5
Parts Page
PARTS LIST FOR PN 28413, 12000 RPM, 4” GRINDER, TYPE-27 EXTENDED
Fig 3M PN Description
1 55082 Retainer - Grinding wheel
2 55085 Wheel Flange
3 55076 Socket Head Hex Screw, 1/4-20
4 66766 Washer (2)
5 55083 Hex Nut, 1/4-20
6 55109 4” Type 27 Guard
7 55088 Retaining Ring
8 55101 Output Spindle 5/8-11 Thread
9 55078 Ball Bearing
10 55113 Gear Set
11 55114 Ball Bearing  
1/2 in. x 1/4 in. x 1/8 in. (2)
12 55111 Angle Head
13 06523 Grease Fitting 1/8 in.
14 06503 Jam Nut
15 28402 Support Handle
16 28731 Tapered Clamp Nut
17 06510 Ball Bearing (3)
18 55092 Bearing Holder
19 55110 Disc Spring (2)
20 28732 Shaft
21 55097 Spring
22 28733 O-ring
23 28734 Coupler
24 28735 Extension Housing
25 06653 Angle Head Clamp Nut
26 06609 O-ring
27 66774 6-32 x 1/4 in. Socket Head Set 
Screw
28 28736 Locking Clamp Nut
29 06639 Front End Plate
30 06561 Rotor (5 slot)
Fig 3M PN Description
31 06643 Vane Set
32 06563 Cylinder
33 06560 Rear End Plate
34 06527 Wave Washer
35 06508 Ball Bearing
36 06567 Washer
37 06568 Button Head Cap Screw  
8-32 x 3/8 in.
38 55099 Housing
39 06642 Lever Assembly
40 06558 Pin Torr 3/16 in. x 7/8 in.
41 06543 O-Ring
42 06511 O-Ring 1/16 in. x 3/8 in. x 1/2 in.
43 06556 Regulator
44 06501 Set Screw 6-32 x 3/4 in.
45 06559 Knurl Pin
46 06598 Housing Cover
47 06566 Warning Label
48 06552 Throttle Valve Seat
49 06557 Mufer
50 06553 Throttle Valve  
51 06554 Taper Spring
52 55084 Exhaust Deector
53 06555 Screen
54 06608 O-Ring 1/16 in. x 5/8 in. x 3/4 in.
55 55098 * LH Thread Bushing 3/8 in. NPT
56 55081 Spanner Wrench
57 06524 Wrench 5/8 in. Flat
58 55106 4.5” Guard (deep) - Optional
59 55100 Flanges (2)
60 55077 Set Screw 6-32 x 1/8 in.
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29
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16
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4
LUBRICATE
FUCHS RENOLIT 
A X S2 OR EQUAL
USE 3M TL62 
THREADLOCKER
   TO 
30-40 FT-LB
   TO 
120 IN-LB
USE 3M TL62 
THREADLOCKER
   TO 
90-130 IN-LB 
FILL WITH 
COUPLING GREASE
USE 3M TL62 
THREADLOCKER
   TO 
20-30 FT-LB
USE 3M TL62 
THREADLOCKER
   TO 
90-130 IN-LB
USE 3M TL62 
THREADLOCKER
   TO 
20-25 FT-LB
LH THREAD
INSTALL WITH
BEVEL FACING OUT
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