OHS Code

Published Date: July 01, 2009
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Part 25 Tools, Equipment and Machinery

Section 375 Grinders

(1) An employer must ensure that

(a) a grinder is operated in accordance with the manufacturer’s specifications, and subject to subsection (2), equipped with a grinder guard,

(b) the maximum safe operating speed of the grinder accessory in revolutions per minute is equal to or greater than the maximum speed of the grinder shaft in revolutions per minute, and

(c) if a hand held grinder is used, the object being ground cannot move.

(2) An employer must ensure that the guard of a hand held grinder covers the area of the grinder accessory contained within an arc of at least 120 degrees of the accessory’s circumference.

(3) An employer must ensure that if a tool rest is installed on a fixed grinder, the manufacturer’s specifications are followed if they exist, or the tool rest is

(a) installed in a manner compatible with the work process,

(b) securely attached to the grinder,

(c) set at or within 3 millimetres of the face of the wheel, and

(d) set at or above the centre line of the wheel.

(4) A worker must not

(a) grind material using the side of an abrasive wheel unless the wheel has been designated for that purpose, or

(b) adjust a tool rest while a grinder accessory is in motion.