17
9. Machine Setting - Cont.
Tracking the Bandsaw Blade
Isolate the machine from the power supply by unplugging
the mains plug. Set the tracking of the blade before setting
the blade guides. Once the blade is tensioned, track
the blade by turning the upper bandwheel by hand and
adjusting the tracking knob (Fig. 9.5, B). When viewed
from the rear of the machine, turning the tracking knob
clockwise the blade will move towards the back of the
bandwheel, by turning the tracking knob anti-clockwise the
blade will move to the front of the bandwheel. The blade
should run as close to the centre of the bandwheel as
possible (Fig. 9.6). After the blade is tracked in the desired
position on the bandwheel, rotate the wheel several more
times by hand without any further adjustment ensuring
that the blade remains in the same position. Once this has
been achieved lock the tracking knob with the winged nut
(Fig. 9.5, A).
Note:
It takes a few revolutions of the bandwheel for the
effect of adjustment on the tracking knob to become
apparent. To avoid over-adjusting, make small gradual
adjustments on the tracking knob and revolve the
bandwheel on a few times to check the effect before
making further adjustments.
Fig. 9.5
Fig. 9.6
A
B
i
Kg
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