3M 28825 Manuel D'utilisation page 6

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. Attach the 3M™
Abrasive to the sander adaptor using the wrenches supplied with the tool.
4. Always wear required safety equipment when using this tool.
5. When sanding always start the tool just prior to contacting the work piece.
Stop air fl ow to the tool as it is removed from the work piece.
6. Always remove the air supply to the sander before fi tting, adjusting or
removing the abrasive.
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 worked 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 cutting products 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 spinning abrasive 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 restart until the disruption has been corrected.
21. Do not allow the tool to free spin without taking precautions to protect any
persons or objects from the loss of the abrasive or pad ruptures.
22. When tool is not in use, store in a clean dry environment free of debris.
23. Operate tool in a well lit work area.
24. Recycle or dispose of tool according to Local, State, and Federal regulations.
25. 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.
Drain Leg
Ball Valve
To Tool Station
Ball
Valve
Drain Valve
To Coupler
Air Compressor
at or near Tool
Description of Functions and Setting & Testing
PN 28825
PN 88577
3/8 NPT
SETTING & TESTING TOOL SPEED:
1. Ensure the Activation Lever is not depressed.
2. Connect the compressed air line.
3. Press the Activation Lever slowly and increase force until tool is at full speed.
4. Use a Rotary Tachometer to check the speed.
5. Check speed regularly.
6
Closed Loop Pipe System
Sloped in the direction of air flow
Filter
Regulator
Lubricator
Ball Valve
Air Hose
and Tank
Figure 1
Figure A
Air Flow
Air Dryer