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TECHNICAL INFORMATION
POSSIBLE CAUSES AND TROUBLE SHOOTING
THE ENGINE MUST BE STOPPED IMMEDIATELY WHEN:
1) -Theenginerpmssuddenlyincreaseanddecrease
2) -Asuddenandunusualnoiseisheard
3) -Thecolouroftheexhaustfumessuddenlydarkens
4) -Theoilpressureindicatorlightturnsonwhilerunning.
TABLE OF LIKELY ANOMALIES AND THEIR SYMPTOMS
Thefollowingtablecontainsthepossiblecausesofsomefailureswhichmayoccurduringoperation.
Alwaysperformthesesimplechecksbeforeremovingorreplacinganypart.
FUEL
CIRCUIT
ELECTRIC
SYSTEM
MAINTE-
NANCE
SETTINGS REPAIRS
Obstructedfuelline
Fuellterclogged
Airorwaterleaksinfuelsystem
Thetankcapventholeisclogged
Nofuel
Dischargedbattery
Cableconnectionuncertainorincorrect
Faultystartingswitch
Faultystartingmotor
Faultyglowplugs
Faultyglowplugcontrolrelay
Burntfuseonpreheatingsparkplugs
Cloggedairlter
Excessiveidleoperation
Incompleterun-in
Overloadedengine
Incorrectgovernorlinkageadjustment
Governorspringbrokenorunhooked
Lowidlespeed
Ringswornorsticking
Worncylinder
Wornmainconrod-rockerarmbearings
Badlysealedintakevalve
Damagedcylinderheadgasket
Defectivetimingsystem
Bentrods
Faultyhydraulictappets
POSSIBLE CAUSE
Inadequate perfor-
mance
Highnoiselevel
Overheats
TROUBLE
Engine does not
start
Engine starts but
stops
Noacceleration
Non-uniformspeed
Blacksmoke
Whitesmoke
Toolowoilpressure
Excessiveoilcon-
sumption
Workshop Manual KDW 1603_2204_2204/T _ cod. ED0053029180 - 1° ed_rev. 00