Dynabrade 57900, Safety, Operation And Maintenance

This service chart is published as a guide to expectant life of component parts. The replacement levels are based on average tool
usage over one year. Dynabrade Inc. considers one year usage to be 1,000 hours.

Preventative Maintenance Schedule

For All .4hp Dynafine

®

Sanders

Note:

Please refer to page 4 of tool

manual for specific part number.

Index  Part

Description

Number  High Wear  Medium Wear  Low Wear  Non-Wear 

#

Number

Required

100%

70%

30%

10%

1

See Note

Screw

2

L

2

57932

3/8" Sanding Arm

1

X

3

57953

Hook-Face Pad

1

X

4

See Note

Vinyl Face Pad

1

X

5

96296

Screw

2

L

6

57956

Raised Panel Pad

1

X

7

98292

Pad Adapter

1

X

8

58013

Pad Mount

1

X

9

11016

Bearing

1

T

10

57975

Boot Assembly

1

X

11

97326

Boot Clamp

1

X

12

58095

Cam Assembly

1

X

13

57962

Exhaust Cover

1

X

14

02649

Bearing

1

X

15

54529

Shim Pack (3/pkg.)

1

D

16

02038

Front Bearing Plate

1

X

17

01479

Spacer

1

L

18

01480

Blades

4

T

19

02037

Rotor

1

X

20

01476

Cylinder

1

X

21

50767

Pin

1

X

22

02673

Rear Bearing Plate

1

X

23

02696

Bearing

1

T

24

02679

Shield

1

T

25

See Note

Housing

1

X

26

01548

Gasket

1

T

27

01461

Lock Nut

1

X

28

01558

Collar

1

D

29

95523

O-Ring

1

T

30

01470

Insert

1

X

31

See Note

Housing

1

X

32

95558

Retaining Ring

1

T

33

01449

Valve Stem

1

T

34

See Note

Lever

1

X

35

12132

Pin

1

T

36

95730

O-Ring

1

X

37

01024

O-Ring

1

X

38

01469

Speed Regulator Assy.

1

T

39

01464

Seal

1

T

40

01472

Tip Valve

1

T

41

01468

Spring

1

T

42

96065

O-Ring

1

T

43

57970

Air Control Ring

1

X

44

* 95438

O-Ring

1

T

45

* 95711

Retaining Ring

1

T

46

* 94521

Muffler Cap

1

D

47

* 94528

Felt Muffler

1

T

48

* 94522

Muffler Base

1

D

49

* 95375

O-Ring

1

T

50

* 94526

Spacer

1

X

51

* 94523

Inlet Adapter

1

X

52

94407

1/4" Flow Control Valve

1

X

53

10293

Shrink Tube

1

X

54

95955

10' Tubing

1

X

55

95962

Quick Disconnect

1

X

56

57751

Button (w/set screw)

1

X

57

97327

Screw

2

X

58

95074

Hose Fitting

1

X

59

57728

Nozzle

1

X

60

57778

Bracket

1

X

61

57727

Valve Cartridge

1

X

62

95523

O-Ring

1

X

63

56076

Throttle Valve

1

X

7

96236 – Motor Tune-Up Kit

LEGEND

T

Included in Tune-Up Kit.

X

Type of wear, no other 
comments apply.

L

Easily lost. Care during 
assembly/disassembly.

D

Easily damaged during 
assembly/disassembly.

R

Replace each time tool is 
disassembled.