DRESSING A

GRINDING WHEEL

When dressing a grinding wheel, use a suitable silicon carbide stick type dresser, as shown in Fig. 17. Bring the dresser forward until it just touches the high point of the face of the wheel and dress the wheel by moving the dresser back and forth. Repeat this operation until the face of the wheel is clean and the corners are square.

CHANGING

GRINDING WHEELS

When changing the Catalog No. 23-702 5 grinding wheel, remove the eye shield, tool rest and side cover. Loosen and remove arbor nut (A) Fig. 18, by turning it counter- clockwise when viewed from the wheel end of the motor. To prevent shaft rotation, hold the grinding wheel by hand, as shown. IMPORTANT: WHEN INSTALLING THE

NEW WHEEL, DO NOT OVERTIGHTEN THE ARBOR NUT (A).

When changing the Catalog No. 23-701 10 grinding wheel, remove the four screws (A) Fig. 19.

Lift the complete motor assembly (A) Fig. 20, off the base casting (B). Remove bearing block (C) from end of shaft.

Hold grinding wheel and turn arbor nut (D) Fig. 21, counterclockwise, when viewed from wheel end of shaft, to loosen and remove nut (D). IMPORTANT: WHEN

INSTALLING THE NEW WHEEL, DO NOT OVER- TIGHTEN THE ARBOR NUT (D).

B

C

A

Fig. 20

SILICON CARBIDE

GRINDING

WHEEL

STICK

DRESSER

TOOL

REST

Fig. 17

A

Fig. 18

A

A

A

Fig. 19

D

Fig. 21

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Empire Comfort Systems 23-700 instruction manual Dressing a Grinding Wheel, Changing Grinding Wheels