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Models:
51370 - 4" Roloc
®
Disc Sander
51371 - 4-1/2" Disc Sander
52620 - 5" Depressed Center Wheel Grinder (5/8" x 11)
52625 - 5" Depressed Center Wheel Grinder (M14 x 2)
KEY
Oil: O
= Air Lube
O
1
A
Adhesive: A
= Loctite #609
1
A
= Loctite #567
8
A
= Loctite #243
10
T
Torque: N•m x 8.85 = In. - lbs.
Index Key
No. Part # Description
1 Lock Flange
53696
5/8" x 11
53631
M14 x 2
2 Flange
53697
5/8" x 11
53630
M14 x 2
3 54979
Guard
4 50192
4" Pad
5 94592
Spring
6 54896
Pin
7 54895
Button
8 96513
Shaft
9 54978
Lock Ring
10 54975
Rotor Nut
11 02552
Bearing
12 54899
Shim
13 54889
Shim
14 01277
Shim Pack (3/pkg.)
15 54974
Front Bearing Plate
16 52467
Rotor Spacer
17 Rotor
54971
Disc Sander
54965
DCWG - 5/8"-11
54632
DCWG - M14 x 2
54080
Roloc
®
Sander
18 54972
Rotor Vane 5/Pkg.
19 54976
Cylinder
(Incl. 51046 Pin)
20 51046
Pin
21 54977
Rear Bearing Plate
22 02651
Bearing
23 52609
Housing
24 96328
O-Ring
25 54803
Shim
26 54093
Lock Nut
27 54969
Rear Exhaust Insert
28 54897
Spring
29 54970
Plunger
30 03029
O-Ring
31 53209
Side Handle
32 51949
Safety Lock Lever
33 96444
Pin
34 Housing (Includes Labels)
54926
Model - 51370
54925
Model - 51371
54924
Model - 52620
54927
Model - 52625
35 51946
Valve Stem Assembly
(Incl. 96443 O-Ring)
36 51945
Seat
37 51944
Tip Valve
38 51943
Spring
39 96442
O-Ring
40 51940
Retainer
41 51939
Air Diffuser
42 51937
Inlet Adapter
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
Warning/Safety Operating Instructions for more complete safety information.
23
22
21
19
17
15
12
11
A
10
1
9
A
8
T
34 N•m
5
4" Roloc
®
4
1.3 Horsepower Tools
24
A
26
27
T
45 N•m
1
25
20
31
O
18
1
16
14
13
T
34 N•m
8
7
6
4-1/2" Disc Sander
50288 Disc Pad Assembly
Includes: Flange Set & Back-Up Pad
Parts Page Reorder No. PD03•22
Effective June, 2003
Air Motor and Machine Parts
28
29
30
Housing Labels
Warning Label
00001180 - For Models: 51370, 51371
00001243 - For Models: 52620, 52625
Specification Label
00001181 - For All Models
32
34
33
36
37
38
39
40
Depressed Center
Wheel Grinder(s)
3
2
1
'
s
35
A
10
O
1
41
42
T
34 N•m
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Table of Contents
Summary of Contents for Dynabrade 51370
- Page 1 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 Warning/Safety Operating Instructions for more complete safety information.
- Page 2 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 If the rotor/plate clearance needs adjustment, repeat shimming process adding or removing shims as required. 9. Once the correct rotor/plate clearance is achieved, install the 54972 Rotor Vanes (5/Pkg.) that have been lubricated with the 95842 Dynabrade Air Lube (10W/NR or equivalent).
- Page 4 RPM than marked on the tool, the tool should be serviced to correct the cause before use. Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into air inlet with throttle lever depressed. Operate tool for 30 seconds to determine if tool is operating properly and...
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