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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.
Models:
50304 – 8,500 RPM
50307 – 11,000 RPM
K Y
O
Oil: O
= Air Lube
1
Adhesive:
A
A
= Loctite #271
2
A
= Loctite #380
6
A
= Loctite #567
8
T
Torque: N•m x 8.85 = In. - lbs.
Index Key
No. Part #
Description
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
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.
Always follow adhesive
manufacturers cleaning
and priming
recommendations.
A
15
17
16
18
32
33
See reverse side for Accessories and Important Operating, Maintenance and Safety Instructions.
4-1/2"– 5" Vertical
11
T
9 N•m
8
13
8
12
14
10
24
T
23 N•m
25
31
T
50 N•m
A
8
A
2
37
36
35
34
17 N•m
Supersedes PD06.28
Disc Sander
Air Motor and Machine Parts
2
3
4
5
6
7
9
20
21
22
23
28
2
29
30
38
39
41
40
44
A
8
46
45
T
47
PD06.28R
July, 2018
1
T
8 N•m
19
O
1
27
26
T
45 N•m
O
1
42
A
2
43
A
6
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Table of Contents
Related Manuals for Dynabrade 50304
Summary of Contents for Dynabrade 50304
- Page 1 50307 – 11,000 RPM 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.
-
Page 2: Operating Instructions
2. Some silencers on air tools may clog with use. Clean and replace as required. 3. All Dynabrade Rotary Vane air motors should be lubricated. Dynabrade recommends one drop of air lube per minute for each 10 SCFM (example: if the tool specifications state 40 SCFM, set the drip rate of your filter-lubricator at 4 drops per minute). - Page 3 Disassembly/ ssembly Instructions — 4-1/2" – 5" Vertical Disc Sander Important: Manufactures warranty is void if tool is disassembled before warranty expires. Notice: All of the special repair tooling referred to in these instructions can be ordered from Dynabrade. Please refer to this parts page for the Motor Disassembly: proper part identification.
- Page 4 6. Lubricate the 07107 Blades (5) with the 95842 Dynabrade Air Lube (10W/NR or equivalent) and install these into the vane slots in the motor. 7. Install the 07118 Cylinder over the 07104 Rotor so that the air inlet opening of the cylinder will line up with the air inlet opening in the 07114 Bearing Plate.
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