Replacing The Mower Belt - Toro Titan MX4800 Operator's Manual

Replacing the Mower Belt

Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn mower belt. Replace the mower belt if any of
these conditions is evident.
WARNING
The spring is under tension when installed and can
cause personal injury.
Be careful when removing the belt.
Removing the Mower Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn mower belt. Replace the mower belt if any of
these conditions is evident.
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the neutral locked position
and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Lower the mower to the 76 mm (3 inch) height-of-cut
position.
4. Lift the floor pan to gain access to the belt and idler
pulley.
5. Remove the belt covers
Figure 65
6. Using a spring removal tool (Toro part no. 92-5771),
remove the idler spring from the deck post to remove
tension on the idler pulley
(Figure 65).
(Figure 66).
1. Spring removal tool (Toro
part no. 92-5771)
2. Idler spring
3. Deck post
7. Lower the mower to the lowest height-of-cut.
8. Place the height-of-cut pin in the lock position for
lowest height-of-cut.
9. Remove the belt from the mower deck pulleys and
remove the existing belt.
Installing the Mower Belt
1. Install the new belt around the mower pulleys and the
clutch pulley under the engine
2. Using a spring removal tool (Toro part no. 92-5771),
install the idler spring over the deck post and place
tension on the idler pulley and mower belt
3. Ensure that the belt is properly seated in all pulleys.
4. Install the belt covers
45
Figure 66
4. Idler arm
5. Mower belt
(Figure 66).
(Figure
(Figure 67).
66).