Fein ASCS 4.8 Setup guide

ASCS 4.8, 6.3
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Repair instructions

ASCS 4.8, 6.3
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FEIN retains all rights of disposal, such as copying and circulation. C-SC_CSSM 2012.07 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

ASCS 4.8, 6.3
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These instructions describe how to repair the following models:
Model Order no.
ASCS 4.8 711310
ASCS 6.3 711311
1. Models described

ASCS 4.8, 6.3
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2. Technical 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 (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 available online at www.fein.com

ASCS 4.8, 6.3
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Stage ASCS 4.8 Stage ASCS 6.3
1 2 Nm 1 3 Nm
4 3 Nm 5 4 Nm
8 4 Nm 8 5 Nm
11 5 Nm 10 6 Nm
11 7 Nm
2. Technical data
NOTE
The stated torque values serve as guides for the torque setting. Variations will occur depending
on the situation.
Torque values

ASCS 4.8, 6.3
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3. Provisions
Provisions
Please note that power tools may only be repaired, maintained and 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 SafetyAct applies for correct use.
Outside Germany, the regulations applicable in the relevant country must be observed!

ASCS 4.8, 6.3
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4. Tools required
Standard tools
Torx 15 and 20 screwdrivers
Small slotted screwdriver
Arbor press
Plastic hammer
Slide gauge
Cable hooks
Circlip pliers
Special tools
Unlocking tool
Arbor
Sleeve: Inner diameter 55 mm
Outer diameter 65 mm
Sleeve: Inner diameter 15 mm
Outer diameter 25 mm
Sleeve: Inner diameter 7 mm
Outer diameter 30 mm
Ball bearing support 19 mm
Ball bearing puller 19 mm 6 41 07 019 00 7
Drawing-off socket cap 6 41 04 150 00 8
Test board 6 41 340 0100 0
NOTE
You can only order special tools with an
order number from FEIN.

ASCS 4.8, 6.3
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FEIN retains all rights of disposal, such as copying and circulation. C-SC_CSSM 2012.07 8/48 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

ASCS 4.8, 6.3
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FEIN retains all rights of disposal, such as copying and circulation. C-SC_CSSM 2012.07 9/48 Version 1
5. Lubricants and auxiliary substances
required
Lubricants
ASCS 4.8
Grease 0 40 121 0300 4 10 g Gearbox
Grease 0 40 106 0100 1 Plain bearing bush in intermediate bearing
ASCS 6.3
Grease 0 40 121 0300 4 13 g Gearbox
Grease 0 40 106 0100 1 Plain bearing bush in intermediate bearing

ASCS 4.8, 6.3
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6. Disassembly
1. Remove battery, depth stop sleeve, outer sleeve and screwdriver bit.
2. Remove screws from gearbox head.
3. Remove gearbox head.
Tool:
-Torx 20 screwdriver

ASCS 4.8, 6.3
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1. Loosen screws on upper housing section and remove this section.
2. Disconnect plug from potentiometer electronics.
3. Remove potentiometer electronics and belt hook.
6. Disassembly
Tool:
-Torx 15 screwdriver

ASCS 4.8, 6.3
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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

ASCS 4.8, 6.3
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1. Press switch cable out of plug with unlocking tool.
6. Disassembly
Tool:
-Unlocking tool

ASCS 4.8, 6.3
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6. Disassembly
Tool:
-Ball bearing puller 19 mm
-Drawing-off socket cap with tip
1. Pull ball bearing and sealing ring off motor.

ASCS 4.8, 6.3
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6. Disassembly
ASCS 4.8 ASCS 6.3
ASCS 4.8
ASCS 6.3

ASCS 4.8, 6.3
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6. Disassembly
WARNING
Damage to bush.
The bush must not be unscrewed even though it has a spanner flat.

ASCS 4.8, 6.3
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1. Loosen circlip and remove along with disc.
2. Remove pressure spring.
3. Remove sleeve.
6. Disassembly
Tool:
-External circlip pliers
-Small slotted screwdriver

ASCS 4.8, 6.3
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1. Remove axial disc and two discs from intermediate bearing.
6. Disassembly
ASCS 4.8

ASCS 4.8, 6.3
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6. Disassembly
ASCS 4.8
1. Remove ball from tool holder.
2. Remove cam wheel.
3. Take tool holder out of gearbox head.
4. Remove two discs and pressure spring from tool holder.

ASCS 4.8, 6.3
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FEIN retains all rights of disposal, such as copying and circulation. C-SC_CSSM 2012.07 20/48 Version 1
6. Disassembly
ASCS 4.8
1. Press cam wheel down and off tool holder.
Tool
-Arbor press
-Sleeve: Inner diameter 15 mm
Outer diameter 25 mm