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// CODE SNIPPET

1910.243(c)(5) Mounting and Inspection of Abrasive Wheels

OSHA 1910 General Industry > P Hand and Portable Powered Tools and Other Hand-Held Equipment > 1910.243 Guarding of Portable Powered Tools > 1910.243(c) Portable Abrasive Wheels > 1910.243(c)(5) Mounting and Inspection of Abrasive Wheels
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1910.243(c)(5)(i)

Immediately before mounting, all wheels shall be closely inspected and sounded by the user (ring test, see Subpart O, 1910.215(d)(1)) to make sure they have not been damaged in transit, storage, or otherwise. The spindle speed of the machine shall be checked before mounting of the wheel to be certain that it does not exceed the maximum operating speed marked on the wheel.

1910.243(c)(5)(iii)

All contact surfaces of wheels, blotters, and flangers shall be flat and free of foreign matter.

1910.243(c)(5)(iv)

When a bushing is used in the wheel hole it shall not exceed the width of the wheel and shall not contact the flanges.

1910.243(c)(5)(v)

Requirements for the use of flanges and blotters, see Subpart O, 1910.215(c).

1910.243(c)(5)(ii)

Grinding wheels shall fit freely on the spindle and remain free under all grinding conditions. A controlled clearance between the wheel hole and the machine spindle (or wheel sleeves or adaptors) is essential to avoid excessive pressure from mounting and spindle expansion. To accomplish this, the machine spindle shall be made to nominal (standard) size plus zero minus .002 inch, and the wheel hole shall be made suitably oversize to assure safety clearance under the conditions of operating heat and pressure.

Related Code Sections


1910.243(c)(5) Hand and Portable Powered Tools and Other Hand-Held Equipment, Mounting and Inspection of Abrasive Wheels
Immediately before mounting, all wheels shall be closely inspected and sounded by the user (ring test, see Subpart O, 1910.215(d)(1)) to make sure ...
OSHA 1910 General Industry > P Hand and Portable Powered Tools and Other Hand-Held Equipment > 1910.243 Guarding of Portable Powered Tools > 1910.243(c) Portable Abrasive Wheels > 1910.243(c)(5) Mounting and Inspection of Abrasive Wheels
1910.215(d)(1)(i) Machinery and Machine Guarding,
Wheels must be dry and free from sawdust when applying the ring test, otherwise the sound will be deadened. It should also be noted that organic ...
OSHA 1910 General Industry > O Machinery and Machine Guarding > 1910.215 Abrasive Wheel Machinery > 1910.215(d) Mounting > 1910.215(d)(1) Inspection > 1910.215(d)(1)(i)
1910.215(d)(1)(ii) Machinery and Machine Guarding,
"Tap" wheels about 45 deg. each side of the vertical centerline and about 1 or 2 inches from the periphery as indicated by the spots in Figure O-25 ...
OSHA 1910 General Industry > O Machinery and Machine Guarding > 1910.215 Abrasive Wheel Machinery > 1910.215(d) Mounting > 1910.215(d)(1) Inspection > 1910.215(d)(1)(ii)
1910.243(c) Hand and Portable Powered Tools and Other Hand-Held Equipment, Portable Abrasive Wheels
before mounting, all wheels shall be closely inspected and sounded by the user (ring test, see Subpart ...
OSHA 1910 General Industry > P Hand and Portable Powered Tools and Other Hand-Held Equipment > 1910.243 Guarding of Portable Powered Tools > 1910.243(c) Portable Abrasive Wheels
1910.215(d)(1) Machinery and Machine Guarding, Inspection
Immediately before mounting, all wheels shall be closely inspected and sounded by the user (ring test) to make sure they have not been damaged ...
OSHA 1910 General Industry > O Machinery and Machine Guarding > 1910.215 Abrasive Wheel Machinery > 1910.215(d) Mounting > 1910.215(d)(1) Inspection
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