PDFWAC 296-806-40510
Use a work rest for off-hand grinding.
EXEMPTION: | You do not need to use a work rest if: |
1. The size, shape, weight or finishing area of the workpiece prevents its use; or | |
2. Contact with the grinding wheel below the horizontal plane of the spindle is necessary. |
(1) You must use a work rest to support the work.
(2) You must make sure the work rest is:
(a) Rigidly constructed.
(b) Adjustable to compensate for wheel wear.
(c) Adjusted only when the wheel is stopped.
(d) Securely clamped after each adjustment.
(e) Kept within one-eighth inch of the wheel.