Fein AFSC 1.7Q Setup guide

AFSC 1.7Q; AFSC 18QSL
Repair instructions
C-SC_CSSM
Version 1.0
2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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AFSC 1.7Q; AFSC 18QSL
Contents
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2017-05-08
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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

AFSC 1.7Q; AFSC 18QSL
1. Models described
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2017-05-08
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These repair instructions describe how to repair the following models:
Model Order number
AFSC 1.7Q 7 129 18 .. .. .
AFSC 18QSL 7 129 27 .. .. .

AFSC 1.7Q; AFSC 18QSL
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

AFSC 1.7Q; AFSC 18QSL
3. Notes and requirements
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2017-05-08
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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.

AFSC 1.7Q; AFSC 18QSL
4. Tools required
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2017-05-08
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Standard tools Special tools
Outer puller 60x50 mm Drawing-off socket cap 6 41 04 150 00 8
Arbor press Chuck cone 16 mm 6 41 07 016 00 1
Punch 5 mm; 6 mm Press-in fixture 6 41 22 127 00 0
Hot air gun Assembly aid 6 41 22 122 00 0
Sleeve 6 mm inner diameter
16 mm outer diameter
34 mm inner diameter
42 mm outer diameter
56 mm inner diameter
70 mm outer diameter
Extractor tool 6 41 14 038 01 0
Soldering station
Vice
Torx T15; T20
Blade
Circlip pliers
Slotted screwdriver

AFSC 1.7Q; AFSC 18QSL
5. Lubricants and auxiliary substances required
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2017-05-08
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Lubricants
Grease 0 40 128 0300 0 4 g Tool head

AFSC 1.7Q; AFSC 18QSL
6. Removal
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Removing the motor housing
1. Cut through the type plate.
2. Unscrew the seven screws (1).
3. Remove half of the motor housing (2).
4. Remove the pressure piece (3).
5. Remove all components from the motor housing.
Tools:
- Blade
- Torx T15
1
2
3

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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Removing the motor housing
1. Remove the four pressure pieces (1).
1

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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Removing the stator
1. Unscrew the four screws (1).
2. Remove the pressure piece (2) [both sides].
3. Remove the housing (3).
Tools:
- Torx T20
3
1
2

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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Removing the stator
1. Remove the disc (1).
2. Tap the stator out of the housing.
3. Turn the air guide ring (2) anticlockwise and remove it.
4. Remove the sealing ring (3).
Tools:
- Sleeve
56 mm inner diameter
70 mm outer diameter
1
2
3

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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Removing the motor housing
1. Remove the pressure piece (1).
2. Unsolder the three cables (2). Tools:
- Soldering station
1
2

AFSC 1.7Q; AFSC 18QSL
6. Removal
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Version 1.0
2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the motor housing
1. Open the lever.
2. Place the extractor tool on the armature.
3. Heat the tool head with a hot air gun [600 °C] on the right and left sides at an angle of 45 degrees for
10 seconds.
4. Pull the armature out of the tool head.
5. Remove the needle bearing (1).
Tools:
- Press-in fixture
- Extractor tool
- Hot air gun
- Vice
1

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the tool head
1. Unscrew the fillister head screw (1).
2. Remove the locking spring (2).
3. Remove pin (3).
4. Remove lever (4).
5. Remove the eccentric ring (5).
6. Remove the bushes (6).
Tools:
- Assembly aid
- Vice
- Punch 5 mm
- Punch 6 mm
- Torx T20
6
5
1
2
4
3

AFSC 1.7Q; AFSC 18QSL
6. Removal
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Removing the tool head [applies to: AFSC 1.7Q]
1. Position the assembly aid (1).
2. Press in the pin (2). Tools:
- Assembly aid
1
2

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the tool head [applies to: AFSC 1.7Q]
NOTE
Risk of injury due to tensioned cup spring package.
When undoing the circlip, push the cup spring package down onto the arbor press using a punch.
1. Push the cup spring package down.
2. Remove the circlip (1).
Tools:
- Assembly aid
- Arbor press
- Punch 6 mm
- Circlip pliers
1

AFSC 1.7Q; AFSC 18QSL
6. Removal
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2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the tool head [applies to: AFSC 1.7Q]
1. Take out the sleeve (1).
2. Remove the cup spring package (2).
3. Press out the pin (3).
4. Press out the pressure piece (4).
Tools:
- Assembly aid
- Punch 5 mm
- Torx T20
3
2
1
4

AFSC 1.7Q; AFSC 18QSL
6. Removal
C-SC_CSSM
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2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the motor housing
1. Remove the sealing ring (1).
2. Remove the bearing bush (2).
3. Pull off the grooved ball bearing (3).
Tools:
- Outer puller 60x50 mm
- Drawing-off socket cap
- Chuck cone 16 mm
2
1
3

AFSC 1.7Q; AFSC 18QSL
7. Fitting
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2017-05-08
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Fitting the gearbox housing
1. Press on the grooved ball bearing (1).
2. Press the bearing bush (2) into the correct position.
3. Grease the sealing ring (3).
4. Position the sealing ring (3).
Replace the sealing ring during each fitting.
Tools:
- Arbor press
- Sleeve
6 mm inner diameter
16 mm outer diameter
- Sleeve
34 mm inner diameter
42 mm outer diameter
3
1
2

AFSC 1.7Q; AFSC 18QSL
7. Fitting
C-SC_CSSM
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2017-05-08
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FEIN retains all rights of disposal, such as copying and circulation.
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Removing the tool head [applies to: AFSC 1.7Q]
1. Place the cup springs (1) in the correct position on the sleeve (2).
2. Fit the circlip (3). Tools:
- Circlip pliers
- Assembly aid
3
1
2