Workshop Manual

More documents

Recommendations

Info

Design and functionRegulatorThe regulator has the purpose of controlling the fuelvolume to the engine’s combustion chambers bymeans of activating the throttle control.The regulator is available in two versions:• Centrifugal regulator which is mechanical and isused on engine versions TAMD61A, -62A,-63P-A, -63L-A, -71A, -71B, -72A, and -72WJ-A.• Electromagnetic actuator which is electronic andis used on the engine version TAMD72P-A.The mechanical regulator works with speed sensingregulator weights. The speed is controlled over thefull speed range of the engine, from low idle to highidle.The electromagnetic actuator is controlled from anelectronic control unit which collects information froma number of sensors placed on the engine and control.The control unit calculates with the help of thisinformation the injection volume for each load case.The illustrations below show the differences betweena mechanical regulator and an electromagnetic actuator.Two different basic types of centrifugal regulator areused, RSV and RQV. The RQV regulator is availablein two versions, RQV and RQV-L. The electromagneticactuator is designated RE.The main difference between RQV and RQV-K is thatthe RQV-K regulator can both increase and decreasethe fuel volume during equalising at full load, whilethe RQV regulator’s equalising only gives a reductionof the fuel volume.The following list shows which regulator type is usedfor the different engine versions:– TAMD61A, -62A, -63L-A and -71A/B have aregulator of the RSV type.– TAMD 63-P-A has an RQV regulator.– TAMD72A and -72WJ-A have an RQV-Kregulator.– TAMD72P-A (EDC) has an RE regulator.Principle diagram of injection pump with Centrifugalregulator1 Max. fuel volume2 Min. fuel volume3 Full throttle4 IdleA Control rodB The injection pump’s camshaftC LeverD Centrifugal regulatorPrinciple diagram of injection pump with electromagneticactuator1 Max. fuel volume2 Min. fuel volume3 Full throttle4 Idle5 Position sensor for control rod6 Actuator7 Speed sensorA Control unitB Actuator12
Design and functionCentrifugal regulators RSV, RQV and RQV-KCentrifugal regulator, RSV1 Regulator housing2 Starter spring3 Lever4 Regulator cover5 Set screw for stop and idle6 Tensioning arm7 Control arm8 Regulator spring9 Idle damping spring10 Equalising or idle compression spring11 Set screw for full-load stop12 Regulator arm13 Regulator sleeve14 Centrifugal weight15 Swivel arm16 Rocker arm17 Link rod18 Injection pump’s control rodCentrifugal regulator, RQV1 Link rod2 Full-load stop3 Spring disc4 Play equalising spring5 Injection pump’s control rod6 Adjusting nut7 Regulator springs8 Centrifugal weight9 Angle arm10 Compression ring11 Spring control sleeve12 Guide plate13 Selector arm14 Control piston15 Regulator arm16 LeverCentrifugal regulator, RQV-K1 Adjusting screw for full-load volume2 Full-load stop with cam track (A)3 Set screw for curve path’s angle modification4 Link rod (springs when pulled)5 Injection pump’s control rod6 Adjusting nut7 Regulator springs8 Centrifugal weight9 Angle arm10 Regulator sleeve11 Compression ring12 Control arm13 Muff14 Regulator arm15 Control piston16 Guide plate17 Lever18 Rocker arm13
Page 1: Workshop ManualFuel SystemD2(0)TAMD
Page 4 and 5: General instructionsInformation on
Page 6 and 7: General instructionsUse the lifting
Page 8 and 9: General instructionsRepair instruct
Page 10 and 11: General instructionsSafety instruct
Page 12 and 13: Design and functionGeneralThe main
Page 16 and 17: Design and functionDesign differenc
Page 18 and 19: Design and functionOverflow valveTh
Page 20 and 21: Repair instructionsInstructions for
Page 22 and 23: Repair instructionsInjection pump,
Page 24 and 25: Repair instructions15Turn round the
Page 26 and 27: Repair instructionsInjection pump,
Page 28 and 29: Repair instructions21Fit the front
Page 30 and 31: Repair instructionsAdjustment of sp
Page 32 and 33: Repair instructionsAssemblyObserve
Page 34 and 35: Repair instructionsSeal in pump dri
Page 36 and 37: Repair instructions35Oil in the new
Page 38 and 39: Repair instructionsFuel injector, r
Page 40 and 41: Repair instructionsOpening pressure
Page 43 and 44: Report formDo you have any complain

Workshop Manual

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?