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PARTS LIST FOR PN 28405, 12000 RPM, 4 1/2" GRINDER, TYPE-27 (SERIES C)
16
15
11
13
12
10
9
8
7
6
5
4
3
2
1
Fig
3M PN
1
87431
2
87420
3
87416
4
30367
5
06648
6
87419
7
87421
8
87417
9
55144
10
87426
11
87437
12
66767
13
66766
14
55083
15
87418
16
55079
17
87423
18
87424
19
87422
20
87429
21
06652
22
06510
23
28992
24
29004
25
06562
22
21
20
19
18
17
14
13
Description
Grease Seal (21" x 29" x 4")
Bearing Retainer
5/8"-11 Spindle Shaft
Ball Bearing (17" x 35" x 10")
Gear Spacer
Felt Washer (Output)
Spiral Bevel Gear 12,000 RPM
7/16"-20 Nylon Nut
Ball Bearing
0.500" x 0.25" x 0.125"
Wave Disc Spring
(0.494" x 0.377" x 0.009")
4.5" Type 27 Grinder Guard
1/4"-20 x 3/4" Screw
Washer
Hex Nut
Angle Head
O-Ring (1.19" x 0.063")
Clamp Nut
Spiral Retaining Ring
Spiral Bevel Gear 12,000 RPM
Felt Washer (Input)
Angle Head Spacer
Ball Bearing
(3/8" x 7/8" x 9/32")
Front End Plate
Font Wear Plate
Rotor (5 Slot)
Parts Page
27
25
24
23
26
42
41
34
33
35
36
37
38
39
40
Assembly Requirements
Fig.
Torque / Specification
2
10-15 ft-lb
6
Soak in Air Motor Oil
8
12
17
15-20 ft-lb
19
90-120 in-lb
20
Soak in Air Motor Oil
31
15-20 in-lb
46
20-25 ft-lb
Qty
Fig
1
26
1
27
1
28
1
29
1
1
30
1
1
31
2
32
33
1
34
35
1
36
1
37
2
38
1
39
1
40
1
41
1
42
1
43
1
44
1
45
1
46
1
47
Not shown
1
Not shown
1
Not shown
1
4
32
31
30
29
28
46
44 45
43
47
Threadlocker
3MTL62
None
120 in-lb
None
120 in-lb
None
3MTL62
3MTL62
None
3MTL42
3MTL62
3M PN
Description
28979
Vane Kevlar 1 HP (Set of 5)
06563
Cylinder
28981
Rear Endplate
06508
Ball Bearing
(1/4" x 5/8" x 0.1961")
06567
Washer
(0.251" x 0.468" x 0.063")
06568
Screw #8-32 x 3/8"
06609
O-Ring (1.38" x 0.094")
28977
Steel Housing 1 HP
06642
Lever Assembly
28980
Trigger Valve
28983
O-Ring
06614
Spring
06620
O-Ring (0.364" x 0.070")
06627
Air Regulator
06616
Pin
87402
Roll Pin
28978
Housing Cover 1 HP
29006
Muffler
28982
Diffuser Screen
29007
O-Ring
28991
3/8" NPT Bushing
87126
Label
06589
Wheel Flange
55115
Spanner Wrench
06524
5/8" Wrench
Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
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