FOREWORD This service manual has been prepared for the purpose of assisting service personnel in pro- viding efficient and correct service and maintenance on the VE type fuel injection pump for diesel engine passenger cars and small and medium-sized diesel commercial vehicles. This manual describes the features, construction and operation of the VE type injection pump and also describes the standard variable speed and combination governors. The contents of this manual, including illustrations, drawings and specifications are the latest available at the time of printing. The right is reserved to make changes In specifications notice.
and procedures at any time without CONTENTS Page OUTLINE ......... ccc cceccceeseceensceeenscctsaceeesceesaseesacesuseesceseeecuscssecneceuaneuecaeteusenseusneseuaccerenes 1 FEAtULeS .......
ccc ececccccee ence eennsceennseceensaceeesseetneceeeessesseeenccurseneueeseecsseeesaseuccansuecauenences 2 SPecificatiOMs .........ccccccecceneeeceeeeeeceeneeeneeeeeseeaeeseeseenseeeaseneseasenaeeeseeaeessessesseeeteaseesenass FUEL SYSTEM ..........cccccccccceescceeecceenccecensceecsceseceesaceneccusessuutsncusneususeusensenuseecceeecseesvaces INJECTION PUMP CONSTRUCTION AND OPERATION ...............ccccccccccceccceccseccceeceeescenes Fuel Delivery ..........cccccccccsscccesseeescceesaceesaceenseensceensaseteecasersuseeeecseesaneususseuansesseuseseuens Speed GOVEMMing ........cccccccccecscsceescenceeseesseactacescenseteeeensenetecceeeceeaseasuansaseuseceseasecneuess Injection Timing Control ...........cccccccceccceesceescescenaeeesceeseteectesatesceeecneuseusueseucneesenseuseses Feed PUMpp .........
ccc ccccccscccecesscccenscceeensceeensseteeeeeescutessensuussneccuceseucuserecsesseteeueucesenegags Regulating Valve .........ccccccccccccssceesceesceescenscesseusacetsuseeecccesuseneussucateecnsueesceenueeeecaerans Plunger Operation ...........ccccccccseesceesccesseeseeecesceeecenecereuseesseussecueusussecseunsaussesecereceeaas Delivery Valve and Damping ValIVE_ _ 3 4 5 5 6 7 7 8 9 ............ccccccceccucccccccucunscceececucccceceeusunescusessenunngags 13 GOVERNING MECHANISM .................ccccccceeesceeccencccceessanceenseececcteencetecaeessessueseenenenes Variable Speed Governor Construction and Operation ............ccccccccecccccecceceeeseneceeeees Combination Governor Construction and Operation ...............cccccccccecccecccccreusesasecaees 15 15 21 Variable Speed Governor and Combination Governor ................cccscsecsceeeseeecseeeeseeeees 28 Governor Equipped with Negative Torque Control Device ..............ccccccsccscesceecceseeeees TIMER CONSTRUCTION AND OPERATION ..............cccccceescececceccececceecseeceesussccesaetsaneaers Standard Type Timer (Speed Timer) ............
se deeeeeaceensaceeeesateecuusersusensanstscseesesensusenees Servo Valve Timer ...........cccscccescceecsceecateccncecaceneucceuscaceresceeeucueesecaceenaeeesseesunetecaenegs 29 37 37 38 LOad TIME ..........cccccceeescccensscccenscceeeccceeecuseeeecseescuaneneenucceceucuaeeseecucesesuneessastsengaenens 41 MAGNET VALVE ...........cccccccccesceeceecceceeeeeecceseesenasusneuasenatesateccenusesueuaseseesanseeeusessesacegs SPEED SENSOR ..............cccccccesceeceecceceeecescceccusnsaueceeeceeeceeausecneenseseseueesuesusssenageessenaeess PART NUMBER EXPLANATION .................cccccccscccccccceeecteeccceeceecaseecceeuceseseuseseesseessees 42 43 44 Code NUMBE‘SS.
............ccccccesscenceccccecceeccusnscccucneuaceucueenuteusaseuaeteasesusuasesueeasensseaeeecans Bosch-type NUMBE‘SS ..............cccccceccessccecceccncuceuccecccserecceeecsesencessasseuseeuaecuseessetsatess 44 44 TROUBLESHOOTING. ..............cccccccscceeccececcccecccuceneeccececcaeecucceeencaeeesueeeceetacetessetsenaens 45