TM 5-3895-379-23-1
0009
MALFUNCTION
Cold Start Heater Current Draw Faulty.
CORRECTIVE ACTION
1.
Attach clamp-on multimeter to wire 377-OR.
2.
Have an assistant attempt to start engine (TM 5-3895-379-10).
3.
Note the current draw indication.
4.
The current draw should be 16 to 18 amperes at 12 volts.
5.
Connect wire 377-OR to cold start heater.
6.
Turn engine start switch OFF position (TM 5-3895-379-10).
7.
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
a.
If current draw is more than 18 or less than 16 amperes, replace cold start heater
(WP 0130). Lower operating platform (Volume 2, WP 0235).
b.
If current draw is between 18 and 16 amperes, remove clamp-on multimeter. Go to next
malfunction.
WIRE 377-OR
INTAKE MANIFOLD
COLD START
HEATER
FUEL LINE
T0187SWR
Figure 4. Engine Cold Start Heater.