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The total amount of “in-feed” can be pre-selected from
2 to 35 teeth (0.002 to 0.035 inch), by setting the
knock-off arm located directly behind the ratchet wheel.
In-feeding stops automatically when the knock-off arm
has rotated around and makes contact with the ratchet
“pawl.” Figure 3-13
Manual Relief Grinding
1. Remove the drive coupler form the spin motor.
2. Slide the limit stops to each end of the stop rail so
that they do not interfere wit the ratchet mecha-
nism. Otherwise, undesired infeeding might occur
unnoticed.
3. Disengage the traverse.
4. Adjust the wheel head out away from the reel 1” to
1-1/2”.
5. Move the finger guide into position. Maintain a
clearance no greater than 1/8” between the guide
plate and grinding stone—the closer the better.
Figure 3-14
6. Make sure the finger guide “peak “ is located under
the proper side of the grinding wheel. The guide may
have to be reversed for a left helix reel. Figure 3-15
NOTE
Look down on the reel from immediately above the
grinding wheel to be certain that the grinding wheel
makes contact with the reel blade on one corner only.
The peak of the finger guide must be directly below
this point of contact. If you have another reel in which
the blades “spiral” in the opposite direction, the grind-
ing wheel will only make contact on the opposite cor-
ner. For this reason the finger guide plate must be
reversed.
The helix, or “spiral” of reel blades differs according to
the manufacturer. A close look at the finger guide
reveals that the peak is positioned to one side of the
grinding wheel. When the leading edge of the reel
blade contacts the “right” side of the grinding wheel
for relief grinding. If the leaking edge of the reel blade
contacts the “left” side of the grinding wheel for relief
grinding. The finger guide plate is reversible to allow
for his adjustment. Also, the hole in the finger guide
plate is elongated to allow for readjustment as the
stone wears.
IF THE BLADE DOES NOT SIT FIRMLY ON
THE FINGER GUIDE, BROKEN OR CHIPPED
PIECES OF STONE OR SHARP BITS OF
METAL MAY CAUSE INJURY TO THE OP-
ERATOR.
CAUTION
17
Ratchet Pawl
Figure 3-13
Finger Guide
Figure 3-14