Safety Precautions - 3M 28824 Mode D'emploi

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 (at shift change).
3. Make sure the tool is disconnected from the air supply. Select a suitable
abrasive grinding wheel and secure it to the mounting shaft using the
wheel retainer and wheel arbor supplied with the tool. Be careful to center
the grinding wheel on the wheel retainer and or arbor before tightening the
wheel retainer nut. Do not over tighten the wheel retainer or you will crack
the wheel.
4. Always wear required safety equipment when using this tool.
5. Always remove the air supply to the tool before fi tting, adjusting or
removing the abrasive grinding wheel.
6. Always adopt a fi rm footing and grip and be aware of torque reaction
developed by the tool.
7. Use only 3M approved spare parts.
8. Always ensure the material being worked is fi rmly fi xed to avoid movement.
9. 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.
10. Dust can be highly combustible. Keep working area clean.
11. 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.
12. Do not exceed maximum recommended air pressure. Use safety equipment
as recommended.
13. Prior to installing any abrasive grinding wheel, always check that its marked
maximum operating speed is equal or higher than the rated speed of this
tool.
14. 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.
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 immediately and
arrange for service and repair.
18. Do not allow the tool to free spin without taking precautions to protect any
persons or objects from the rupture of the abrasive grinding wheel.
19. 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.
20. When tool is not in use, store in a clean, dry environment free of debris and
in a manner that ensures that the grinding wheel is not damaged.
21. Fixture workpiece such that the grinding cut slot is kept at a constant or
increasing width during the operation.
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.
3M™ Type 27 Grinding Wheels and Accessories
3M Type 27 Grinding Wheels and Accessories are designed specifi cally for
use on the 3M Type 27 Grinders.
See 3M ASD Accessories to Optimize Performance catalog 61-5002-8098-9
and Engineered Metalworking Solutions catalog 61-5002-8097-1 for additional
accessories.
To Tool Station
Drain Valve
To Coupler
at or near Tool
Description of Functions and Setting & Testing
PN 28824
PN 88566
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
Drain Leg
Ball Valve
Filter
Ball
Regulator
Valve
Lubricator
Ball Valve
Air Hose
Air Compressor
and Tank
Figure 1
Figure A
Air Flow
Air Dryer