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Technical information
INJECTION
LUBRICATION
CIRCUIT
COOLING
CIRCUIT
Damagedinjector
Injectionpumpvalvedamaged
Injectornotadjusted
Faultyfuelfeedingpump
Hardenedpumpcontrolrod
Brokenorloosesupplementarystart-upspring
Wornordamagedpumpingelement
Incorrecttuningofinjectioncomponents(deliverybalancingadvance)
Crackedorbrokenprecombustionchamber
Oilleveltoohigh
Oillevellow
Oilpressurevalveblockedordirty
Wornoilpump
Oilsumpsuctionlineclogged
Faultypressuregaugeorpressureswitch
Blockeddrainingpipe
Faultyspraynozzles(Turboenginesonly).
Blockeddrainingpipe
Alternatorfanbeltlooseortorn
Cloggedradiatorexchangesurface
Insufcientcoolant
Faultfan,radiatororradiatorplug
Faultythermostaticvalve
Blockageinsidetheradiatororthecoolantducts
Coolantleakingfromradiator,hoses,thecrankcaseorfromthewaterpump
Faultyorwornwaterpump
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