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3M 5 in Buffer 

Revision 10242011

3M 5 in Buffer 

Revision 10242011

BUFFER INSTRUCTION MANUAL 
5 in (127 mm) 10,000 RPM 

Important Safety Information

Please read, understand and follow all safety information contained in these instructions prior to the use of this tool. Retain these instructions for future reference.

Intended Use

This pneumatic tool is intended for use in industrial locations, and used only by skilled, trained professionals in accordance with the instructions in this manual. This 

pneumatic tool is designed to be used with the disc pad and appropriate 3M foam buffing pads and with appropriate buffing or polishing compounds or appropriate 

3M™ Abrasive discs for buffing metals, wood, stone, plastics and other materials. It should only be used for such buffing applications and within marked capacity 

and ratings. Only accessories specifically recommended by 3M should be used with this tool. Use in any other manner or with other accessories could lead to unsafe 

operating conditions.
Do not operate tool in water or in an excessively wet application.
Do not use disc pads that have a Max RPM or Max OPM less than the tool Max RPM or Max OPM rating.

Summary of device labels containing safety information

Marking

Description

 

WARNING: 

READ AND UNDERSTAND INSTRUCTION MANUAL BEFORE OPERATING TOOL.

 

WARNING: 

ALWAYS WEAR APPROVED EYE PROTECTION.

 

WARNING: 

ALWAYS WEAR APPROVED EAR PROTECTION.

 

WARNING: 

HAND/WRIST/ARM INJURY CAN  

OCCUR WITH PROLONGED EXPOSURE TO VIBRATION

HAND/WRIST/ARM INJURY CAN OCCUR WITH PROLONGED EXPOSURE TO VIBRATION

DO NOT EXCEED 90 PSIG  
(6.2 BAR) AIR PRESSURE

 

WARNING: 

MAXIMUM AIR PRESSURE WARNING

10,000 RPM

MAXIMUM ROTATIONAL SPEED

 WARNING

To reduce the risks associated with impact from abrasive product, disc pad, or tool breakup, sharp edges, hazardous pressure, rupture, vibration and 

noise:

• Read, understand and follow the safety information contained in these instructions prior to the use of this tool. Retain these instructions for future reference.

• Only personnel who are properly trained should be allowed to service this tool.

• Practice safety requirements. Work alert, have proper attire, and do not operate tools under the influence of alcohol or drugs.

• Operators and other personnel must always wear protection for eyes, ears, and respiratory protection when in the work area or while operating this product. 

Follow your employer’s safety policy for PPE’s and/or ANSI Z87.1 or local/national standards for eyewear and other personal protective equipment requirements.

• Wear protective apparel, taking into consideration the type of work being done.

• Never exceed marked maximum input pressure (90psi/.62Mpa/6.2Bars).

• Proper eye protection must be worn at all times.

• Tool shall not be operated in the presence of bystanders.

• If you notice any abnormal noise or vibration when operating the tool, immediately discontinue its use and inspect for worn or damaged components. Correct or 

replace the suspect component. If abnormal noise or vibration still exists, return the tool to 3M for repair or replacement. Refer to warranty instructions.

• Never operate this tool without all safety features in place and in proper working order.

• Never over-ride or disable the safety features of the start-stop control such that it is in the on position.

• Make sure the tool is disconnected from its air source before servicing, inspecting, maintaining, cleaning, and before changing abrasive product.

• Prior to use, inspect abrasive product and accessories for possible damage. If damaged, replace with new abrasive product and accessories available from 3M.
• Only use accessories supplied or recommended by 3M.
• Never allow this tool to be used by children or other untrained people.
• Do not leave an unattended tool connected to air source.

 WARNING

To reduce the risks associated with vibration:

• If any physical hand/wrist discomfort is experienced, work should be stopped promptly to seek medical attention. Hand, wrist and arm injury may result from 

repetitive work, motion and overexposure to vibration.

To reduce the risks associated with loud noise:

• Always wear hearing protection while operating this tool. Follow your employer’s safety policy or local/national standards for personal protective equipment 

requirements. 

To reduce the risks associated with fire or explosion:

• Do not operate the tool in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. The abrasives are able to create sparks when 

working material, resulting in the ignition of the flammable dust or fumes.

• Refer to MSDS of the material being worked as to potential for creating fire or explosion hazard.

To reduce the risks associated with hazardous dust ingestion or eye/skin exposure:

• Use appropriate respiratory, skin protection, and/or local exhaust as stated in the MSDS of the compound used and of the material being worked on.

To reduce the risks associated with hazardous voltage:

• Do not allow this tool to come into contact with electrical power sources as the tool is not insulated against electrical shock.

 CAUTION

To reduce the risks associated with skin abrasion, burns, cuts, or entrapment:

• Keep hands, hair, and clothing away from the rotating parts of the tool.

• Wear suitable protective gloves while operating tool.

• Do not touch the rotating parts during operation for any reason.

• Do not force tool or use excessive force when using tool.

To reduce the risk associated with whipping or hazardous pressure-rupture:

• Ensure supply hose is oil resistant and is properly rated for required working pressure.

• Do not use tools with loose or damaged air hoses or fittings.

• Be aware that incorrectly installed hoses and fittings might unexpectedly come loose at any time and create a whipping/impact hazard.

To reduce the risk associated with fly off of abrasive product or parts:

• Use care in attaching abrasive product and mounting hardware; following the instructions to ensure that they are securely attached to the tool before use or  

free-spinning.

• Never free spin the tool or otherwise allow it to be started unintentionally.

• Never point this product in the direction of yourself or another person, or start tool unintentionally.

• Never over-tighten accessory fasteners. 

Explanation of Signal Word Consequences

Indicates a potentially hazardous situation which, if not avoided, may result in death or serious injury and/or property damage.

Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury and/or property damage.

WARNING:

CAUTION:

Original Instructions

Parts Page

60

24

61

47

1

2

3

4

38

50

5

7

8

9

10

11

12

13

16

15

14

17

18

19

20

21

22

23

24

25

27

28

32

30

31

34

33

6

26

57

29

39

35

36

41

42

37

43

45

46

40

44

47

54

53

48

49

52

55

51

56

47

58

59

57

ITEM NO.

TORQUE SETTINGS in-lbs (N-m)

12

55 - 65 (6.2 - 7.3)

46

60 - 72 (6.8 - 8.1)

47

21 - 30 (2.4 - 3.4)

50

27 - 30 (3.0 - 3.4)

57

29 - 33 (3.3 - 3.7)

Summary of Contents for 28392

Page 1: ...ir source before servicing inspecting maintaining cleaning and before changing abrasive product Prior to use inspect abrasive product and accessories for possible damage If damaged replace with new abrasive product and accessories available from 3M Only use accessories supplied or recommended by 3M Never allow this tool to be used by children or other untrained people Do not leave an unattended to...

Page 2: ...culate the oil If the tool is used frequently lubricate it on a daily basis or lubricate it if the tool starts to slow or lose power It is recommended that the air pressure at the tool be 6 2 bar 90 psig while the tool is running so the maximum RPM is not exceeded The tool can be run at lower pressures but should never be run higher than 6 2 bar 90 psig If run at lower pressure the performance of ...

Page 3: ...t the phenolic washer is in place around the threaded shaft of the new disc pad 5 Secure the buffer spindle with the wrench and tighten the new disc pad securely to the tool WARNING An inadequately tightened disc pad could cause the threaded shaft to break causing damage to the tool and work piece and possible injury to the operator or bystanders Mounting rubber tool hanger accessory onto buffer 1...

Page 4: ... Name 34870877577 indd Structure NA Date 10 28 11 Printed Colors Front Printed Colors Back Match Colors This artwork has been created as requested by 3M 3M is responsible for the artwork AS APPROVED and assumes full responsibility for its correctness ...

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