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• Adjust ball bearing at rear of blade by loosening hex
nut and turning bearing shaft (see Figure 8).
Ball
Hex Nut
l
Bearing
Shaft
Figure 8 - Upper Blade Guide
• Position ball bearing 0.002" away from back of
blade.
•
Secure position of thrust bearing by tightening hex
nut.
•
Adjust the height of upper guide to clear the work-
piece by '/4". Loosen upper guide knob (see Figure 9)
and adjust height of upper guide until it clears
workpiece by V4". T ighten upper guide knob.
Figure 9 - Upper Blade Guide
LOWER BLADE
GUIDES
•
Lower blade guides employ guide pins for side sup-
port and grooved roller for rear support.
•
Loosen set screws (see Figure 10) and move guide
pins away from blade sides.
Figure 10 - Lower Blade Guides
•
Loosen socket head bolts (see Figure 11 ) and adjust
lower guide bracket position so that rear of blade is
positioned inside the groove of roller (see Figure 10).
There should be 0.002" clearance between blade
and roller.
Figure 11 - Lower Blade Guide
• Tighten socket head bolts (see Figure 11).
• Adjust guide pins (see Figure 10) to sides of the
blade. Use a feeler gauge to check that guide pins
are 0.002" away from blade.
•
Lock adjustment by tightening set screws.
BLADE SELECTION
•
Blades vary depending on type of material, size of
workpiece and type of cut that is being performed.
• Characteristics
which make blades different are
width, thickness and pitch.
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