Fein KBH 25 Repair Manual
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FEIN REPAIR TOOLS
KBH 25
All rights reserved by FEIN, especially in case of industrial rights registration.
C-SC_CSSM
2012.05
FEIN retains all rights of disposal, such as copying and circulation.

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Summary of Contents for Fein KBH 25

  • Page 1 FEIN REPAIR TOOLS KBH 25 All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 2 These instructions describe how to repair the following models: Model Order no. KBH 25 727101 All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 3 The German Equipment and Product Safety Act applies for correct use. Outside Germany, the regulations applicable in the relevant country must be observed! All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05...
  • Page 4 The German Equipment and Product Safety Act applies for correct use. Outside Germany, the regulations applicable in the relevant country must be observed! All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05...
  • Page 5: Technical Data

    Up-to-date test data for all models can be found on the FEIN Extranet. Lubricants Lubricants and container sizes available from FEIN can be found on the FEIN Extranet. Lists of spare parts Lists of spare parts and exploded views are available online at www.fein.com All rights reserved by FEIN, especially in case of industrial rights registration.
  • Page 6: General Checks

    Idling speed for level 6 approx. +/- 3% tolerance (504 - 536 rpm) 520 rpm All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 7: Tools Required

    PZ 1 cross-tip screwdriver Flat nose pliers Arbor press Punch Slotted screwdriver Sleeves Longsleeve Circlip, angled All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 8 5. Lubricants and auxiliary substances required Lubricants Grease 0 40 101 0100 4 90 g All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 9 Before starting to repair or disassemble the tool, you must remove the mains plug from the socket and remove the drill bit from the tool. All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 10: Removing The Motor

    Tool: Pull gearbox housing out of motor housing with armature. - Torx 15 and 20 screwdriver All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 11 Loosen screw connection from cable on switch and take out cable. Tool: - Torx 20 screwdriver - PZ 1 cross-tip screwdriver All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 12 The two locking tabs snap in to the motor housing near the ball bearing seat. The locking tabs can be easily broken off so only lever up slightly. All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05...
  • Page 13 Drive out field coil by gently tapping the edge of the motor housing with a plastic hammer. Tool: - Torx 20 screwdriver - Plastic hammer All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 14 Tool: - Flat nose pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 15 The plastic bush is damaged when removed and always has to be replaced. Tool: - Plastic hammer - Slotted screwdriver All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 16: Removing The Gearbox

    Rotate drill shaft until the wrench flat provides good access for removing the circlip. Remove circlip in gearbox housing. Tool: - Longsleeve Circlip, angled - External circlip pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 17 Remove circlip from gear-wheel. Take out gear-wheel. Tool: - Slotted screwdriver - External circlip pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 18 Remove pressure spring and intermediate gear. Press drill shaft out of gearbox housing. Tool: - Arbor press All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 19 FEIN REPAIR TOOLS 4.5. Removing the drill shaft Slide sleeve off drill shaft Remove circlips All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 20 The ball bearing is damaged when pressed down and must be replaced. - Arbor press - External circlip pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 21 Use a punch to drive in fastening bolt. Remove spring. Tool: - Punch - Steel hammer All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 22 If release torque is higher or lower, replace slipping clutch. Tool: -2-20 Nm torque wrench -Open-ended spanner 13 mm -Vice with aluminium jaws All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 23: Electrical Tests

    Apply test voltage between the two black cables. The motor must now run. Tool: -Isolating transformer -Measurement terminals All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 24 Switch pressed: R < 1 Ω Switch not pressed: R = ∞ Ω Tool: -Multimeter All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 25 FEIN REPAIR TOOLS 5. Assembly All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 26 Use a hammer to drive fastening bolts into drill shaft until flush. Tool: - Punch - Steel hammer All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 27 Insert bolt in drill shaft – Attention: note installation position!!!!! (Yellow circles) Tool: - Arbor press - External circlip pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 28 Insert the two balls with a little grease. Fit sliding sleeve. Press drill shaft into outer bearing. Tool: - Arbor press All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 29: Fitting The Gearbox

    Insert intermediate gear with slipping clutch Add seal Attach intermediate bearing Tool: - External circlip pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 30 Attach sleeve and press down Tool: Attach disc and insert circlip - External circlip pliers - Longsleeve Circlip, angled All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 31 Attach plastic bush along with magnet ring. Drive in gearbox housing. Tool: - Plastic hammer - Arbor press - Sleeves All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 32 Insert armature in gearbox housing and drive in by tapping the housing gently. Tool: - Plastic hammer - Arbor press All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 33 Tool: - Flat nose pliers All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 34 Attach air guide ring and screw down in motor housing along with field coil Tool: - Torx 20 screwdriver - Plastic hammer All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 35 WARNING: Do not break off the two locking tabs. The two locking tabs snap in to motor housing near the ball bearing seat. All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 36 Attach top handle half shell and screw down Tool: - Torx 20 screwdriver - PZ 1 cross-tip screwdriver All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 37 Perform general function check - Torx 15 screwdriver Check restart protection. Perform electrical safety check. All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.
  • Page 38: Connection Diagram

    FEIN REPAIR TOOLS 7. Connection diagram All rights reserved by FEIN, especially in case of industrial rights registration. C-SC_CSSM 2012.05 FEIN retains all rights of disposal, such as copying and circulation.

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