Toro 39696, Руководство оператора

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Belt Maintenance
Checking the Belts
Service Interval: Every 50 hours/Monthly (whichever
comes first)
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks
are signs of a worn deck belt. Replace the deck belt if
any of these conditions are evident.
Replacing the Traction Drive
Belt
1. Remove hairpin cotter securing brake rod to brake
arm to relax belt idler tension (Figure 36).
2. Remove bottom and loosen top bolts of shield to
rotate for belt clearance (Figure 36).
3. Lift the belt past idler and off the drive pulley
(Figure 36).
4. Raise the wheel off ground enough to allow belt
removal.
5. Replace the traction drive belt.
6. Secure shield with previously removed bolt and
tighten bolts (Figure 36).
7. Secure brake rod to brake arm with hairpin cotter
(Figure 36).
Figure 36
1. Hairpin cotter 3. Shield
2. Brake rod 4. Drive belt
Replacing the Transmission
Drive Belt
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Raise the rear of the machine and hold it up with
jack stands.
4. Remove the mower belt; refer to Replacing the
Mower Belt (Figure 37).
Figure 37
1. Idler pulley in slot 4. Belt guide
2. Traction belt 5. 3/4 inch (19 mm)
3. Mower belt 6. Mower belt
5. Loosen the pivot bolt enough to slide the idler pulley
in the slot and remove the traction belt from the
engine and the drive pulleys (Figure 37).
6. Install the new drive belt around the engine and the
drive pulleys (Figure 37).
7. Slide the idler pulley in the engine frame to tension
the traction belt (Figure 37).
8. Install the mower belt (Figure 37).
9. Check the belt guide under the engine frame for the
proper adjustment (Figure 37).
Note:
The distance between the belt guide and
mower belt should be 3/4 inch (19 mm) when the
mower belt is engaged. Adjust the belt if necessary.
The disengaged belt should not drag or fall off the
pulley when the guides are properly adjusted.
Replacing the Mower Belt
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Remove the knobs and the belt cover on the mower.
4. Remove the idler pulley and the worn belt (Figure 38).
5. Install the new mower belt.
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