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4. Loosen the three bolts (A - Fig.5) located on the
top of the tracking nuts.
5. Tracking adjustment is accomplished by either
loosening or tightening three adjusting nuts
(B - Fig.5).
6. Tracking is set properly when the back of the
blade lightly touches the wheel flange.
Note: over-tracking (allowing blade back to rub
hard against wheel flange) will damage
the blade wheels and blade.
7. Tighten locking bolts (A) once proper tracking
is achieved.
8. Connect machine to the power source.
Adjusting Feed Rate
When the hydraulic regulating micro switch (A) Fig.6
is turned clockwise as far as it will go, the saw frame
will not move down. By turning the feed control
valve counter-clockwise, you regulate the flow of oil
from the cylinder and determine the speed at which
the saw frame will lower and the blade will feed
through the work. Too many factors are involved to
make tabulated data practical on feed rates. As a
general rule, an even pressure without forcing the
blade gives best results. Avoid forcing the blade at
the start as this may shorten blade life and produce
a bad cut. Inspecting the chips while the cut is being
made will indicate whether the feed rate is correct.
Fine powdery chips indicate a feed rate which is too
light. The teeth are rubbing over the surface instead
of cutting. Burned chips indicate excessive feed
which causes the teeth to break off as the blade
overheats. The ideal feed rate is indicated by chips
that have a free curl, this will give the fastest cutting
time and longest blade life.
Adjusting Blade Guide Brackets
The blade guides should be set as close to the vise
jaws as possible. The right blade guide bracket, is
not adjustable and is set at the factory to clear the
right hand vise jaw. The left blade guide bracket
can be moved to the left or right depending on the
position of the left hand vise jaw. To move the left
blade guide bracket (A) Fig.7, loosen the hand knob
(B), position blade guide bracket and tighten
hand knob (B).
Fig. 5
Fig. 6
A
B
A
Summary of Contents for JHBS916
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