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Changing the Drive Belt
Referring to Figures 22 and 23:
Disconnect the cut-off saw from
its electrical power source.
1. Set the arm at the full horizontal position.
2. Open the drive belt cover to expose the V-belt
and pulleys.
3. Loosen the belt tension adjust knob located in
the rear under the motor (see Figure 23 for knob
direction). Lift the motor upward to loosen the
belt.
4. Remove the worn V-belt.
5. Put the replacement V-belt in the pulley position
for the speed you require (refer to the Blade
Speeds section on page 9).
6. Tighten the V-belt by turning the belt tension
adjust knob (see Figure 23). The belt must be
secure enough so it does not slip when the
machine is running. Do not over tighten. This will
cause premature wear on belt and pulley
bearings.
7. Reinstall drive belt cover and install knob.
Replacing the Drive Motor
Disconnect the cut-off saw from
its electrical power source.
Referring to Figure 24:
1. Remove the drive V-belt (see Changing the
Drive Motor Belt above).
2. Open the motor junction box and disconnect the
power cord wires from their terminals.
3. Remove four screws and washers (A) that
secure the motor (B) to the mounting plate (C).
4. Installation of a new motor is a reversal of the
above steps. Also, complete steps 6 through 8 in
Changing Blade Speed (page 9) to complete
tensioning of the V-belt to the correct tension —
use a straight edge to be certain the motor
pulley is correctly aligned with the speed reducer
pulley.
Figure 22
Figure 23
Figure 24