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Fein ASCT 14, Repair Instructions

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Fein ASCT 14 Repair Instructions Download Page 9

ASCT 14, 18 / 14U, 18U 

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 

2012.09 

9/48 

Version 1 

6.  Disassembly 

1. Remove battery. 
2. Remove screws from gearbox head. 
3. Remove gearbox head. 

Tool: 
 
-Torx 20 screwdriver 

Summary of Contents for ASCT 14

Page 1: ...8 14U 18U 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 09 1 48 Version 1 Repair instructions ...

Page 2: ...tration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 2 48 Version 1 1 Models described 2 Technical data 3 Provisions 4 Tools required 5 Lubricants and auxiliary substances required 6 Disassembly 7 Assembly 8 Troubleshooting 9 Connection diagram Contents ...

Page 3: ... rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 3 48 Version 1 These instructions describe how to repair the following models Model Order no ASCT 14 711314 ASCT 14U 711315 ASCT 18 711316 ASCT 18U 711317 1 Models described ...

Page 4: ...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 Customer Service Repair Guides Lubricants The lubricants and container sizes available from FEIN can be found on the FEIN Extranet Customer Service Repair Guides Lists of spare parts Lists of spare parts and exploded views are ava...

Page 5: ...d checked 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 relevant accident prevention regulations of the employers liability insurance associations are to be observed when commissioning The German Equipment and Product Safety Act applies for corre...

Page 6: ...ip pliers Socket wrench 2 0 mm Special tools Unlocking tool Arbor Sleeve Inner diameter 13 mm Outer diameter 30 mm Sleeve Inner diameter 7 mm Outer diameter 30 mm Sleeve Inner diameter 12 mm Outer diameter 25 mm Sleeve Inner diameter 13 mm Outer diameter 20 mm Sleeve Inner diameter 12 mm Outer diameter 20 mm Ball bearing support 30 mm Ball bearing puller 19 mm 6 41 07 019 00 7 Ball bearing puller ...

Page 7: ...ghts of disposal such as copying and circulation C SC_CSSM 2012 09 7 48 Version 1 4 Tools required Special tools Unlocking tool FEIN recommends using this unlocking tool because it is designed precisely for the plug contact used Manufacturer no 1 1579007 6 not available from FEIN Manufacturer www te com Price approx 40 ...

Page 8: ...rights of disposal such as copying and circulation C SC_CSSM 2012 09 8 48 Version 1 5 Lubricants and auxiliary substances required Lubricants ASCT 14 18 Grease 0 40 121 0300 4 10 g Gearbox Grease 0 40 106 0100 1 Plain bearing bush in intermediate bearing ASCT 14U 18U Grease 0 40 101 0100 4 10 g Gearbox roller bearing ...

Page 9: ...ly in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 9 48 Version 1 6 Disassembly 1 Remove battery 2 Remove screws from gearbox head 3 Remove gearbox head Tool Torx 20 screwdriver ...

Page 10: ... in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 10 48 Version 1 1 Loosen screws on upper section of housing and remove 2 Remove belt hooks 6 Disassembly Tool Torx 15 screwdriver ...

Page 11: ...2 09 11 48 Version 1 1 Remove plug on motor 2 Pull shrink fit hose slightly to the right and press out individual cables over fixing mechanism on air guide ring 3 Press motor cable out of plug with unlocking tool NOTE The locking noses in the plug are worn during disassembly Use new plugs for assembly 4 Take motor and air guide ring out of housing 6 Disassembly Tool Unlocking tool ...

Page 12: ...EIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 12 48 Version 1 1 Press switch cable out of plug with unlocking tool 6 Disassembly Tool Unlocking tool ...

Page 13: ... rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 13 48 Version 1 6 Disassembly Tool Ball bearing puller 19 mm 6 41 07 019 00 7 Drawing off socket cap with tip 6 41 04 150 00 8 1 Pull ball bearing and sealing ring off motor ...

Page 14: ...f disposal such as copying and circulation C SC_CSSM 2012 09 14 48 Version 1 1 Loosen circlip and remove along with disc NOTE It is easier to prise off the circlip if you use a small screwdriver 2 Remove pressure spring 3 Remove sleeve 4 Remove ball from tool holder 6 Disassembly Tool Circlip pliers Small slotted screwdriver ...

Page 15: ...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 09 15 48 Version 1 6 Disassembly ASCT 14U 18U ASCT 14 18 ...

Page 16: ...FEIN especially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 16 48 Version 1 1 Remove axial disc and two discs from intermediate bearing 6 Disassembly ASCT 14 18 ...

Page 17: ... rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 17 48 Version 1 6 Disassembly ASCT 14 18 1 Remove spur gear 2 Take tool holder out of gearbox head 3 Remove two discs and pressure spring from tool holder 4 Remove cam wheel ...

Page 18: ...f industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 18 48 Version 1 6 Disassembly ASCT 14 18 1 Press cam wheel down and off tool holder Tool Arbor press Sleeve Inner diameter 13 mm Outer diameter 30 mm ...

Page 19: ...ase of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 19 48 Version 1 Tool Open ended spanner 27 mm 1 Unscrew bearing bush from gearbox head 2 Remove sealing ring from bearing bush 6 Disassembly ...

Page 20: ...IN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 20 48 Version 1 6 Disassembly ASCT 14U 18U 1 Remove seal 2 Remove dog clutch shaft from intermediate bearing 3 Remove spring pin from dog clutch shaft 4 Remove ball from tool holder 5 Take tool holder out of gearbox head ...

Page 21: ...ying and circulation C SC_CSSM 2012 09 21 48 Version 1 6 Disassembly ASCT 14U 18U 1 Pull ball bearing out of dog clutch shaft 2 Remove disc and axial disc 3 Press spur gear down and off dog clutch shaft Tool Ball bearing puller 16 mm 6 41 07 016 00 1 Drawing off socket cap with tip 6 41 04 150 00 8 Sleeve Inner diameter 20 mm Outer diameter 30 mm ...

Page 22: ...ts registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 22 48 Version 1 6 Disassembly ASCT 14U 18U 1 Pull ball bearing out of dog clutch shaft Tool Ball bearing puller 28 mm 6 41 07 028 00 2 Drawing off socket cap with tip 6 41 04 150 00 8 ...

Page 23: ...hts registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 23 48 Version 1 6 Disassembly ASCT 14U 18U 1 Loosen socket head screw on tool holder 2 Unscrew adjustment screw for coupling adjustment Tool Socket wrench 2 0 mm Slotted screwdriver ...

Page 24: ...14 18 14U 18U 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 09 24 48 Version 1 7 Assembly ...

Page 25: ...IN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 25 48 Version 1 WARNING Incorrect assembly will damage device Motor shaft must be supported when pressing e g using an arbor 1 Press ball bearing on to motor 7 Assembly Tool Arbor press Arbor Ball bearing support D 19 mm ...

Page 26: ...such as copying and circulation C SC_CSSM 2012 09 26 48 Version 1 WARNING Incorrect assembly will damage device Motor shaft must be supported when pressing e g using an arbor 1 Slide sealing ring on to motor shaft 2 Carefully press sealing ring on to motor 7 Assembly Tool Arbor press Arbor Sleeve Inner diameter 7 mm Outer diameter 30 mm ...

Page 27: ...such as copying and circulation C SC_CSSM 2012 09 27 48 Version 1 Tool Open ended spanner 27 mm Torque wrench 1 Slide sealing ring on to bearing bush 2 Screw down bearing bush on gearbox head Tightening torque 10 12 Nm NOTE Only screw down bearing bush to the tightening torque specified once the tool has been fully assembled 7 Assembly ...

Page 28: ...U 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 09 28 48 Version 1 7 Assembly ASCT 14 18 ASCT 14U 18U ...

Page 29: ...case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 29 48 Version 1 1 Press cam ring on to tool holder 7 Assembly Tool Arbor press Sleeve Inner diameter 12 mm Outer diameter 25 mm ASCT 14 18 ...

Page 30: ...hts registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 30 48 Version 1 1 Slide cam ring disc spring and second disc on to tool holder 2 Grease tool holder and slide in to gearbox housing 7 Assembly ASCT 14 18 Tool Grease 0 40 121 0300 4 ...

Page 31: ...C SC_CSSM 2012 09 31 48 Version 1 1 Slide spur gear on to tool holder 2 Fill plain bearing bush in intermediate bearing with grease 3 Apply grease to thin disc and place on intermediate bearing 4 Apply grease to axial disc and place on intermediate bearing 5 Apply grease to thick disc and place on intermediate bearing 7 Assembly ASCT 14 18 Tool Grease 0 40 106 0100 1 ...

Page 32: ...trial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 32 48 Version 1 1 Fill gearbox with grease 10 g 2 Fit new seal 3 Connect gearbox housing and intermediate bearing 7 Assembly ASCT 14 18 Tool Grease 0 40 121 0300 4 ...

Page 33: ...g and circulation C SC_CSSM 2012 09 33 48 Version 1 7 Assembly ASCT 14U 18U 1 Screw in adjustment screw The further you insert the screw the greater the tool s tightening torque Factory setting for depth of engagement 0 75 mm The depth of engagement increases by 0 16 mm from one notch to the next 2 Tighten socket head screw Tool Socket wrench 2 0 mm ...

Page 34: ...SM 2012 09 34 48 Version 1 1 Grease ball bearing 2 Press ball bearing on to dog clutch shaft 3 Press spur gear on to dog clutch shaft NOTE The flat side of the spur gear must be on the side of the large ball bearing 7 Assembly ASCT 14U 18U Tool Grease 0 40 101 0100 4 Arbor press Sleeve Inner diameter 13 mm Outer diameter 20 mm Sleeve Inner diameter 20 mm Outer diameter 30 mm ...

Page 35: ...l rights of disposal such as copying and circulation C SC_CSSM 2012 09 35 48 Version 1 1 Grease ball bearing 2 Slide axial disc and disc on to dog clutch shaft 3 Press ball bearing on to dog clutch shaft 7 Assembly ASCT 14U 18U Tool Grease 0 40 101 0100 4 Arbor press Sleeve Inner diameter 10 mm Outer diameter 10 mm ...

Page 36: ...ially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 36 48 Version 1 7 Assembly ASCT 14U 18U 1 Grease tool holder and slide in to gearbox housing Tool Grease 0 40 101 0100 4 ...

Page 37: ...ially in case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 37 48 Version 1 7 Assembly ASCT 14U 18U 1 Insert spring pin in hole 2 Insert dog clutch shaft in to intermediate bearing ...

Page 38: ...rial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 38 48 Version 1 7 Assembly ASCT 14U 18U Tool Grease 0 40 101 0100 4 1 Fill gearbox with grease 10 g 2 Fit new seal 3 Connect gearbox housing and intermediate bearing ...

Page 39: ...copying and circulation C SC_CSSM 2012 09 39 48 Version 1 1 Check springs of battery plug contacts If necessary press the spring up a little 2 Fit air guide ring on to motor NOTE The recess with the detent must be next to the plug connection on the motor 3 Press motor cable into air guide ring s guides 7 Assembly Tool Small slotted screwdriver ...

Page 40: ... 48 Version 1 1 Insert motor into lower section of housing with air guide ring 2 Insert black motor cable at bottom 3 Insert switch into lower section of housing Place thin cables on top of black cable The red cable is at the top NOTE The thin cables must be under a thick cable so they are not squashed by the upper section of housing 7 Assembly Tool Small slotted screwdriver Cable hooks ...

Page 41: ... such as copying and circulation C SC_CSSM 2012 09 41 48 Version 1 1 Insert cables in plug as shown Check whether cables are secure in the plug 2 Individually press motor plug s cables over fixing mechanism on air guide ring 3 Insert plug in motor 4 Insert red motor cable in the guide above the other cables 7 Assembly Tool Cable hooks ...

Page 42: ...all rights of disposal such as copying and circulation C SC_CSSM 2012 09 42 48 Version 1 1 Insert belt hooks into lower section of housing NOTE The same switch is also used by other tools with potentiometer electronics e g ASCS 4 8 6 3 The small switch plug on this tool has no function and no connection 7 Assembly ...

Page 43: ...n case of industrial rights registration FEIN retains all rights of disposal such as copying and circulation C SC_CSSM 2012 09 43 48 Version 1 Tool Torx 20 screwdriver 1 Fit upper housing section and screw in place Fit gearbox head and screw in place 7 Assembly ...

Page 44: ...circulation C SC_CSSM 2012 09 44 48 Version 1 1 Place ball for fixing screwdriver bit in tool holder hole with a little grease 2 Slide sleeve and pressure spring on to tool holder 3 Place ring on pressure spring and press down 4 Fit circlip NOTE Use a new circlip for assembly 5 Perform function check 7 Assembly Tool Circlip pliers Small slotted screwdriver ...

Page 45: ...1 8 Troubleshooting Fault Cause Remedy Motor not running Motor is defective Check electrics with test board Switch is defective Check electrics with test board Battery plug contacts have come loose Check components Motor is running out of round Speed fluctuates Bearing gearbox is defective Check components Motor only turning in one direction Plug on motor has come loose or is not secure Check cabl...

Page 46: ...ecial tool for electrical troubleshooting You can use the test board for ASCS 4 8 6 3 ASCT 14 18 ASCM ABOP 6 10 13 2 Since the motor cannot be tested directly you can use the test board to check the functions of switches and torque potentiometers if present The test steps and nominal values for use with the test board are provided on the next page 8 Troubleshooting electrics Tool Test board 6 41 3...

Page 47: ...Battery data Passage 10 Ω Battery data blue Pin 6 Right left Passage Position 1 1 MΩ Position 2 10 Ω Pin 4 Pin 5 Speed potentiometer total resistance Resistor 20 kΩ 4 kΩ Pin 4 Pin 2 Speed potentiometer resistance range Resistor 0 Ω to 20 kΩ 4 kΩ proportional to potentiometer travel Switch not pressed 0 Ω Switch pressed 20 kΩ 4 kΩ Pin 4 Pin 3 Tool dependent tests Torque potentiometer total resistan...

Page 48: ... 14U 18U 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 09 48 48 Version 1 9 Connection diagram ...

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