TM 9-2350-247-10
TROUBLESHOOTING TABLEContinued
0056 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE CRANKS BUT DOES
NOT START WHEN
TEMPERATURE IS BELOW
40
F (4
C) AND AIR BOX
HEATER IS USED.
1. Check for leaks in air box heater
fuel lines or connections
(M548A1).
Tighten any loose connections.
Notify unit maintenance.
4. ENGINE CRANKS TOO SLOW
TO START.
1. (M548A3) Troubleshoot electrical
system (WP 0055 00).
(M548A1) Use outside power source
(WP 0015 00) or tow start
(WP 0051 00) carrier. If the cause of
slow cranking is not obvious, have unit
maintenance troubleshoot the electrical
system (WP 0055 00).
CAUTION
Never move the engine
disconnect handle when the
engine is running.
2. Temperature is colder than -25
F
and engine disconnect is not
disengaged.
Disengage engine disconnect
(WP 0039 00).
5. ENGINE LABORS, RUNS
ROUGH, STALLS, OR DOES
NOT PUT OUT FULL POWER.
1. Check if engine (M548A1) is
getting enough air.
Clean air cleaner element
(WP 0063 00).
2. Check if air cleaner indicator has
red in window.
Notify unit maintenance.
3. Check if there is water in fuel.
Drain primary and secondary fuel
filters and air separator tank
(WP 0069 00).
4. High elevation operation.
The carrier usually loses power at high
elevations (mountain passes or high
plateaus). If carrier runs rough or
power loss is bad, notify unit
maintenance.
0056 00-10