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3M

Buffer 8125
Owner’s Manual

 

A table of contents:

 

A. SAFETY INFORMATION 

 

 

 

 

B. OPERATING INSTRUCTION 

 

 

 

4

 

C. SPARE PARTS INFORMATION (exploded view)   

5

 

D. DISASSEMBLY METHOD 

 

 

 

7

 

E. ASSEMBLY METHOD   

 

 

 

10

 

F. GUIDELINE FOR PARTS EXCHANGE 

 

 

11

 

G. PARTS DEPO AND REPAIR SERVICE   

 

12

 

 

Appendix. – TROUBLESHOOTING CHART 

A. 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 tool is designed as a buffing solution for repairing automobile bodies and parts, clear coat painting on metal, fiber 
reinforced plastic (RFP) and wood. It should not be operated in water or in an excessive wet application. 

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:

Summary of Contents for Buffer 8125

Page 1: ...e use of this tool Retain these instructions for future reference Intended Use This tool is designed as a buffing solution for repairing automobile bodies and parts clear coat painting on metal fiber reinforced plastic RFP and wood It should not be operated in water or in an excessive wet application Explanation of Signal Word Consequences Indicates a potentially hazardous situation which if not a...

Page 2: ...n fastening Hookit Disc Backup Pad to ensure that it is securely attached to the tool before use Make sure the tool is disconnected from the air source before cleaning inspecting servicing or changing any parts WARNING To reduce the risk of skin abrasion cuts or burns do not touch rotating parts during operation for any reason CAUTION Improper use can cause the tool to break apart and may cause in...

Page 3: ...attachment prior to operation Confirm that air pressure does not exceed 90 PSI 6 2 bar When connecting to an air hose ensure a secure connection that will not loosen during operation Center the buffing pad on the backup pad Press the buffing pad securely into place START AND STOP Place the tool in contact with the work piece Start the tool by pressing the lever trigger lightly Keep the tool flat w...

Page 4: ...RIOR TO OPERATION AND AFTER OPERATION Be sure to oil the tool motor through the air supply opening After oiling run the tool at low speed When not in production remove air hose and store in safe dry place ...

Page 5: ...5 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 3 16 4 16 2 16 1 16 3 17 18 20 28 27 26 25 24 23 21 22 29 31 30 32 33 19 9 Parts Page ...

Page 6: ...3 410308 Spring pin 3 x 8 2 16 4 410304 Spring pin 3 x 4 1 17 22621 Rotor 1 18 22622 Vane 8 19 22342 L bearing case 1 20 6300ZZ Ball bearing 6300ZZ 1 21 22340 Shaft with head 1 22 510313 H R key 13 x 3 1 23 20913 Retainer bolt 1 24 6001DD Ball bearing 6001DD 2 25 22309 18 felt ring 1 26 22308 Dust seal 1 27 22341 Pad retainer 1 28 OV28 Snap ring OV 28 1 29 22907 Body gasket 1 30 22951 Base ring 1 ...

Page 7: ... spanner to remove the pad Secure the pad retainer 27 and rotate the pad 33 in the counterclockwise direction 2 Removing the Base Ring Remove four screws 32 and remove the base ring 30 Remove the body gasket 29 3 Disassembly of the Motor Remove the motor assembly Remove the screw 12 from the up per end of the motor assembly Remove the ball bearing as well as the U bearing case 14 15 ...

Page 8: ...2 The L bearing case and the ball bearing 19 20 are removed using a plastic hammer so that the shaft 21 will not be damaged The ball bearing 20 is removed from the L bearing case 19 using a special puller Remove the snap ring 28 from the shaft assembly Remove the pad retainer assembly using a special tool Clamp the pad retainer 27 in a vise and remove the retainer bolt ...

Page 9: ...g 25 Using a snap ring tool remove the snap ring 3 Remove the valve pin sleeve and the O ring KS 7 4 5 together with the O ring KS 2 and the valve 6 7 Be careful not to lose the valve spring Remove the O ring KS 2 and the valve 6 7 from the valve pin sleeve and the O ring KS 7 4 5 Remove the O ring KS 7 5 out from the valve pin sleeve 4 Remove the O ring KS 2 6 from the valve 7 ...

Page 10: ... for wear or damage Use only recommended spare parts Apply oil lightly on each part Exchange damaged O rings Do not omit the O rings Apply grease general purpose grease Assemble the parts carefully in the reverse order from the disassembly Assemble the motor paying special attention to the required upper and lower clearance When assembly is finished check for loose screws etc Pour a few drops of a...

Page 11: ...4 410304 Spring pin 3 x 4 17 22621 Rotor When it is worn causing leaks or excessive vibration 18 22622 Vane When the width becomes 0 5 less than the original size 0 9 when the length becomes 0 25 less than the original size 22 19 22342 L bearing case When the bearing is loose or other damage is found 20 6300ZZ Ball bearing 6300ZZ When it has excessive play or is locked 21 22340 Shaft with head Whe...

Page 12: ...uk 3410 East 42nd Street Minneapolis MN 55406 3333 Phone 1 612 722 4260 Fax 1 612 722 3415 e mail sales ToolWarehouseInc com 3M Industrial Business Quality Direct abrasives Phone 1 800 362 3550 USA only 3M Industrial Business Customer Response Center 900 Bush Avenue Building 21 1W 10 St Paul MN 55106 Phone 1 866 279 1235 www 3M com abrasives 3M 2007 12 3M 2008 ...

Page 13: ...13 ...

Page 14: ...tated in the operating manual to be entitled to warranty coverage 3M shall have no obligation to repair or replace any tool or part that fails due to normal wear inadequate or improper maintenance inadequate cleaning non lubrication improper operating environment improper utilities operator error or misuse alteration or modification mishandling lack of reasonable care or due to any accidental caus...

Page 15: ...as Creator deZinnia Spec 34 8701 9414 8 Structure NA Inks Black Date 09 23 08 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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