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Replacing V-Belts
To ensure optimum power transfer from the motor
to the blade without slipping, the V-belts must be
in good condition.
Replace the V-belts if they are cracked, frayed, or
excessively worn.
Note: The V-belts do not need to be tensioned.
The variable speed pulley system and the weight
of the motor assembly ensure proper V-belt ten-
sion.
To replace the V-belts:
1.
DISCONNECT BANDSAW FROM POWER!
2.
Open the motor access door.
3.
Roll the V-belt off the air pump pulley,
then remove it from the motor pulley (see
Figure 59).
Variable Speed
Pulley
Motor
Pulley
Figure 59. Drive component identification.
4.
Lift the air pump up to release the V-belt ten-
sion between the motor pulley and variable
speed pulley, then remove the V-belt.
5.
Roll the V-belt off the lower wheel pulley, then
remove it from the variable speed pulley.
6.
Install the new V-belts in the reverse order
that you removed them.
7.
Close and secure the motor access door.
-46-
Wheel alignment is important for optimal perfor-
mance from your bandsaw. Wheels are properly
aligned when they are parallel with each other and
in the same plane or "coplanar" (see the illustra-
tion in Figure 60 on the next page).
The wheels were properly aligned at the factory.
However, if the wheels become out of alignment,
one or more of the following symptoms may
occur:
•
•
•
Important: This is a time consuming procedure.
Before proceeding, perform the Tensioning &
Tracking Blade instructions (Page 19) to ensure
that fault does not lie with these more simple and
common adjustments. If the original symptoms
persist, proceed with this subsection.
Checking Wheel Alignment
Items Needed
Board 2x6 x 4' (G0736) ...................................... 1
Lower Wheel
Board 2x6 x 5'1" (G0737) ................................... 1
Pulley
Fine Ruler ........................................................... 1
To check the wheel alignment:
1.
Air Pump
Pulley
2.
3.
4.
Wheel Alignment
The blade will not track properly.
Excessive blade vibration.
Excessive blade lead (blade wanders from a
straight-line cut).
Make one edge of the 2x6 board completely
straight (typically with a jointer), then cut out
a slot in the middle to compensate for the
cabinet (see the illustration in Figure 60 for
an example).
Note: The goal is to make a "coplanarity
gauge" that can reach the top and bottom of
both wheels simultaneously.
DISCONNECT BANDSAW FROM POWER!
Remove the table.
Open the upper and lower wheel doors.
Model G0736/G0737 (Mfd. Since 3/14)
Qty
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