background image

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.

Air Motor and Machine Parts

Parts Page Reorder No. PD00•22

Effective February, 2000

.4 Hp/Right-Angle/Front Exhaust

2"–3" Disc Sander

50119

3" Disc Pad - 3/8" -24

50112

3" Disc Pad - 1/4" -20

02029 1/4" -20 Spindle

02028 3/8" -24 Spindle

02035 Lock Nut
01486 Silencer
54520 Bearing
97116

Shim

97117

Shim

97118

Shim

10 02623 Gear - 12,000 RPM 

02597 Gear - 15,000 RPM 
02599 Gear - 20,000 RPM

Bottom Wick 

11 02042 Wick - 12,000 RPM

02044 Wick - 15 & 20,000 RPM

Top Wick

12 02043 Wick - 12,000 RPM

02045 Wick - 15 & 20,000 RPM

13 02052 Housing – Includes:

13

A

01041 Gear Oil Fitting

13

B

02041 Gear Oil  Plate

13

C

02033 Needle Bearing

14 02624 Pinion - 12,000 RPM

02598 Pinion - 15,000 RPM
02600 Pinion - 20,000 RPM

15 01728 Felt Silencer
16 01461 Lock Nut
17 02697 Bearing
18 54553 Shim
19 54554 Shim
20 54551 Shim
21 01478 Bearing Plate
22 50767 PIn (2)
23 01479 Spacer
24 02037 Rotor
25 01480 Blade (4/pkg.)
26 01476 Cylinder
27 02676 Bearing Plate
28 02696 Bearing 
29 02679 Shield
30 01547 Collar
31 53908 Housing - 51830

53909 Housing - 51831
53910 
Housing - 51832
53911

Housing - 51833

53912 Housing - 51834
53913 
Housing - 51835

32 12132 Pin
33 01449 Valve Stem
34 01448 Throttle Lever
35 01464 Seal
36 01472 Tip Valve
37 01468 Spring
38 95558 Retaining Ring
39 95730 O-Ring
40 01469 Speed Regulator Assy.
41 01024 O-Ring
42 96065 O-Ring
43 53190 Block Plate
44 01494 Inlet Bushing 

WARNING

!

Models:

51830 – 

12,000 RPM, 1/4"-20 Spindle Thread

51831 – 

15,000 RPM, 1/4"-20 Spindle Thread

51832 – 

20,000 RPM, 1/4"-20 Spindle Thread

51833 – 

12,000 RPM, 3/8"-24 Spindle Thread

51834 – 

15,000 RPM, 3/8"-24 Spindle Thread

51835 – 

20,000 RPM, 3/8"-24 Spindle Thread

A

8

3

5

7

9

4

6

8

11

10

12

14

16

17

15

18

19

22

20

21

23

24

26

25

22

27

28

29

30

31

32

34

33

35

37

36

38

40

39

41

O

1

A

4

W

1

W

1

13

13

C

13

B

13

A

17 N•m

T

34 N•m

T

42

O

1

A

8

43

44

23 N•m

T

23 N•m

T

Loctite: A

4

= Loctite  #680

A

8

= Loctite  #567

Torque: N•m x 8.85 = In. - lbs. 

Oil:  O

1

= Air Lube

W

Wicking:  W

1

= Gear Oil

O

A

T

KEY

2

1

Index Key

No.    Part #      Description

For Serial No. 0B1000 and Higher

Right Hand Threads

Left Hand Threads

A

8

A

8

Summary of Contents for 51830

Page 1: ...4 Shim 20 54551 Shim 21 01478 Bearing Plate 22 50767 PIn 2 23 01479 Spacer 24 02037 Rotor 25 01480 Blade 4 pkg 26 01476 Cylinder 27 02676 Bearing Plate 28 02696 Bearing 29 02679 Shield 30 01547 Collar 31 53908 Housing 51830 53909 Housing 51831 53910 Housing 51832 53911 Housing 51833 53912 Housing 51834 53913 Housing 51835 32 12132 Pin 33 01449 Valve Stem 34 01448 Throttle Lever 35 01464 Seal 36 01...

Page 2: ...egulation two stage filtration of water contaminants and micro mist lubrication of pneumatic components Operates up to 40 SCFM 100 PSIG has 3 8 NPT female ports 5 Lubricate wick system through angle gear head gear oil fitting with 2 3 drops every 8 hours of use for maximum gear life Important Use recommended angle gear oil only for wick system Do not contaminate wick with any other oil or grease p...

Page 3: ... 02041 Gear Oil Plate with 01041 Gear Oil Fitting Head recessed into 02041 Gear Oil Plate 2 Place 2 drops of 680 Loctite or equivalent at location below 3 Place 02041 Gear Oil Plate into 02052 Housing as shown 4 Press 02033 Needle Bearing into 02052 Housing as shown Motor Assembly Important Make sure parts have been cleaned and thoroughly inspected for wear and damage before assembling 1 Place 020...

Page 4: ...h throttle lever depressed Operate tool for 30 seconds to determine if tool is operating properly and to allow lubricating oils to properly penetrate motor Motor should now be tested for proper operation at 90 PSIG If motor does not operate properly or operates at a higher RPM than marked on the tool the tool should be serviced to correct the cause before use Loctite is a registered trademark of L...

Reviews: