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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 fitting, adjusting or
removing the abrasive grinding wheel.
6. Always adopt a firm 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 firmly fixed to avoid
movement.
9. Check hose and fittings 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.
25. Ensure that the abrasive product is correctly mounted and tightened
before use and run the tool at no-load speed for at least 1 min in
a safe position; stop immediately if considerable vibration or other
defects are detected and determine the cause of these defects.
26. Whenever universal twist couplings (claw couplings) are used,
lock-pins shall be installed and whip check safety cables shall be
used to safeguard against possible hose-to-tool and hose-to-hose
connection failure.
To Tool Station
Ball
Valve
Drain Valve
To Coupler
at or near Tool
3M™ Type 27 Grinding Wheels and Accessories
3M Type 27 Grinding Wheels and Accessories are designed specifically 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.
6
Closed Loop Pipe System
Sloped in the direction of air flow
Drain Leg
Ball Valve
Filter
Regulator
Lubricator
Ball Valve
Air Hose
Air Compressor
and Tank
Air Flow
Air Dryer
Figure A
Figure 1
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