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Warranty and Limited Remedy:

 3M warrants this tool against defects in workmanship and materials under normal operating conditions for one (1) year from 

the date of purchase. 3M MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION 
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. Many factors beyond 
3M’s control and uniquely within user’s knowledge and control can affect the use and performance of a 3M product in a particular application.  As a result, 
customer is solely responsible for evaluating the product and determining whether it is appropriate and suitable for customer’s application, including conducting 
a workplace hazard assessment and reviewing all applicable regulations and standards (

e.g.,

 OSHA, ANSI, etc.).  Failure to properly evaluate, select, and use a 

3M product and appropriate safety products, or to meet all applicable safety regulations, may result in injury, sickness, death, and/or harm to property. User must 
operate the tool in accordance with all applicable operating instructions, safety precautions, and other procedures stated 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 cause. 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.

Limitation of Liability:

 Except for the limited remedy stated above, and except to the extent prohibited by law, 3M will not be liable for any loss or damage arising 

from or related to the 3M product, whether direct, indirect, special, incidental, or consequential (including, but not limited to, lost profits or business opportunity), 
regardless of the legal or equitable theory asserted, including, but not limited to, warranty, contract, negligence, or strict liability.

Submitting a Warranty Claim:

 Contact you dealer when submitting a warranty claim in accordance with the restrictions listed above. Please note that all 

warranty claims are subject to manufacturer’s approval. Be sure to keep you sales receipt in a safe place. This must be submitted when filing a warranty claim, 
within 1 year from the date of purchase. For additional assistance call 1-800-362-3550 (choose option 3, then option 5).

Product Repair after Warranty Has Expired:

 Repair of 3M Abrasive Power tools that are not under warranty is available through 3M or a 3M Authorized Tool 

Repair Representative. Contact your 3M Abrasive Power Tool Distributor for details, or call 1-800-362-3550.

For 3M Product Information Call:

800-3M HELPS (800-364-3577) toll free
651-737-6501 direct dial

Abrasive Systems Division

3M Center
St. Paul, MN 55144-1000
www.3M.com/abrasives

© 3M 2017.
3M and Roloc are trademarks of 3M Company. 
34-8707-1833-4

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Summary of Contents for 28403

Page 1: ...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 WARNING AVOID PROLONGED EXPOSURE TO VIBRATION 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 Pre...

Page 2: ...ck with 3M for mounting hardware requirements If the tool is jammed shut off the tool and ease it free Ensure the abrasive product is correctly secured Never allow this tool to be used by children or other untrained people Do not leave an unattended tool connected to air source To reduce the risks associated with skin abrasion burns cutting severing impact or entrapment Never install grinding whee...

Page 3: ...ont Wear Plate 1 25 06562 Rotor 5 Slot 1 26 28979 Vane Kevlar 1 HP Set of 5 1 27 06563 Cylinder 1 Fig 3M PN Description Qty 28 28981 Rear Endplate 1 29 06508 Ball Bearing 1 4 x 5 8 x 0 1961 1 30 06567 Washer 0 251 x 0 468 x 0 063 1 31 06568 Screw 8 32 x 3 8 1 32 06609 O Ring 1 38 x 0 094 1 33 28977 Steel Housing 1 HP 1 34 06642 Lever Assembly 1 35 28980 Trigger Valve 1 36 28983 O Ring 1 37 06614 S...

Page 4: ...Spacer 1 22 06510 Ball Bearing 3 8 x 7 8 x 9 32 1 23 28992 Front End Plate 1 24 29004 Font Wear Plate 1 25 06562 Rotor 5 Slot 1 Fig 3M PN Description Qty 26 28979 Vane Kevlar 1 HP Set of 5 1 27 06563 Cylinder 1 28 28981 Rear Endplate 1 29 06508 Ball Bearing 1 4 x 5 8 x 0 1961 1 30 06567 Washer 0 251 x 0 468 x 0 063 1 31 06568 Screw 8 32 x 3 8 1 32 06609 O Ring 1 38 x 0 094 1 33 28977 Steel Housing...

Page 5: ...mmended 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 the tool is reduced Declared noise levels measurements carried out in accordance with standard EN ISO 15744 Declared vibration levels in accord...

Page 6: ...ssibility of contact with live electricity gas pipes and or water pipes 15 Take care to avoid entanglement with the moving parts of the tool with clothing ties hair cleaning rags or loose hanging objects If entangled stop air supply immediately to avoid contact with moving tool parts 16 Keep hands clear of the spinning grinding wheel during use 17 If the tool appears to malfunction remove from use...

Page 7: ...read 5 8 11 EXT M10 1 25 INT Fibre Disc Mounting Accessories 3M PN UPC PN Description Size in 28442 28442 Disc Pad Hub For Short Shaft Tools 2 1 2 x 3 8 24 INT 28476 28476 Low Profile Disc Pad Hub 2 1 2 x 5 8 11 INT 28443 28443 Disc Pad Face Plate Ribbed Extra Hard Red 4 1 2 3M Fibre Discs and Accessories 3M Disc Pad Accessories Related Products Refer to ANSI B7 1 2000 Safety Requirements for Use ...

Page 8: ... adapter to change the spindle to 5 8 11 spindle to allow the use of wheels with either 16 mm or 7 8 center holes CH Refer to ANSI B7 1 2000 Safety Requirements for Use Care and Protection of Abrasive Wheels and ISO EN 12413 Safety Requirements for Bonded Abrasive Products for proper abrasive wheel applications MOUNTING 3 8 CENTER HOLE TYPE 27 WHEELS Figure 1 Lower Flange for 3 8 CH Type 27 Wheels...

Page 9: ...Figure 6A Figure 6B Figure 7 Figure 8 5 8 11 threads per inch Spindle with Upper Flange properly mounted For Wheels less than 3 8 thick Lower Flange for 7 8 Type 27 Wheels properly mounted For Wheels 3 8 thick and Greater Lower Flange for Type 27 7 8 Center Hole Wheels Note 7 8 lip is facing the wheel Dual Size Flanges for 16 mm and 7 8 CH Wheels Side A 16 mm lip Side B 7 8 lip 7 8 lip 3 8 24 Spin...

Page 10: ...ce Plate Figure 11 Figure 12 Figure 13 Figure 9 Figure 10 Hubs for Fibre Disc Mounting 3M PN 28442 Disc Pad Hub for Short Shaft Tools 3 8 24 INT 5 8 11 EXT 3M PN 28476 Low Profile Disc Pad Hub 5 8 11 INT Type 27 Wheel with 7 8 CH properly mounted to Upper Dual Size Flange Dual Size Lower Flange properly mounted with 7 8 CH Type 27 Wheel 5 8 11 Threads per inch Spindle 3M PN 28476 Low Profile Disc ...

Page 11: ...Nut is not required if a TN Quick Change disc is mounted Figure 16 Figure 17 Figure 18 Figure 14 Figure 15 3M PN 28442 Disc Pad Hub for Short Shaft Tools 3 8 24 INT 5 8 11 EXT NOTE 3 8 24 Tool Spindle Inside 5 8 11 Hub Spindle 3M PN 02618 Disc Retainer Nut 5 16 x 5 8 11 INT Fibre Disc with TH Quick Change Center 5 8 11 INT TN Quick Change Disc properly mounted Disc Retainer Nut properly mounted Di...

Page 12: ...alteration or modification mishandling lack of reasonable care or due to any accidental cause 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 Limitation of Liability Except for the limited remedy stated above and except to the extent prohibited by ...

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