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// CODE SNIPPET

1910.215(c)(9) Repairs and Maintenance

OSHA 1910 General Industry > O Machinery and Machine Guarding > 1910.215 Abrasive Wheel Machinery > 1910.215(c) Flanges > 1910.215(c)(9) Repairs and Maintenance
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All flanges shall be maintained in good condition. When the bearing surfaces become worn, warped, sprung, or damaged they should be trued or refaced. When refacing or truing, care shall be exercised to make sure that proper relief and rigidity is maintained as specified in paragraphs (c) (2) and (5) of this section and they shall be replaced when they do not conform to these subparagraphs and Table O-4, Figure O-30, Table O-5, Figure O-31, Table O-6, Figure O-32, and Table O-8, Figure O-35. Failure to observe these rules might cause excessive flange pressure around the hole of the wheel. This is especially true of wheel-sleeve or adaptor flanges.

TABLE O-4 - MINIMUM DIMENSIONS FOR STRAIGHT UNRELIEVED FLANGES FOR
WHEELS WITH THREADED INSERTS OR PROJECTING STUDS.
A - Diameter of wheel B 1 - Minimum outside diameter of flange T - Minimum thickness of flange
1 5/8 1/8
2 1 1/8
3 1 3/16
4 1 3/8 3/16
5 1 3/4 1/4
6 2 3/8
     NOTE(1): Must be large enough to extend beyond the bushing. Where prong anchor or cupback bushing are used, this footnote does not apply.

Related Code Sections


1910.215(c)(9) Machinery and Machine Guarding, Repairs and Maintenance
All flanges shall be maintained in good condition. When the bearing surfaces become worn, warped, sprung, or damaged they should be trued or refaced ...
OSHA 1910 General Industry > O Machinery and Machine Guarding > 1910.215 Abrasive Wheel Machinery > 1910.215(c) Flanges > 1910.215(c)(9) Repairs and Maintenance
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When necessary to do maintenance work in a flammable liquid processing area, the work shall be authorized by a responsible representative ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(h) Processing Plants > 1910.106(h)(7) Sources of Ignition > 1910.106(h)(7)(ii) Maintenance and Repair
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The employer shall maintain all systems in an operable condition except during repairs or maintenance ...
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The employer shall assure that all employee alarm systems are maintained in operating condition except when undergoing repairs or maintenance ...
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