TM 5-3895-379-23-1
0008
MALFUNCTION
No Power To Cold Start Heater or Cold Start Heater Faulty.
CORRECTIVE ACTION
1.
Raise operator platform (Volume 2, WP 0235).
2.
Have assistant turn engine start switch and starting aid switch to ON position (TM 5-3895-379-10).
3.
Touch positive (+) probe of multimeter to wire 377-OR.
4.
Touch negative (-) probe of multimeter to engine block.
a.
If 12 to 14 VDC are not measured at wire 377-OR, perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
(3)
Go to Electrical Symptom: STARTING AID SWITCH DOES NOT WORK.
b.
If more than 14 VDC are measured at wire 377-OR, starting aid resistor and cold start heater
are damaged. Perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
(3)
Replace cold start heater (WP 0130).
(4)
Replace starting aid resistor (WP 0174).
c.
If 12 to 14 VDC are measured at wire 377-OR, go to next malfunction.
INTAKE MANIFOLD
WIRE 377-OR
COLD START
FUEL LINE
HEATER
T0231SWR
Figure 2. Engine Cold Start Heater.