
WSs 12-125
Angle Grinder
SERVICE
Tool service and maintenance must be performed only by qualified 
repair personnel.
When servicing a tool, only use identical replacement parts available 
from FEIN.
Repairs on FEIN Power T ools required the use of special tools (pulling devices 
and bearing press). Authorized repair centers have trained repair technicians 
and equipment necessary to per-form these repairs. Service or repairs performed 
by unqualified persons could result in operator injury.
For the location of the repair center near you, please call 1-800-441-9878. 
Monday thru Friday, 9AM to 5PM EST. Or, look on our web site at 
www .feinus.com and follow the link to “Authorized W arranty Repair Centers”
FEIN Power Tools 
1030 Alcon Street 
Pittsburgh, PA 15220
Phone: 412-922-8886 
March 10, 2004
Fax: 412-922-8767
T oll Free: 1-800-441-9878
 

FEIN Power Tools
WSs 12-125 Parts List
Item Item Number Description Reqd
10 3-24-31-021-00-7 CLAMP CLAMPING PIECE 1 
20 4-30-70-001-00-6 SCREW 2 
30 3-24-31-040-00-6 STRAIN RELIEF 1 
40 3-07-62-216-99-6 ELECTRONIC (110V) 1 
50 4-17-01-001-17-2 BALL BEARING 1 
60 3-07-12-088-02-9 BRUSH HOLDER 2 
70 3-07-11-136-00-2 CARBON BRUSH 2 
80 4-30-70-018-00-9 SCREW 2 
90 3-19-01-114-01-4 MOTOR HOUSING 1 
100 5-3-273-001-11-7 ARMATURE (110V) 1 
110 3-14-28-118-00-7 AIR CONDUCTING RING 1 
120 3-24-16-098-00-5 COVER PLATE 1 
130 3-18-10-235-00-4 GUARD 1 
140 4-30-70-007-00-2 SCREW 4 
150 4-30-41-023-04-6 SCREW 4 
160 4-24-43-003-04-3 LOCK WASHER 4 
170,280 3-38-09-227-01-0 BEVEL GEAR 1 
175 3-09-05-070-00-0 CUP SPRING 1 
180 6-38-02-178-02-3 CLAMPING FLANGE 1 
190 6-38-01-176-01-1 FLANGE 1 
200 4-26-16-073-00-5 CIRCLE CLIP 1 
210 3-09-05-067-01-5 CUP SPRING (24PCS) 1 
220 3-09-01-340-00-1 SPRING 1 
230 4-17-01-108-22-2 BALL BEARING 1 
240 3-28-05-158-00-0 LEVER 1 
250 3-24-19-112-00-0 BEARING PLATE 1 
260 3-24-16-099-00-9 COVER PLATE 1 
270 3-26-24-116-01-4 SHIM 1 
290 3-02-20-056-00-0 THRUST PIECE 1 
300 3-34-06-275-00-4 DRIVE SHAFT 1 
310 3-24-14-111-00-2 THRUST PLATE 1 
320 4-26-16-070-00-9 SECURING RING 1 
340 4-24-46-019-00-9 SPRING WASHER 4 
350 3-26-36-037-00-8 THRUST PIN 1 
360 3-09-05-069-00-8 BREAK DISK 4 
370 4-26-16-035-00-1 SECURING PIN 1 
380 3-02-17-318-00-2 THRUST PIN 1 
390 3-26-36-036-00-4 RING 1 
400 3-05-07-220-00-0 BUSHING 2 
410 3-02-16-144-00-7 LOCKING BOLT 1 
420 4-17-05-032-00-4 NEEDLE BEARING 1 
430 3-12-06-107-00-2 GEAR HOUSING 1 
440 3-28-05-157-00-2 QUICK CLAMPING LEVER 1 
450 4-17-01-007-03-8 BALL BEARING 1 
460 3-09-07-062-00-9 SPRING 1 
480 3-28-05-156-00-8 SLIDING SWITCH 1 
490 5-1-273-001-11-5 FIELD COIL (110V) 1 
500 4-30-70-017-00-1 SCREW 2 
510 3-28-16-053-00-8 SWITCH LOCK 1
 

520 3-28-16-052-00-4 SWITCH ROD 1 
530 4-30-41-039-09-9 SCREW 2 
540 3-07-01-218-00-3 ON/OFF SWITCH 1 
550 3-12-01-100-00-9 COVER 1 
560 3-14-15-082-00-4 BOLSTER 1 
570 3-14-13-007-00-7 PROTECTIVE SLEEVE 1 
580 3-07-05-035-01-3 CABLE 1 
590 3-21-19-107-01-6 HANDLE 1