Troubleshooting - Delta GR350 Instruction Manual

8" bench grinder with lamp

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DRESSING THE GRINDING WHEEL

Use a suitable silicone carbide stick-type dresser or the

wheel dresser provided with the grinder (Fig. 12). Move

the dresser forward on the tool rest until it touches the

high point on the face of the wheel. Dress the wheel by

moving the dresser back and forth. Repeat this operation

until the face of the grinding wheel is clean and the

corners of the wheels are square.

CHANGING THE GRINDING WHEELS

DISCONNECT MACHINE FROM POWER SOURCE!

1. Remove the screws (A) Fig. 11 and the side covers

(B) from the grinding wheel.

2. To prevent shaft rotation, place a wedge between the

grinding wheel (C) and the tool rest (D).

NOTE: To remove the left grinding wheel, turn the arbor

nut clockwise (toward the front) to loosen. To remove the

right grinding wheel, turn the arbor nut counter-

clockwise (toward the front) to loosen.

3. If the replacement wheel does not require the arbor

bushing, save it for future use.

4. To install a new wheel, reverse the procedure.

Do not overtighten the wheel nuts when installing grinding wheels. Tighten the wheel nuts enough to

drive the wheel and prevent slippage.

For assistance with your machine, visit our website at www.deltamachinery.com for a list of service centers or call

the DELTA Machinery help line at 1-800-223-7278 (In Canada call 1-800-463-3582).

TROUBLESHOOTING

Fig. 10

Fig. 11

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