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6. Remove the current blade from the upper
wheel, then the lower wheel. Turn blade to
direct it through the slot in the table.
New blades are usually
packaged in coiled position. Use gloves and
grasp the coil with one hand while slowly
uncoiling the blade with the other hand.
7. Guide new blade through table slot. Place
blade in upper and lower blade guides, and
around upper and lower wheels.
Note: Make sure blade teeth point forward
and down toward the table. If the teeth won’t
point downward no matter how you orient
the blade, then the blade is twisted inside-
out. Remove blade and, using gloves, twist
it into correct orientation, then re-install.
8. Position blade so it lies on the center of both
upper and lower wheels.
9. Raise tension lever to partial tension
position.
10. Re-install table insert and table pin.
11. Tension and track the blade before
operating saw. Proceed to "Blade Tension"
and “Blade Tracking".
Blade Tension
Refer to Figure 43.
1. Disconnect machine from power source.
2. Place tension lever in full tension position
(see Figure 42).
3. Turn blade tension knob (Figure 43)
clockwise to tension blade. A gauge on the
upper wheel slide bracket indicates the
approximate tension according to the width
of the blade. Initially, set the blade tension
to correspond to blade width.
The tension lever must be in
highest (tension) position when setting blade
tension. Failure to comply may cause
damage to locating block at base of lever.
As you become familiar with the saw, you may
find it necessary to change the blade tension
from the initial setting. Changes in blade width
and the type of material being cut will have an
effect on blade tension. Keep in mind that too
little or too much blade tension can cause blade
breakage.
TIP: If the band saw is to sit idle for a period of
time while the blade is installed, place tension
lever in partial tension position; this will help
prevent blade fatigue and tire deformation, and
save wear on bearings and band wheels.
Figure 43