Blade Tracking; Adjusting Upper Blade Guides - Oliver 4650 Owner's Manual

Blade Tracking

Blade tracking has been adjusted at the factory
and shouldn't need any adjustment. If you are
experiencing a problem follow the below listed
steps.
Disconnect machine from power source.
1. Blade must be properly tensioned before
adjusting blade tracking, see "Tensioning
Blade" page 8.
assembly and lower guide assembly if they
interfere with the blade.
2. Open upper wheel door and rotate the wheel
forward by hand. Observe position of the
blade on the wheel. The blade should rest
in approximately the center of the wheel.
3. If adjustment is necessary, loosen the hex
nut (A, Figure 7) on the rear of the machine
near the tension indicator.
4. Adjust tracking by turning the knob (B,
Figure 7) in 1/4 turn increments.
wheel forward, and observe the position of
blade on the wheel.
counter-clockwise
towards the front of the wheel. Rotating the
knob clockwise will move the blade towards
the back of the wheel.
5. Continue with adjustments until the blade is
tracking properly.
6. Tighten the hex nut (A, Figure 7) while
holding knob (B, Figure 7).
Figure 7
Adjusting The Upper Blade Guide
Disconnect machine from power source.
Note: There are
necessary to correctly set the blade
guides. Please completely read through
the following three adjustments entirely
before attempting to set the guides
because the position of the blade may
Move the upper guide
Rotate
Rotating the knob
will move the blade
three adjustments
require you to perform Adjustment 3
before Adjustment 2.
Adjustment 1
1. Blade tension and tracking must be properly
adjusted prior to blade guide setup, see
"Tensioning Blade" page 8 and "Blade
Tracking" page 9.
2. To set the blades, fold a piece of paper
around the back of the saw blade and slide it
up between the blade guides as shown in
Figure 8.
3. Loosen allen bolts (A, Figure 8) and position
the guide bracket so that guides 'B' and 'C'
are just touching the paper and not pushing
the blade aside.
enough, you could reach around the back of
both bracket and squeeze them both
together at the same time. Then lock into
place with allen bolts 'A'.
Note: For best results the upper blade
guide should be lowered so that it is just
above the workpiece while cutting (see
Figure 9). Loosen lock 'B' and use wheel 'A'
to adjust the guide up or down. Lock into
place once set.
9
If your hand is large
Figure 8
Figure 9