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3
Buffer 8125
Owner's Manual
A table of contents:
A. SAFETY INFORMATION
B. OPERATING INSTRUCTION
C. SPARE PARTS INFORMATION (exploded view)
D. DISASSEMBLY METHOD
E. ASSEMBLY METHOD
F. GUIDELINE FOR PARTS EXCHANGE
G. PARTS DEPO AND REPAIR SERVICE
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.
WARNING:
CAUTION:
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.
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Summary of Contents for 3M Buffer 8125

  • Page 1 Buffer 8125 Owner’s Manual A table of contents: A. SAFETY INFORMATION B. OPERATING INSTRUCTION C. SPARE PARTS INFORMATION (exploded view) D. DISASSEMBLY METHOD E. ASSEMBLY METHOD F. GUIDELINE FOR PARTS EXCHANGE G. PARTS DEPO AND REPAIR SERVICE Appendix. – TROUBLESHOOTING CHART A.
  • Page 2 WARNING To reduce the risks associated with excessive pneumatic pressure, noise, vibration, eye/skin irritation, and tool breakage during the use of this product: • Read and follow the safety information contained in these instructions prior to the use of this tool. Retain these instructions for future reference.
  • Page 3 HOW TO HANDLE • Check for loose screws and missing parts before operation. • Connect air hoses after cleaning all appropriate fittings to reduce contamination from foreign objects, dust, sand, etc. • During inspection of each part make sure to detach air hoses. •...
  • Page 4 PRIOR 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 Parts Page 16-3 16-4 16-2 16-1 16-3...
  • Page 6 22907 Body gasket 22951 Base ring 22908 Dust packing 150412 Screw (M4 x 12) 3” pad * 3M™ Disc Pad 00-51111-55764-8 Special Tools for repair operation ITEM No. PART No. DESCRIPTION ST005 6200 bearing punch ST007 3 mm pin punch...
  • Page 7 D. DISASSEMBLY METHOD CAUTION Remove the air hose before disassembling the tool. Disassembly while the air hose is still attached is very dangerous. 1. Remove pad holder. Use the attached spanner to remove the pad. Secure the pad retainer (27) and rotate the pad (33) in the counterclockwise direction.
  • Page 8 Remove the cylinder set (16). Remove the ball bearing (14) Remove the vanes (18). using a special puller. Remove the H/R key (22). Remove the ball bearing (14) The L-bearing case and the ball bearing using a special puller. (19 & 20) are removed using a plastic hammer so that the shaft (21) will not be damaged.
  • Page 9 Remove the dust seal (26) and the Remove the ball bearing (24) 18 Dia felt ring (25). using a special tool. 4. Disassembly of the Valve Using a snap ring tool, remove the Remove the dust seal (26) and Remove the valve pin sleeve and the snap ring (3).
  • Page 10 5. Special tools for the repair operation (to help the disassembly) ST005 6200 bearing punch ST024 ST007 3 mm pin punch ST008 945A shaft bearing puller ST502 ST024 Bearing puller stand ST502 Snap ring pliers ST007 ST005 ST008 E. ASSEMBLY METHOD •...
  • Page 11 Replace when the tool is serviced 22951 Base ring When damage has occurred to the OD 22908 Dust packing 150412 Screw (M4 x 12) 3” pad When bent, when vibration is excessive or when the OD is badly damaged * 3M™ Disc Pad 00-51111-55764-8...
  • Page 12 3410 East 42 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 ©...
  • Page 14 If a tool or any part thereof is defective within this warranty period, your exclusive remedy and 3M’s sole obligation will be, at 3M’s option, to repair or replace the tool or refund the purchase price.
  • Page 15 Contact: Michelle Dumas 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.