Fein ASCD 12-150 W4 Setup guide

ASCD 12-150 W4; ASCD 12-150 W8
Repair instructions
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Version 1.0
2018-06-13
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FEIN retains all rights of disposal, such as copying and circulation.
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ASCD 12-150 W4; ASCD 12-150 W8
Contents
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2018-06-13
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1. Models described
2. Technical data
3. Notes and requirements
4. Tools required
5. Lubricants and auxiliary substances required
6. Removal
7. Fitting
8. Troubleshooting
9. Connection diagram

ASCD 12-150 W4; ASCD 12-150 W8
1. Models described
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These repair instructions describe how to repair the following models:
Model Order number
ASCD 12-150 W4 7 115 05 .. .. .
ASCD 12-150 W8 7 115 04 .. .. .

ASCD 12-150 W4; ASCD 12-150 W8
2. Technical data
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Technical data
All the technical data can be found in the operating instructions for the model.
Tests
Up-to-date test data and test instructions after repair can be found on the FEIN Extranet (Customer Service → Repair Guides).
Lubricants / Auxiliary substances
The lubricants or auxiliary substances and their 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

ASCD 12-150 W4; ASCD 12-150 W8
3. Notes and requirements
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Please note
These instructions are only intended for persons with suitable technical training. It is assumed that the reader has mechanical and
electrical training.
Only use original FEIN spare parts.
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.
The relevant accident prevention regulations of the employer’s liability insurance associations are to be observed when
commissioning.
The German Equipment and Product Safety Act [ProdSG] applies for correct use.
Outside Germany, the regulations applicable in the relevant country must be observed.

ASCD 12-150 W4; ASCD 12-150 W8
4. Tools required
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Standard tools Special tools
Circlip pliers Assembly aid 6 41 22 125 01 0
Slotted screwdriver Extractor tool 6 41 14 037 00 0
Blade
Vice
Torx T10; T15
Side-cutting pliers
Soldering station
Arbor press
Punch Dia. 3 mm; dia. 4 mm
Hacksaw
Sleeve 6 mm inner diameter
20 mm outer diameter

ASCD 12-150 W4; ASCD 12-150 W8
5. Lubricants and auxiliary substances required
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Lubricants
Klübersynth GE 14-151 0,5 g Gearbox

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the sleeve [applies to: ASCD 12-150 W4]
1. Remove the circlip (1).
2. Remove the disc (2).
3. Remove the spiral spring (3).
4. Remove the sleeve (4).
5. Remove the ball (5).
Tools:
- Circlip pliers
- Slotted screwdriver
- Magnet
1
2
3
4
5

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the motor housing
1. Cut through the type plate.
2. Remove the circlip (1).
3. Unscrew the four screws (2).
4. Remove the gearbox housing (3).
5. Unscrew the nine screws (4).
6. Remove the motor housing (5).
7. Remove the pressure piece (6).
Tools:
- Blade
- Torx T10
1
3
2
4
5
6

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the motor housing
1. Remove the nut (1).
1. Remove all components from the motor housing.
2. Pull off the gearbox (2).
3. Pull off the speed setting switch (3).
4. Remove the insulating ring (4).
5. Pull out the rotor (5).
2
3
4
5
1

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the motor housing
1. Pull off the plug (1).
2. Remove the cable tie (2).
3. Unsolder the three cables (3).
Tools:
- Side-cutting pliers
- Soldering station
1
2
3

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the switch
1. Lift up the two hooks (1).
2. Pull off the switch (2). Tools:
- Slotted screwdriver
2
1

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the stator
1. Press down on the grooved ball bearing (1).
2. Protect the rotor from metal swarf.
3. Saw the pinion to the correct size.
4. Remove the remaining pinion (2) together with the grooved ball bearing.
Tools:
- Arbor press
- Punch, dia. 3 mm
- Extractor tool
- Vice
- Hacksaw
- Punch, dia. 4 mm
1
13 mm
2

ASCD 12-150 W4; ASCD 12-150 W8
6. Removal
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Removing the gearbox
1. Remove the circlip (1).
2. Remove the gearbox housing (2).
3. Remove the tool holder (3).
The tool holder varies depending on the model.
Tools:
- Slotted screwdriver
1
2
3

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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Removing the gearbox
1. Grease the tool holder.
2. Position the tool holder (1).
3. Fit the gearbox housing (2) in the correct position.
4. Fit the circlip (3).
Tools:
- Slotted screwdriver
2
3
1

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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2018-06-13
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Fitting the rotor
1. Press on the grooved ball bearing (1).
2. Press on the grooved ball bearing (2).
3. Press on the pinion (3).
Tools:
- Arbor press
- Sleeve
6 mm inner diameter
20 mm outer diameter
1
2
3

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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2018-06-13
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Fitting the switch
1. Position the switch (1).
1

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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Fitting the stator
1. Solder the three cables (1) as shown in the connection diagram.
2. Push the protective hose up to the soldering point.
3. Secure the cable harness to the red cable (2) with a cable tie.
Place the cable tie in the correct position as shown in the photograph.
4. Insert the cable (3).
Tools:
- Soldering station
- Side-cutting pliers
2
1
3

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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Fitting the gearbox
Caution: Magnetic field!
Damage caused by metal foreign bodies on the rotor.
Clean the rotor before the housing is fitted.
1. Insert the rotor (1).
2. Position the insulating ring (2).
3. Insert the speed setting switch (3).
4. Fit the gearbox (3) in the correct position.
Insert the pinion into the centre of the gearbox.
5. Check that the gearbox runs true.
If the gearbox is not running true, reassemble the gearbox correctly.
3
2
1
3

ASCD 12-150 W4; ASCD 12-150 W8
7. Fitting
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Fitting the gearbox
1. Insert the toggle switch (1).
2. Insert the gearbox (2) in the correct position.
Align position (3) to point upwards.
3. Insert the electronics (4).
4. Insert the speed setting switch (5).
5. Insert the nut (6).
1
3
4
5
6
2