Fein ASM14-2 Setup guide

ASM 14-2; 14-2 PC
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Repair instructions

ASM 14-2; 14-2 PC
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1. Models described
2. Technical data
3. Notes / regulations
4. Tools required
5. Lubricants and auxiliary materials required
6. Disassembly
7. Assembly
8. Troubleshooting
9. Wiring diagram
Contents

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These repair instructions describe how to repair the following models:
Model Order no.
ASM 14-2 7 112 60 …
ASM 14-2 PC 7 112 61 …
1. Models described

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2. Technical data
Technical data
All the 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 aids).
Lists of spare parts
Lists of spare parts and exploded views are available online at www.fein.com

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3. Notes / requirements
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 SafetyAct [ProdSG] applies for correct use.
Outside Germany, the regulations applicable in the relevant country must be observed.

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Standard tool Special tools
- Vice
- Torx 10 screwdriver
- Slotted screwdriver: 0.6x3.5
- Slotted screwdriver: 7.0x100
- Circlip pliers: External circlip pliers/cranked, 18-60 mm
- Circlip pliers: External circlip pliers/cranked, 3-10 mm
- Allen key: WAF 2.5 mm
- Snap ring pliers
- Bar magnet
- Forceps
- Feeler gauge
- Side-cutting pliers
- Soldering station
- Long-nosed pliers
- Torque wrench 3 21 23 002 00 6
4. Tools required
NOTE
Only special tools with an ordering code can be ordered from FEIN.

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Lubricants
Grease 0 40 123 0100 0 0.6 g Fill taper of tool holder with grease
Apply grease to ball seats
Apply approx. 1g to needle bearing bush
Auxiliary substances
Loctite 270 0 90 006 0010 9 50 ml Secure screws
5. Lubricants and auxiliary substances required

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6. Disassembly
Removing the motor housing
1. Remove the coded sleeve (1).
2. Unscrew the nine screws (2) from the motor housing.
3. Spread open the motor housing (3) and remove the housing cover.
4. Remove pressure piece (4).
Tools:
- Slotted screwdriver 0.6x3.5
- Circlip pliers
- Torx 10 screwdriver
1
3
2
4

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6. Disassembly
Removing the motor housing
1. Remove the slide switch with pressure spring (1) and the pushbutton with pressure spring (2).
2. Carefully pull out the foil conductor (3) and carefully remove from the motor housing.
1
2
3

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6. Disassembly
Removing the motor housing
1. Remove the two springs (1).
2. At the same time, lift the gearbox (2) and the tool holder (3).
3. Pull the tool holder (3) off from the planetary gear.
4. Remove the motor with the electronics (4) from the motor housing.
5. Pull the bush (5) off the planetary gear.
6. Pull off the plug (6).
Tools:
- Long-nosed pliers
- Slotted screwdriver
7.0x125
2 3
5
4
6
1

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6. Disassembly
Removing the motor housing
1. With a soldering rod, remove the connection cable from the motor connections (1).
2. With side-cutting pliers, remove the cable tie (2). Tools:
- Soldering rod
- Side-cutting pliers
1
2

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6. Disassembly
Removing the motor
NOTE
There is a risk that parts may fall out of the planetary gear when it is pulled out.
The photo shows the construction of the planetary gear.

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6. Disassembly
Removing the motor
1. Pull the gearbox (1) off the EC motor (2).
N.B.: Check the information on page 12.
2. Unscrew the screws (3) and remove the motor flange (4).
Tools:
- Socket head wrench:
WAF 2.5mm
2 1 3
4

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6. Disassembly
Removing the tool holder
1. Press the circlip (1) off the tool holder.
2. Remove parts (2) of the tool locking device.
Circlip, ring, pressure spring, sleeve, ball > D=4 mm.
Tools:
- Circlip pliers:
opener / stepped 3-10mm
- Slotted screwdriver
21

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6. Disassembly
Disassembling the clutch
1. Remove the circlip (1).
2. Remove the discs (2) and the grooved ball bearing (3).
3. Remove the discs (4) and the circlip (5).
4. Unscrew the adjusting ring (6).
The adjusting ring has a left-handed thread.
5. Remove the ring (7).
6. Remove the three balls from the ring (8).
Tools:
- Circlip pliers
opener / stepped, 3-10 mm
- Torque wrench
- Bar magnet
6
1 2
3
4
5
8
7

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6. Disassembly
Disassembling the cover
1. Remove the nine balls from the clutch ring (1) and tool holder.
NOTE
The balls are easier to take out if the clutch ring is degreased before disassembly.
Tools:
- Bar magnet
1

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7. Assembly
Assembling the clutch
1. Insert the lower clutch ring (1) in the correct position.
2. Apply grease (0 40 12 301 00 0) generously to the end of the tool holder (2).
3. Position the top clutch ring (3).
4. Insert the nine balls D=4mm through the hole (4).
5. Insert nine balls D=5mm (5) into the lower clutch ring.
Tools:
- Slotted screwdriver:
7.0x125
- Grease (0 40 12 301 00 0)
- Forceps
3
1
4
5
2

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7. Assembly
Assembling the clutch
1. Fit the pressure spring (1), ring (2) and adjusting ring (3) onto the pre-assembled tool holder.
2. Remove excess grease (4).
3. Screw in the adjusting ring by approx. 10 mm.
The adjusting ring has a left-handed thread.
Tools:
- Torque wrench
2
3
4
1

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7. Assembly
Fitting the tool holder
1. Fit the circlip (1) on the tool holder.
2. Fit the discs (2) on the tool holder.
Basic setting = 0.8 mm
3. Fit the grooved ball bearing (3) onto the tool holder.
4. Fit the discs (4) and the circlip (5).
Tools:
- Circlip pliers:
opener / stepped 3-10mm
3
1 4
2 5

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7. Assembly
Fitting the tool holder
1. Insert the ball (1) in the hole (2).
2. Slide the sleeve (3) over the tool holder.
3. Insert the spring (4) in the sleeve.
4. Place the ring (5) on the sleeve and press down.
5. Fit the snap ring (6).
Tools:
- Vice
- Snap ring pliers
2
3
4
5
6
1
6