Dynabrade 50304, Manual

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Air Motor and Machine Parts
Always operate, inspect and maintain this tool in accordance with the Safety Code for portable air
tools (ANSI B186.1) and any other applicable safety codes and regulations. Please refer to Dynabrade’s
Warning/Safety Operating Instructions for more complete safety information.
See reverse side for Accessories and Important Operating, Maintenance and Safety Instructions.
Models:
50304 – 8,500 RPM
50307 – 11,000 RPM
PD06.28R
July, 2018
Supersedes PD06.28
4-1/2"– 5" Vertical
Disc Sander
1 01790 Screw (4)
2 01791 Washer (6)
3 07123 Governor Cover
4 07129 Gasket
5 07126 Governor Bushing
6 50471 Spring Holder
7 95611 Spacer (6/pkg.)
8 07159 Governor Spring - 8,500
07175 Governor Spring - 11,000
9 50470 Pin
10 50463 Governor Valve
11 50938 Governor Pin (2)
12 50399 Governor Weight (2) - 8,500
50460 Governor Weight (2) - 11,000
13 07124 Governor Cage
14 01007 Bearing
15 07114 Rear Bearing Plate
16 01775 Pin
17 07118 Cylinder
18 01673 Pin
19 07107 Blade (5/pkg)
20 07104 Rotor
21 07120 Front Bearing Plate
22 01277 Shim Pack (3/pkg.)
23 02552 Bearing
24 07158 Spacer
25 07135 Rotor Nut
26 07157 Handle Grip
27 52093 Rod
28 50511 Screw (2)
29 07149 Clamp
30 01797 Exhaust Cover
31 01798 Felt Silencer
32 96304 Gasket
33 07161 Housing
34 07136 Grip
35 02658 Packing
36 02631 Nut
37 02626 Adjustment Bushing
38 01746 O-Ring
39 01089 Safety Throttle Lever
40 07141 Valve Body
(Includes
07142 Bushing)
41 07142 Bushing
42 01697 Inlet Bushing
43 01017 Pin
44 07168 Valve Stem Assembly
45 07145 Spring
46 07146 Packing
47 07147 Plug
Index Key
No. Part # Description
O
A
T
Oil: O
1
= Air Lube
Adhesive:
A
2
= Loctite #271
A
6
= Loctite #380
A
8
= Loctite #567
Torque: N•m x 8.85 = In. - lbs.
KEY
12
14
15
16
18
2
3
4
6
5
11
O
1
A
2
A
6
A
8
A
8
A
8
A
2
11
N
•m
T
8 N•m
T
9 N•m
T
45 N•m
T
8 N
•m
T
50 N•m
T
45
N•
m
T
17 N•m
T
17
10
7
8
9
23
LE
FT
H
AN
D
TH
RE
AD
S
13
20
21
22
24
29
30
31
27
40
39
43
44
45
46
35
34
33
32
26
O
1
23 N•m
T
41
38
19
25
2
28
37
36
42
47
1
Tool Intent: Disc Sanders are for material
removal and finishing applications, using
properly speed-rated (RPM) coated and
engineered abrasives with 7/8" through-hole.
Always follow adhesive
manufacturers cleaning
and priming
recommendations.