TM 9-2350-247-20-3
REPLACE ENGINE COOLANT HEATER WIRING HARNESS Continued
0473 00
5.
Disconnect connector (15) from control box (16) and circuit 400A lead (17) and slotted washer (18) from connector (19).
6.
Remove 9 screws (20), 10 lock washers (21), 9 clamps (22), one grommet (23), coolant heater wiring harness (24), and
control box ground lead (25) from hull. Discard grommet and lock washers.
CLEANING
1.
Clean coolant heater wiring harness with a clean wiping rag.
2.
Check coolant heater wiring harness for continuity. Use multimeter.
3.
Repair damaged coolant heater wiring harness (WP 0294 00). Replace coolant heater wiring harness that cannot be
repaired.
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