TM 5-3810-306-34
CHAPTER 3
TROUBLESHOOTING
INTRODUCTION
This section provides information useful in diagnosing and correcting unsatisfactory operation or failure of the container
crane and its components. Malfunctions which may occur are listed in Table 3-1. Each malfunction is followed by a listing
of probable causes. The corresponding corrective actions suggest applicable maintenance actions for correcting the
malfunction.
SYMPTOM INDEX
Malfunction
Troubleshooting
Procedures
Page
ENGINE
Engine cranks slowly ....................................................................................................................
Engine hard to start or will not start - exhaust smoke present .....................................................
Engine cranks but will not start - no smoke from exhaust ............................................................
Engine starts but will not keep running.........................................................................................
Rough idle, warm engine..............................................................................................................
Engine surges at idle ....................................................................................................................
Low lubricating oil pressure ..........................................................................................................
Lubricating oil pressure too high ..................................................................................................
Engine oil loss ..............................................................................................................................
Contaminated engine oil...............................................................................................................
Exhaust smoke excessive under load ..........................................................................................
Engine will not reach rated speed when loaded...........................................................................
Low power ....................................................................................................................................
Engine misfiring ............................................................................................................................
Fuel knock ....................................................................................................................................
Excessive fuel consumption .........................................................................................................
Excessive vibration.......................................................................................................................
Excessive engine noises ..............................................................................................................
Fuel or oil leaking from exhaust manifold.....................................................................................
COOLING SYSTEM
Coolant temperature above normal .............................................................................................. 3-19
Coolant loss.................................................................................................................................. 3-20
Contaminated coolant .................................................................................................................. 3-20
3-1
