
Unswitched 15a fuse.
Fuse OK - Proceed to Step 14.
11. Disconnect harness con-
nector XY-C1
(WP 0018, Figure 131)
from harness connector
MA-C21 (WP 0018, Figure
132).
12. Install new Auxiliary PWR
Unswitched 15a fuse (TM
5-2410-241-10).
Fuse Open - Replace fuse panel
13. Inspect the Auxiliary PWR
Unswitched 15a fuse.
harness (WP 0176).
Fuse OK - Replace cab wiring
harness (WP 0254).
14. Disconnect harness con-
nector B2 (WP 0018,
Figure 18) from arctic
heater.
15. Connect harness connector
YY-C1 (WP 0018,
Figure 127) to harness con-
nector XY-C4 (WP 0018,
Figure 128).
16. Install new Auxiliary PWR
Unswitched 15a fuse (TM
5-2410-241-10).
Fuse Open - Replace heater
17. Inspect the Auxiliary PWR
Unswitched 15a fuse.
harness (WP 0290).
Fuse OK - Replace arctic heater
0286-5