1. 1. 1. Description of starter DescriptionRing gear Starter(1/2)
2. 2. Outline2. Type of starter (1) Reduction type (1) Reduction type Yoke ArmatureDrive gear Magnetic switch Pinion gear (2/2)
3. 3. Outline (2) Conventional type (2) Conventional type Magnetic switch Drive leverPinion gearYoke Armature (2/2)
4. 4. Outline (3) Planetary type(3) Planetary typeMagnetic switchDrive lever Armature YokePlanetary gearPinion gear(2/2)
5. 5. (4) Planetary reduction-segment conductor motor (PS) type(4) Planetary reduction-segment conductor motor (PS) typeMagnetic switch ArmaturePinion gearPermanentmagnetPlanetarygear(2/2)
6. 6. Outline CharacteristicsSpeedStarterspeed TorqueOutput Voltage(N m) VoltageTorque(kW)(V)(rpm)OutputCurrent (1/1)
7. 7. Reduction Starter Components Yoke sub-assemblyArmature Brush and brush holderReductiongear Magnetic switchPinion gearOverrunning clutchand helical spline(1/1)
8. 8. Reduction Starter1. Magnetic switch Construction 1. Magnetic switchMain contact Plunger Return spring Drive springPlunger shaftHold-in coil Pull-in coil(1/2)
9. 9. Reduction Starter2. Armature and ball bearing Construction2. Armature and ball bearing Ball bearing Armature coilBall bearing Commutator Armature core(1/2)
10. 10. Reduction Starter3. Yoke sub-assembly Construction3. Yoke sub-assembly Yoke Brush Pole coreField coil (1/2)
11. 11. Reduction Starter 4. Brush and brush holder Construction 4. Brush and brush holder Brush holder Body ground BrushBrush spring (2/2)
12. 12. Reduction Starter5. Reduction gear Construction5. Reduction gear Drive gearReduction gear Idle gear Clutch gearBall bearing Ball bearing (2/2)
13. 13. Reduction Starter 6. Overrunning clutch Construction6. Overrunning clutch Clutch roller Spline shaft Return springPinion gearClutch gear Pinion shaft (2/2)
14. 14. Reduction Starter 7. Pinion gear and helical spline Construction 7. Pinion gear and helical spline Spline shaft Pinion gear Helical spline Pinion shaftRing gear(2/2)
15. 15. Reduction Starter1. Magnetic switch Operation Magnetic switch (1/7)
16. 16. Reduction Starter(1) General Operation2 functionsPinion gear Motorengagement/ ON/OFFdisengagementPull-inTurns ONEngagesHold-in Transmits the3 steps Holds at ONrevolving forceReturnTurns OFFDisengages(1/7)
17. 17. Reduction StarterSERVICE HINT: OperationInternal wiring diagram Pull-in coilField coilMain contactPlangerContact plateIgnitionHold-in coilswitch(1/7)
18. 18. Reduction Starter Operation(2) Operation Pull-in(2/7)
19. 19. Reduction Starter OperationBatteryIgnition switch Hold-in coilPull-in coilGround Field coilArmature coilGround(2/7)
20. 20. Reduction Starter Operation Hold- in(3/7)
21. 21. Reduction Starter Operation Battery Ignition switch Contact plateHold-in coilField coilGround Armature coil Ground (3/7)
22. 22. Reduction Starter Operation Return (4/7)
23. 23. Reduction Starter Operation Battery Contact platePull-in coilField coilHold-in coil Armature coil GroundGround (4/7)
24. 24. Reduction Starter Operation2. Overrunningclutch Clutch roller Clutch Clutch roller splingSpline shaft(inner) PinionReturn gearspringSpline Clutch gear shaftPinion shaft Clutch gear (outer) (inner) (outer) (5/7)
25. 25. Reduction Starter (1) Operation While the engine cranks Operation While the engine cranks (5/7)
26. 26. Reduction Starter After the engine starts Operation After the engine starts (5/7)
27. 27. Reduction Starter Operation3. Engagement/disengagement mechanism (1) General Armature Revolving forcePush frommagneticswitchHelical spline(6/7)
28. 28. Reduction Starter(2) Engagement mechanism Operation Click on the illustration.(6/7)
29. 29. Reduction Starter Operation HINT: Pinion Ring gear gear Chamfer(6/7)
30. 30. Reduction Starter Operation(3) Disengagement mechanismHelical spline Revolving forceThrust Return spring (7/7)
31. 31. Reduction Starter OperationPressure (Low) Pressure to disengage the pinion gear (Low) Revolving speed (Same) (7/7)
32. 32. Reduction Starter OperationReturn spring(7/7)
33. 33. Conventional Starter 1. Construction differences between the conventional type and the reduction type Other Constructions of Starter Engagement/disengagement Speed reduction Brake of the pinion gear mechanism mechanism Reduction type Magnetic switchYesNo Conventional Magnetic switchNo Yes, No type and drive lever(1/4)
34. 34. Conventional Starter 2. Engagement/disengagement of the pinion gear3. Speed reduction mechanismMagnetic switchDrive lever Drive spring(1/4)
35. 35. Conventional Starter Other Constructions of Starter4. Brake mechanism Lock plate Brake spring Armature Commutator end frame(2/4)
36. 36. Conventional Starter1. Construction differences between the planetary type, the reduction type and the conventional type Other Constructions of StarterEngagement/disengagementSpeedBrakeof the pinion gearreductionmechanismmechanism Reduction typeMagnetic switchYes No Conventional No Yes, No typeMagnetic switchand drive lever Planetary type YesNo (3/4)
37. 37. Conventional Starter2. Engagement/disengagement of the pinion gear Other Constructions of Starter Drive spring (built in the magnetic switch) Drive lever(3/4)
38. 38. Conventional Starter3. Speed reduction mechanism (1) Construction (2) Characteristics Other Constructions of StarterSun gear : DrivePlanetary gear : Reduce Armature Planetary carrier Sun gear Planetary carrier : OutputInternal gear Planetary gear (4/4)
39. 39. Conventional Starter (3) Operation Other Constructions of Starter Click on the illustration.(4/4)
40. 40. Conventional Starter Other Constructions of StarterREFERENCE: (4/4)
41. 41. Conventional Starter Other Constructions of Starter (4/4)
42. 42. Reference 1. Field coil PS (Planetary reduction-Segment conductor motor) StarterMain magnetInterpolar magnetMagnetic flux generatedby main magnetMagnetic flux generated by relationship betweenmain and interpolar magnets(1/2)
43. 43. Reference2. Armature PS (Planetary reduction-Segment conductor motor) StarterConventional type starter Armature BrushCommutatorBrush ArmatureSurfacePS starter commutatorSquare-shapedRound-shapedconductorconductor wire B-B cross section A-A cross section conventional type PS starter starter (2/2)
44. 44. Inspection1. Check battery terminal voltage Inspection of the Battery Voltage Check battery terminal voltageSTART(1/2)
45. 45. Inspection2. Check terminal 30 voltage 3. Check terminal 50 voltage Inspection of the Battery Voltage Check terminal 30 voltageSTART Terminal 30 Check terminal 50 voltage Terminal 50(2/2)