16
Fig. 40
Fig. 41
Fig. 42
TRACKING THE BLADE
DISCONNECT MACHINE FROMPOWERSOURCE.
IMPORTANT:Before tracking the blade, make sure the
blade guides and blade support bearings are clear of the
blade so as not to interfere with the tracking adjustment.
Af ter tension has been applied to the blade, revolve the
wheels slowly forward by hand and watch the blade (A)
Fig. 41, to see that it travels in the center of the upper
tire. If the blade begins to creep toward the front edge,
loosen the wing nut (B) Fig. 42, and tighten the thumb
screw (C). This will tilt the top of the wheel toward the
back of the machine and will draw the blade toward the
center of the tire. If the blade creep s toward the back
edge, turn the thumb screw in the opposite direction.
Adjust the thumb screw (C) Fig. 42, only a fraction of a
turn at a time. NEVER TRACK THE BLADE WHILE
THE MACHINE IS RUNNING. Af ter the blade is tracking
in the center of the tires, tighten the wing nut (B) Fig. 42.
ADJUSTING
BLADE TENSION
DISCONNECT MACHINE FROM POWER SOURCE.
On the back of the upper wheel slide bracket, there is a
series of graduations. These indicate the proper tension
for various wid ths of blades. W ith the blade on the
wheels, turn the knob (A) Fig. 40, to raise or lower the
wheel, until the red fiber washer (B) is in line with the
proper graduation for the size of blade being used.
The graduations will be found correct for average work,
and are not af fected by rebrazing of the saw blade. W e
urge you to use these graduations until you have
become familiar enough with the operation of the Band
Saw to vary the tension for dif ferent kinds of blades or
work. Over-straining is a common cause of blade break -
age and other unsatisfactory blade performance. Re-
lease the tension when the machine is not in use.
C
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