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