BOOK CODE
1-5302-556
MODEL No.
50839
DATE OF ISSUE
01-94
REVIEW 02
DATE
30-11-2001
APPROVAL
TECO/ATL AUTHOR
6
PROBABLE CAUSES
ELECTRICAL
EQUIPMENT
SETTINGS AND REPAIRINGS
LUBRICATION
FUEL CIRCUIT
Excessive oil
consumption
Low oil
pressure
Oil level
increase
Inconsistent
rpm
It does not ac-
celerate
It starts but does
not stop
It does not
start
This table shows some possible causes concerning malfunctions that could arise during the machine running. Always,
systematically carry out simpler checks before any disassembly or replacement.
Oil and fuel
leakage from the
exhaust
TROUBLE
Black
smoke
White smoke
Cylinder head gasket
MAINTENANCE
Clogged pipings
Clogged fuel filter
Presence of air in the fuel circuit
Clogged tank breather
Faulty fuel pump
Blocked injector
Blocked injection pump valve
Wrong injector setting
Plunger excessive leakage
Stuck injection pump delivery control
Wrong injection pump delivery setting
High oil level
Blocked pressure relief valve
Worn oil pump
Presence of air inside the oil intake pipe
Faulty pressure gauge or switch
Clogged oil intake duct
Discharged battery
Inefficient or wrong cable connection
Faulty starting switch
Faulty starting motor
Clogged air filter
Excessive idle operation
Incomplete running-in
Overloaded engine
Advanced injection
Delayed injection
Incorrect governor tinkage adjustment
Broken or loose govener spring
Low idling setting
Worn or stuck piston rings
Worn or scored cylinders
Worn valve guides
Sticking valves
Worn crankshaft-connecting rod bearings
Non-sliding speed governor leverage
Crank shaft not turning freely
TROUBLE SHOOTING
IV
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