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                                 FEIN REPAIR TOOLS 

All rights reserved by FEIN, especially in case of industrial rights registration.  
FEIN retains all rights of disposal, such as copying and circulation. 

C-SC_CSSM 

2012.05 

  Electrical tests 

 Tool: 
-Multimeter 
  
  

Check switch 
 

1.Measure resistance between screw-type terminal (2) and mounting tab (2a) on 
switch.

 

Nominal values:

 

Switch pressed: R < 1 Ω  
 

Switch not pressed: R = ∞ Ω  

 

 

 
 
 

  

Summary of Contents for KBH25

Page 1: ...FEIN REPAIR TOOLS All rights reserved by FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 KBH 25...

Page 2: ...pecially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 These instructions describe how to repair the following models...

Page 3: ...by a trained electrician as improper repair can result in serious risks to the user The provisions set out in DIN VDE 0701 0702 should be observed after repairs Only use original FEIN spare parts The...

Page 4: ...by a trained electrician as improper repair can result in serious risks to the user The provisions set out in DIN VDE 0701 0702 should be observed after repairs Only use original FEIN spare parts The...

Page 5: ...echnical data Technical data The complete technical data can be found in the operating instructions for the model Test data Up to date test data for all models can be found on the FEIN Extranet Lubric...

Page 6: ...registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 3 General checks Rated voltage 220 240 V Test voltage 230 V Load current 5 5 A Idling current approx...

Page 7: ...ights of disposal such as copying and circulation C SC_CSSM 2012 05 4 Tools required Standard tools Steel hammer Plastic hammer Torx 15 screwdriver Torx 20 screwdriver Internal external circlip pliers...

Page 8: ...ed by FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 Lubricants and auxiliary substances required Lub...

Page 9: ...industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 Dismantling Before starting to repair or disassemble the tool you must remove th...

Page 10: ...osal such as copying and circulation C SC_CSSM 2012 05 4 1 Removing the motor Unscrew both carbon holder covers Pull up carbon brush and clamp firmly with spring or pull all the way out of the carbon...

Page 11: ...retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 1 Removing the motor Loosen screws and take off handle half shell Unscrew cable clamping bridge for cable Loosen scre...

Page 12: ...on C SC_CSSM 2012 05 4 1 Motor Take off bottom handle half shell Move motor housing into upright position Use screwdriver to gently unlock electronics at locking tabs and remove from above NOTE The tw...

Page 13: ...such as copying and circulation C SC_CSSM 2012 05 4 1 Removing the motor NOTE Carbon holders can only be replaced once the electronics have been removed Loosen screws on air guide ring and take ring...

Page 14: ...ins all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 2 Removing the electronics switch Disconnect plug in clamping contacts on switch Attention do not mix up coloured connect...

Page 15: ...copying and circulation C SC_CSSM 2012 05 4 3 Removing the gearbox armature Drive armature out of intermediate bearing by tapping gently with a plastic hammer Prise off plastic bush along with magnet...

Page 16: ...g and circulation C SC_CSSM 2012 05 4 4 Removing the gearbox Place gearbox housing on intermediate bearing Remove upper circlip Remove all components including the two balls Rotate drill shaft until t...

Page 17: ...ying and circulation C SC_CSSM 2012 05 4 4 Removing the gearbox Disconnect gearbox housing and intermediate bearing Remove grease If the slipping clutch remains in the gearbox housing when the two hou...

Page 18: ...in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 4 Removing the gearbox Remove pressure spring and intermediate gear P...

Page 19: ...reserved by FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 5 Removing the drill shaft Slide sleeve of...

Page 20: ...uch as copying and circulation C SC_CSSM 2012 05 4 5 Removing the drill shaft Pull both bolts out of drill shaft from the front Remove the two balls Remove circlip on ball bearing Press ball bearing d...

Page 21: ...especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 4 5 Removing the drill shaft Use a punch to drive in fasteni...

Page 22: ...ion C SC_CSSM 2012 05 Check slipping clutch Tool 2 20 Nm torque wrench Open ended spanner 13 mm Vice with aluminium jaws Clamp slipping clutch in vice with aluminium jaws Adjust torque wrench The rele...

Page 23: ...trical tests Tool Isolating transformer Measurement terminals Check motor without switches or electronics Test voltage 100 120 V tools U 60 V 50 Hz 220 240 V tools U 120 V 50 Hz 1 Remove brown cable 6...

Page 24: ...ts registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 Electrical tests Tool Multimeter Check switch 1 Measure resistance between screw type terminal 2 a...

Page 25: ...FEIN REPAIR TOOLS All rights reserved by FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 Assembly...

Page 26: ...disposal such as copying and circulation C SC_CSSM 2012 05 5 1 Fitting the drill shaft Insert spring with bolt Use a punch to gently pre tension spring from the front and use a pin to fix through the...

Page 27: ...s registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 1 Fitting the drill shaft Press on bearing and insert circlip Insert bolt in drill shaft Attentio...

Page 28: ...strial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 1 Fitting the drill shaft Insert circlips Insert the two balls with a little grease F...

Page 29: ...posal such as copying and circulation C SC_CSSM 2012 05 5 2 Fitting the gearbox Once the drill shaft has been pressed in fit pressure spring Insert intermediate gear Fit gear wheel on drill shaft and...

Page 30: ...nd circulation C SC_CSSM 2012 05 5 2 Fitting the gearbox Fix drill shaft in gearbox housing with circlip Rotate drill shaft until the wrench flat provides good access for inserting the circlip Attach...

Page 31: ...s of disposal such as copying and circulation C SC_CSSM 2012 05 5 3 Fitting the gearbox armature Slide plate on to armature shaft Press on ball bearing Press on sealing ring Press ball bearing onto co...

Page 32: ...of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 3 Fitting the gearbox armature Insert armature in gearbox housing and drive i...

Page 33: ...tains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 4 Fitting the electronics switch Connect plug in clamping contacts on switch Attention do not mix up coloured connectio...

Page 34: ...al such as copying and circulation C SC_CSSM 2012 05 5 5 Fitting the motor Insert field coil up to stop in motor housing the engraved serial number must be on the top of the motor housing speed level...

Page 35: ...copying and circulation C SC_CSSM 2012 05 5 5 Fitting the motor Attach pre fitted electronics onto motor housing with switch and snap in Attach bottom handle half shell to motor housing insert switch...

Page 36: ...ains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 5 5 Fitting the motor Fit mains cable with stranded wire for restart protection thin black cable Fit traction relief for m...

Page 37: ...sal such as copying and circulation C SC_CSSM 2012 05 5 5 Fitting the motor Pull back spring and slide down carbon brush attach on collector Place spring on carbon brush Attach both carbon holder cove...

Page 38: ...N REPAIR TOOLS All rights reserved by FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 05 7 Connection diagr...

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