Fein EVO WSB Series User manual

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1. Starting page

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Contents
1. Technical data
2. Maintenance
3. Electrical function test
4. Disassembly
5. Assembly
6. Tools for maintenance work
7. Modifications, extras, information for maintenance

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1. Technical Data:
Model
WSB
WSB
WSG
WSG
WSG
WSG
WSG
WSG
WSG
8-115
13-125
8-115
13-125
9-125
13-125 S
13-150
9-70 E
13-70 E
Order reference
With lock
7 221 20
7 221 14
7 221 21
7 221 15
7 221 25
7 221 28
7 221 16
7 221 22
7 221 17
Without
lock
7 221 35
7 221 34
Idle speed
rpm
10.000
10.000
10.000
10.000
7.000
7.000
7.000
2.500-
7.000
2.500-
7.000
Power consumption
W
800
1.200
800
1.200
800
1.200
1.200
800
1.200
Power output
W
550
750
550
750
550
750
750
550
750
Mains connection type
1~
1~
Weight without cable
kg
1,7
2,1
1,7
2,0
1,8
2,1
2,1
1,8
2,1
Safety class
II
II
Grinding/cutting wheel
DIN ISO 603
Max. diameter
mm
115
125
115
125
125
125
150
125
125
Thickness
mm
1-6
1-6
Elastic backing pad
Max. diameter
mm
115
115/125
115
115/125
115/125
125
150
125
125
Max. circumferential
speed
m/s
80
80
mounting hole
mm
22,23
22,23
Mounting thread
Quick-action clamp
M14

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2. Maintenance
2.1. Regulations
2.2. Cleaning and care
2.3. Carbon brush replacement
2.4. Maintenance intervals

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2.1. Regulations
Electrical tools are only to be repaired, serviced and tested by specially trained
electricians. Inappropriate maintenance and repair may cause serious operational
hazards for the user (BGV A3 ).
Carry out all routine tests in accordance with DIN VDE 0702.
After repairs, observe the regulations according to DIN VDE 0701 Part 1 .
Only use original FEIN replacement parts!
At initial operation, observe the relevant accident prevention regulations of the
trade and professional associations.
For information on intended use in Germany, refer to the product safety act
(Geräte- und Produktsicherheitsgesetz, GPSG).
When outside of Germany, refer to the locally valid product safety act!

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Injury hazards!
- ... through unintentionally switching on the unit.
- Pull plugs before cleaning work.
Once a week, more often when used frequently:
- Check cables (290) for signs of damage.
- Clean the cooling vents
- From outside, blow out the interior of the electrical tool through the
vent outlets using dry compressed air
2.2 Cleaning and care

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2.3. Carbon brush replacement:
The machine is equipped with carbon brushes with automatic switch-off.
When checking the carbon brushes, make sure that they are put back in the
same position and can be moved easily in the carbon brush holder.
If the carbon brushes are run down to a length of 7 mm, they must be replaced
by new carbon brushes.
Only use original FEIN carbon brushes, otherwise the regulations for EMC are
not being observed!
Break in the carbon brushes for 20 minutes at the lowest possible speed
without an electrical load.

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2.4. Maintenance work
After approx. 300 operating hours:
•Disassemble machine
•Thoroughly clean machine
•Replace bearing (armature)
•Replace magnetic ring
•Clean the speed controller (do not moisten)
•Check the cables and strands for abrasions
•Check for good fit of plugs and sockets
•Wash out gears using detergent and regrease

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3. Electrical function test
3.1. Minor functional test
3.2. Major functional test
3.3. Test data
3.4. Testing devices and aids
3.5. Wiring diagram / Connection plan
3.6. Safety test / final inspection

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3.1. Minor functional test
3.1.1. Minor functional test WSB 8-115 + WSB 13-125
3.1.2. Minor functional test WSG 8-115 + WSG 13-125 + WSG 9-125
+ WSG 13-125 S + WSG 13-150
3.1.3. Minor functional test WSG 9-70 E + WSG 13-70 E