8
Safety Precautions
1. Read all instructions before using this tool. All operators must be fully
trained in its use and aware of these safety rules.
2. The tool RPM should be checked on a regular basis to ensure proper
operating speed.
3. Make sure the tool is disconnected from the air supply. Select a suitable
abrasive and secure it to the pad. Be careful to center the abrasive on the pad.
4. Always wear required safety equipment when using this tool.
5. When sanding/buffi
ng always start the tool on the workpiece. This will
prevent gouging due to excess speed of the buff pad. Stop air fl ow to the
tool as it is removed from the workpiece.
6. Always remove the air supply to the sander before fi tting, adjusting or
removing the abrasive or pad.
7. Always adopt a fi rm footing and grip and be aware of torque reaction
developed by the sander.
8. Use only 3M approved spare parts.
9. Always ensure the material being sanded is fi rmly fi xed to avoid movement.
10. Check hose and fi ttings regularly for wear. Do not carry the tool by its hose;
always be careful to prevent the tool from being started when carrying the
tool 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 marked maximum operating speed is equal or higher than the rated
speed of this tool.
15. The tool is not electrically insulated. Do not use where there is a possibility
of contact with live electricity, gas pipes, and/or water pipes.
16. This tool is not protected against hazards inherent in grinding and cutting
operations and no such accessories should ever be attached.
17. 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.
18. Keep hands clear of the orbiting pad during use.
19. If the tool appears to malfunction, remove from use immediately and
arrange for service and repair.
20. Immediately release the start handle in the event of any disruption of
pressure; do not attempt to re-start until the disruption has been corrected.
21. When tool is not in use, store in a clean dry environment free of debris.
22. Operate tool in a well lit work area.
23. Recycle or dispose of tool according to Local, State, and Federal Regulations.
24. Whenever performing maintenance procedures, use care to avoid exposure
to any hazardous substances deposited on the tool as a result of work
processes. Also, refer to warnings related to dust exposure.
Description of Functions & Setting
and Testing
1
2
3
4
1
Activation Lever
2
Dust Hose Connection
3
Speed Control
4
Disc Pad
SETTING & TESTING TOOL SPEED:
1. Ensure the Activation Lever is not depressed.
2. Connect the compassed air line.
3. Press the Activation Lever and move the Speed Control to set
desired speed.
4. Use a Vibratory Tachometer to check the speed.
5. Check speed regularly.
Recommended Accessories -
3M™ Disc Pads
3M Disc Pads are perfectly mated for use in the 3M Sander. Constructed
from premium, industrial-quality materials and featuring a riveted fi berglass
and steel hub with molded urethane, their durability and precise construction
are the ideal complement to the performance of the 3M Sander. See Product
Confi guration/Specifi cations table for the correct replacement pad for a
particular model. The following chart is a sample of products off ered.
Description
Part
Number
3M™ Stikit™ Low Profi le Disc Pad 5 in., Non-Vacuum
20351
3M™ Hookit™ Low Profi le Disc Pad 5 in., Non-Vacuum
20352
3M™ Hookit™ Clean Sanding Low Profi le Disc Pad 5 in.,
Non-Vacuum
20353
3M™ Stikit™ Low Profi le Disc Pad 6 in., Non-Vacuum
20354
3M™ Hookit™ Low Profi le Disc Pad 6 in., Non-Vacuum
20355
3M™ Hookit™ Clean Sanding Low Profi le Disc Pad 6 in.,
Non-Vacuum
20356
3M™ Stikit™ Low Profi le D/F Disc Pad 5 in., Non-Vacuum
20442
3M™ Stikit™ Low Profi le D/F Disc Pad 6 in., Non-Vacuum
20454
3M™ Hookit™ Clean Sanding Low Profi le Disc Pad-861
6 in., Non-Vacuum
20465
See 3M ASD Accessories to Optimize Performance catalog
61-5002-8098-9 and Engineered Metalworking Solutions catalog
61-5002-8097-1 for additional accessories.
Setting Up Disc Pad on
Random Orbital Sander
1. Disconnect air line from sander.
2. Remove old disc pad from sander by inserting the wrench, supplied with the
tool, between the rubber shroud and the disc pad. Use the wrench to secure
the sander spindle while turning the disc pad counter clockwise.
3. After the old disc has been removed from the sander, inspect the threaded
hole in the spindle to ensure that the threads are free of debris and
undamaged.
4. Ensure that the phenolic washer is in place around the threaded shaft of the
new disc pad.
5. Secure the sander 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.
in Figure 1 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 maximum of the tool. Details of such equipment can be obtained for your tool distributor. If such
equipment is not used the tool should be manually lubricated. To manually lubricate the tool disconnect the airline and put 2 to 3 drops of suitable pneumatic motor
lubricating oil such as 3M™ Air Tool Lubricant PN 20451 Fuji Kosan FK-20 Mobil ALMO 525 or Shell TORCULA® 32 into the hose end (inlet) of the tool. Reconnect tool
to the air supply and run tool slowly for a few seconds to allow air to circulate 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 the tool is reduced.
Recommended Airline
Size - Minimum
10 mm
3/8 in
Recommended Maximum
Hose Length
8 meters
25 feet
Air Pressure
Maximum Working Pressure 6.2 bar 90 psig
Recommended Minimum
NA
NA