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Original Instructions

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SANDER INSTRUCTION MANUAL
115 mm - 125 mm (4 ½ in - 5 in)
12,000 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 appropriate abrasive for sanding metals, wood, stone, plastics and other materials. It should only be used for such sanding 
applications and within its marked capacity and ratings. Only accessories specifi cally 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 abrasive products that have a Max RPM less than the RPM rating marked on the tool.

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 HEARING PROTECTION

Direction of Rotation

Prolonged vibration may cause injury

Vibration Safety note

12,000 r/min.

Maximum rotational speed

 90 PSIG / 6.2 BAR MAX

Maximum Air Pressure

Use accessories rated at tool speed or higher

Accessories Speed Warning Note

Use appropriate guard

Guard Safety Warning Note

Explanation of Signal Word Consequences

 

WARNING: 

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

 

CAUTION: 

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

WARNING!

Read the Safety

Data Sheets (SDS)

before using any materials.

Contact the suppliers of the

workpiece materials and

abrasive materials for copies

of the SDS if one is not

readily available.

Exposure to DUST generated from
workpiece and/or abrasive materials
can result in lung damage and/or other 
physical injury.
Use dust capture or local exhaust as 
stated in the SDS. Wear government-
approved respiratory protection and eye 
and skin protection.
Failure to follow this warning can 
result in serious lung damage and/or 
physical injury.

Summary of Contents for 28825

Page 1: ...ARNING READ AND UNDERSTAND INSTRUCTION MANUAL BEFORE OPERATING TOOL WARNING ALWAYS WEAR APPROVED EYE PROTECTION WARNING ALWAYS WEAR APPROVED HEARING PROTECTION Direction of Rotation Prolonged vibration may cause injury Vibration Safety note 12 000 r min Maximum rotational speed 90 PSIG 6 2 BAR MAX Maximum Air Pressure Use accessories rated at tool speed or higher Accessories Speed Warning Note Use...

Page 2: ...urce To reduce the risk associated with skin abrasion burns cuts or entrapment Keep hands hair and clothing away from the rotating part 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 of all hazards associated with vibration If any physical ha...

Page 3: ...54099 Screw Exhaust M5 x 6 mm 2 44 54088 Cover Exhaust 1 45 54098 Gasket Exhaust 1 46 54087 Baffle Exhaust 1 47 54086 Spring Exhaust 2 48 54085 Piston Exhaust 2 49 54084 Housing Exhaust 2 50 54105 Wrench Spanner 4 mm x 30 mm B C 1 54107 Rebuild Kit OPT 54106 Tool Kit Rebuild OPT 28828 3M Air Tool Lubricant 1 oz OPT 20451 3M Air Tool Lubricant 4 oz OPT 20466 3M Air Tool and Compressor Lubricant Qua...

Page 4: ...19 88790 Filter Air Inlet 1 20 88791 Lever 1 21 88792 Lock Pin Sleeve 1 22 88793 Lock Pin Spring 1 23 88794 Lock Pin 1 24 88795 Lock Pin Housing 1 25 54052 Circlip 1 Fig 3M PN Description Qty 26 54053 Bearing 1 27 54060 Wick Oil Grease 1 28 54054 Gear Set 1 29 54055 Bearing Main Spindle 1 30 54057 Spindle 5 8 11 1 31 54058 Felt Ring 32 mm x 4 mm 1 32 54059 Retaining Ring 38 mm x 6 mm 1 33 54061 Au...

Page 5: ...the airline system without an easily accessible air shut off valve It is strongly recommended that an air filter regulator and lubricator FRL be used as shown in Figure A as this will supply clean lubricated air at the correct pressure to the tool In any case appropriate air pressure regulators shall be used at all times while operating this tool where the supply pressure exceeds the marked maximu...

Page 6: ...ol with the air supply connected 11 Dust can be highly combustible Keep working area clean 12 If tool is serviced or rebuilt check to ensure that the maximum tool RPM is not exceeded and that there is no excessive tool vibration 13 Do not exceed maximum recommended air pressure Use safety equipment as recommended 14 Prior to installing any sanding or polishing accessory always check that its marke...

Page 7: ...all 800 3M HELPS 800 364 3577 toll free 651 737 6501 direct dial 3 Abrasive Systems Division 3M Center St Paul MN 55144 1000 www 3M com abrasives 3M 2021 3M and Scotch Weld are trademarks of 3M Company 34 8715 6567 6 F1 1 2 EU DECLARATION OF CONFORMITY28825 88577 030821 Name and address of the manufacturer and where applicable his authorised representative 3M Co Abrasive Systems Division 3M Center...

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