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.
NEW WHEEL, DO NOT OVERTIGHTEN THE ARBOR NUT (A).
When changing the Catalog No.
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
8