TM 9-2320-387-24-l
STARTABILITY
KNOWN INFO
1
ENGINE NOT LOCKED
BATTERIES OK
I
I
RUN THE GLOW PLUGS CIRCUIT
STARTING SYSTEM OK
TESTS. RETURN HERE.
FUEL SYSTEM OK
AIR INTAKE/EXHAUST
OK
I
I
GLOW PLUGS
COMPRESSION
L
KNOWN INFO
fNGlNE NOT LOCKED
3AlTERIES
OK
3TARTlNG SYSTEM OK
SLOW PLUGS OK
AIR NTAKEEXHAUST
-UEL SYSTEM OK
POSSIBLE
PROBLEMS
COMPRESSION
DIAGNOSTIC FLOWCHART
REASON FOR QUESTION
If the engine is hard to start
it may be the glow plugs.
RUN COMPRESSION UNBALANCE.
IS THE COMPRESSION UNBALANCE
STE/ICE-R TEST 14
(Page 2493)
OK?
REASON FOR QUESTION
If cylinder compression is far
enough out of balance, it could
prevent the vehicle from starting.
The lower the unbalance, the
MAINTENANCE
YES
Y
2-48