Delta SHOPMASTER GR250 - Manual (Page 10)

10
CHANGING GRINDING
WHEELS
1. DISCONNECT MACHINE FROM POWER SOURCE.
2. When changing wheels, remove the screws
attaching the side covers to the grinder and remove the
side covers.
3. To prevent shaft rotation, place a wedge between the
grinding wheel and the tool rest. NOTE: Facing the front
of the grinder: to replace the wheel on the left side of the
grinder, turn the arbor nut clockwise to loosen;
counterclockwise to tighten the arbor nut.
4. To replace the grinding wheel on the right, turn the
arbor nut, counterclockwise to loosen; clockwise to
tighten the arbor nut.
5. The arbor bushing should be saved, for future use, if
the replacement wheel does not require the bushing.
WARNING: DO NOT OVERTIGHTEN WHEEL NUTS
WHEN INSTALLING GRINDING WHEELS. TIGHTEN
WHEEL NUT ENOUGH TO DRIVE THE WHEEL AND
PREVENT SLIPPAGE.
WRENCH STORAGE
The open end wrench (A) and the wheel dresser wrench
(B) can be stored in the wrench holder located at the rear
of the grinder as shown in Fig. 13.
Fig. 13
A
B