TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
1.
Engine Cranks But Will Not Start or
is Hard to Start - Continued.
Cold start heater is used only when ambient temperatures are below
32F (0C). If cold start heater was not operated when malfunction
was noted, skip Steps 2 through 5. Notify Direct Support Mainte-
nance that engine exhaust smokes excessively (too much black or
gray smoke).
6. Check cold start heater operation. 1. If cold start heater and area of inlet
Turn battery disconnect switch
manifold around cold start heater
ON. Turn engine start switch and
are not warm, turn battery
starting aid switch to ON
disconnect switch OFF. Close left
positions for not more than 20
and right-side door assemblies.
seconds. Turn engine start switch
Fault not corrected, notify Field
and starting aid switch to OFF
Support Maintenance that engine
position. Check cold start heater
cranks but will not start or is hard
and area of intake manifold
to start.
around cold start heater for
warmth.
2. If cold start heater and area of
intake manifold around cold start
heater are warm, turn battery
disconnect switch OFF. Go to Step
6.
WIRE 377-OR
COLD START
FUEL LINE
HEATER
401-177
0006 00-6
