Toro 78370 Operator's Manual page 9

4. Remove the tractor's grill by pulling it straight
out toward you.
POTENTIAL HAZARD
Components under the hood will be hot if
the tractor has been running.
WHAT CAN HAPPEN
Touching hot components can cause burns.
HOW TO AVOID THE HAZARD
Allow the tractor to cool before performing
maintenance or touching components
under the hood.
5. Position the end of the belt into the grooves of
the PTO pulley (Fig. 10), making sure it is also
under the pulleys in the pulley box.
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Figure 10
1. Pulley box pulley
2. Belt tension release arm
6. Loop the other end of the belt over the drive
pulley of the mower. Additional belt slack can
be obtained (if needed) by turning the belt
tension adjustment knob (Fig. 11).
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1
2
m–3470
3. PTO pulley
4. PTO drive belt
7. Now adjust the belt tension.
A. Push the belt tension release arm back
toward the pulley box to tension the belt.
B. Check the tension indicators on each side of
the pulley box.
C. If the tension indicators are not in the same
position, release the belt tension, turn the
adjustment knob and repeat steps A and B
until the indicators move to the same
position (Fig. 11).
D. Once the indicators are in the same
position, swing the tension release arm into
the pulley box and seat it by moving it into
the position shown in Figure 11.
2
Figure 11
1. Belt tension release arm
2. Belt tension indicator (2)
3. Belt tension adjustment
knob
8. Loosen the belt guide bolt (Fig. 12).
9. Adjust the belt guide so that it just touches the
belt on the inside arm of the guide (toward the
center of the deck) (Fig. 12).
Installation
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3
1
m–3458
4. Seating position for
tension arm
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