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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.

WARNING

!

Parts Page Reorder No. APD01•06

Effective April, 2001

Supercedes APD97•02

Air-Powered, 2,400 RPM

Models:

10390 – Buffer
10391 – Mini Orbital Sander
10393 – Versatility Kit
10398 – 4"-5" Buffer

Palm-Style 

Buffer/Sander

54486 “Soft” Vinyl Face
54488 “Soft” Hook Face

54476 Mini-Orbital Head

50125 - 3" Rigid Backing
50146 - 4" Rigid Backing

90040 Foam Backing

Mini-Orbital Sanding Pads

(See page 4.)

3-1/2" Sanding Pad

See inside for Important Operating,

Maintenance and Safety Instructions.

AUTOMOTIVE

1

54021

Adapter 

2

01139

Bearing (3)

3

54467

Retaining Ring

4

95593

Set Screw

5

54468

Ring Gear

6

54465

Planetary Carrier 

7

06213  Gears (2)

8

54475

Shaft (2)

9

07146

Packing

10

57059

Lock Ring

11

95973

Washer 

12

57055

Front Ring

13

57437

Front Bearing Plate

14

54470

Rotor Pinion

15

56047

Rotor Key

16

95975

Shim Pack (4/pkg.)

17

54491

Rotor/Blade Set (5)

18

57058

Cylinder Assembly
(Incl. 95971 Line-Up Pin)

19

95971

Pin

20

57056

Rear Bearing Plate

21

01206

Bearing

22

57054

Rear Ring

23

10389

Housing

24

95979  Pin

25

57547

Lever

26

57065

Cone Muffler

27

57066

Muffler Body

28

56027

Muffler Insert (3)

29

56028

Muffler Cap

30

01464

Seal

31

01472

Tip Valve

32

01468

Conical Spring

33

01494

Inlet Bushing

34

95697

Snap Ring

35

01025

0-Ring (2)

36

01477

Valve Stem

37

57064

Speed Regulator

A

8

G

1

A

8

O

1

6

3

2

1

4

2

9

2

11

12

13

14

16

18

20

23

24

25

19

26

30

31

32

33

34

35

36

37

27

28

29

17

8

7

15

21

22

23 N•m

T

28 N•m

T

10

A

T

O

G

Adhesive:

A

8

= Loctite #567

Torque: N•m x 8.85 = In. - lbs.

Oil:  O

1

= Air Lube

Grease:  G

1

= Lubriplate 630 AA

KEY

Index Key

No.    Part #     Description

5

Summary of Contents for 10390

Page 1: ...etaining Ring 4 95593 Set Screw 5 54468 Ring Gear 6 54465 Planetary Carrier 7 06213 Gears 2 8 54475 Shaft 2 9 07146 Packing 10 57059 Lock Ring 11 95973 Washer 12 57055 Front Ring 13 57437 Front Bearing Plate 14 54470 Rotor Pinion 15 56047 Rotor Key 16 95975 Shim Pack 4 pkg 17 54491 Rotor Blade Set 5 18 57058 Cylinder Assembly Incl 95971 Line Up Pin 19 95971 Pin 20 57056 Rear Bearing Plate 21 01206...

Page 2: ...ne Year Warranty Following the reasonable assumption that any inherent defect which might prevail in a product will become apparent to the user within one year from the date of purchase all equipment of our manufacture is warranted against defects in workmanship and materials under normal use and service We shall repair or replace at our factory any equipment or part thereof which shall within one...

Page 3: ...et onto rotor pinion Important Place the correct number of shims from the 95975 Shim Pack under rotor to achieve a 0 0015 space between rotor and front plate Note Blades should be lightly lubricated with Dynabrade Air Lube P N 95842 or equivalent before installation into rotor slots 5 Place 57058 Cylinder Assembly over rotor The short line up pin goes toward the front plate 6 Place 57056 Rear Plat...

Page 4: ...hetic Wool 3 90030 Foam Waffle 3 90038 Foam Flat Face 3 1 2 90034 Natural Wool Scrim back Mount to 50120 or 50125 Hook Face Pads 1 4 Sponge 60 Duro Rubber 1 4 20 Female Thread 1 4 20 Female Thread Order vinyl face pads 54091 or 54092 for wet sanding operations For use with abrasive impregnated non woven nylon discs Soft Density All pads are 5 000 RPM maximum Medium Dual Density Hook n Loop 54017 3...

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