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// CODE SNIPPET

1926.300(b)(7) Guarding of Abrasive Wheel Machinery - Exposure Adjustment

OSHA 1926 Construction > I Tools - Hand and Power > 1926.300 General Requirements > 1926.300(b) Guarding > 1926.300(b)(7) Guarding of Abrasive Wheel Machinery - Exposure Adjustment
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Safety guards of the types described in paragraphs (b)(8) and (9) of this section, where the operator stands in front of the opening, shall be constructed so that the peripheral protecting member can be adjusted to the constantly decreasing diameter of the wheel. The maximum angular exposure above the horizontal plane of the wheel spindle as specified in paragraphs (b)(8) and (9) of this section shall never be exceeded, and the distance between the wheel periphery and the adjustable tongue or the end of the peripheral member at the top shall never exceed 1/4 inch (0.635 cm). (See Figures I-1 through I-6.)

Figure I-1


Figure I-2


                                                         Correct

Showing adjustable tongue giving required angle protection for all sizes of wheel used.

Figure I-3


Figure I-4


                                                          Correct

Showing movable guard with opening small enough to give required protection for the smallest size wheel used.

Figure I-5


Figure I-6


                                                             Incorrect

Showing movable guard with size of opening correct for full size wheel but too large for smaller wheel.

Related Code Sections


1926.300(b)(7) Tools - Hand and Power, Guarding of Abrasive Wheel Machinery - Exposure Adjustment
be constructed so that the peripheral protecting member can be adjusted to the constantly decreasing diameter of the wheel. The maximum angular exposure above ...
OSHA 1926 Construction > I Tools - Hand and Power > 1926.300 General Requirements > 1926.300(b) Guarding > 1926.300(b)(7) Guarding of Abrasive Wheel Machinery - Exposure Adjustment
1926.303 Tools - Hand and Power, Abrasive Wheels and Tools
for external grinding, shall be provided with safety guards (protection hoods). The maximum angular exposure of the grinding wheel periphery and sides ...
OSHA 1926 Construction > I Tools - Hand and Power > 1926.303 Abrasive Wheels and Tools
1926.303(b)(2) Tools - Hand and Power, Guarding Design
with the wheel, and the strength of the fastenings shall exceed the strength of the guard, except ...
OSHA 1926 Construction > I Tools - Hand and Power > 1926.303 Abrasive Wheels and Tools > 1926.303(b) Guarding > 1926.303(b)(2) Guarding Design
1926.303(c)(2) Tools - Hand and Power,
Floor and bench-mounted grinders shall be provided with work rests which are rigidly supported and readily adjustable. Such work rests shall be kept ...
OSHA 1926 Construction > I Tools - Hand and Power > 1926.303 Abrasive Wheels and Tools > 1926.303(c) Use of Abrasive Wheels > 1926.303(c)(2)
1926.303(c)(3) Tools - Hand and Power,
of the American National Standards Institute, B7.1-1970 Safety Code for the Use, Care, and Protection of Abrasive Wheels. All other portable abrasive ...
OSHA 1926 Construction > I Tools - Hand and Power > 1926.303 Abrasive Wheels and Tools > 1926.303(c) Use of Abrasive Wheels > 1926.303(c)(3)
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