-21-
Model W1878 (For Machines Mfd. Since 4/21)
SE
TU
P
To.adjust.blade.tracking,.do.these.steps:
1.
DISCONNECT
MACHINE FROM POWER!
2.
Adjust upper and lower blade guides away from
blade and raise upper guides all the way up (refer
to
.Adjusting.Blade.Guide.Bearings
on
Page.27
for
detailed instructions).
Note:
When adjusting the blade tracking for the
test run in this procedure, the blade must have
approximately the same amount of tension as when
under operating conditions. After the test run
is successfully completed, you will be instructed
on how to more accurately tension the blade for
optimum results.
3.
Open upper wheel cover.
4.
Rotate tension adjustment knob clockwise until
there is approximately
1
⁄
4
" deflection in blade when
pushed with moderate pressure.
5.
Rotate upper wheel by hand several times and watch
how blade rides on wheel (see
Figure
19
on
Page.19
for an illustration of this concept).
— If the blade rides in the center of the upper
wheel, it is properly tracking and you are done
with this procedure—proceed to
Dust.Collection.
on
Page.22
.
— If the blade does
not
ride in the center of the
upper wheel, it is not properly tracking; continue
with the next step to adjust it.
6.
Spin upper wheel with one hand and slowly adjust
tracking knob (see
Figure
21
) with other hand until
blade consistently tracks in center of wheel.
7.
Close and secure upper wheel cover before operating
bandsaw.
Figure.21.
Blade tension and tracking
controls.
Tracking
Knob
Tension
Adjustment
Knob
Summary of Contents for W1878
Page 60: ......