Delta SHOPMASTER GR250 Instruction Manual download pdf (Page 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

1 2 ... 5 6 7 8 9 10 11 12

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Delta SHOPMASTER GR250 Instruction Manual Page 10