model t23108 (mfg. since 7/10) -23-
Top Plate Cutting Angle
the top plate cutting angle (see figure 26) is a
angle on the top plate underside that usually is
ground at 60°. the combination of this cutting
angle and the top plate angle serves to continue
the cut and remove wood chips from the kerf.
Top Plate
Cutting
Angle
figure 26. top plate cutting angle.
When setting up the s harpener, the top plate cut-
ting angle is determined by the tilt of the grind-
ing wheel. the grinding wheel tilt is adjusted by
changing the angle of the swing arm.
Note: Always refer to the chain manufacturer's
specifications when setting up the sharpener.
However, if this information is not available, use
the chart in Figure 22 on Page 20 as a ge neral
guide.
To set the grinding w heel tilt for the top plate
cutting angle:
1. disConnECt maChinE From poWEr!
2. loosen the swing arm lock knob (see
figure 27).
3. reference the angle scale on top of the base
vertical face to adjust the swing arm and
grinding wheel to the correct angle for your
chain, then retighten the lock knob.
the grinding wheel tilt setting stays the same
when sharpening both left- and right-hand
cutters.
Note: There is also the same angle scale on
the inside vertical face of the base.
figure 27. swing arm angle scale and lock
knob.
lock Knob
angle scale