Replacing The Mower Belt; Removing The Mower - Toro TITAN ZX 4800 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 are evident.
1. Disengage the blade-control switch (PTO), move the
motion-control levers to the N
and set the parking brake.
2. Shut off 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. Loosen the 2 bottom bolts holding the mower-deck
curtain to the mower deck; refer to
Mower-Deck Curtain (page
5. For each of the belt covers, loosen the 2 bolts, but do
not remove them.
6. Slide the cover until it is clear of the bolts and lift it
up and out to remove it.
7. Remove the floor pan to access the idler pulley.
8. 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
2
1
4
1. Spring-removal tool (Toro
Part No. 92-5771)
2. Idler spring
3. Deck post
9. Lower the mower to the lowest height of cut and place
the height-of-cut pin in the lock position for the lowest
height-of-cut.
10. Remove the belt from the mower-deck pulleys and
remove the existing belt.
-L
EUTRAL OCK
Releasing the
33).
(Figure 73).
3
G009806
Figure 73
4. Idler arm
5. Mower belt
11. Install the new belt around the mower pulleys and the
clutch pulley under the engine
The spring is under tension when installed
and can cause personal injury.
position,
Be careful when removing the belt.
12. Using a spring-removal tool, (Toro Part No. 92-5771),
install the idler spring over the deck post and placing
tension on the idler pulley and mower belt
13. Ensure that the belt is properly seated in all pulleys.
14. To install the belt covers, insert the tabs on the each
cover into the corresponding slots on the deck bracket,
ensuring that they seat.
15. Rotate the cover to the deck and slide the notches
under the loosened bolts until they are seated.
16. Tighten the bolts to secure the cover to the deck.
17. Tighten the 2 bottom bolts holding the mower-deck
curtain to the mower deck; refer to
Mower-Deck Curtain (page

Removing the Mower

Park the machine on a level surface and disengage the
blade-control switch. Move the motion-control levers
outward to the N
brake, shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating position.
Lower the mower to the lowest height of cut. Select one of
the following procedures depending on the mower deck size
installed to complete the removal.
Preparing to Remove the Mower Deck
1. Lower the mower to the 76 mm (3 inch) height-of-cut
position.
2. Loosen the 2 bottom bolts holding the mower-deck
curtain to the mower deck; refer to
5
Mower-Deck Curtain (page
3. Remove the mower belt from the engine pulley; refer
to Replacing the Mower Belt (page
48
WARNING
33).
-L position, engage the parking
EUTRAL OCK
33).
(Figure 73).
(Figure 73).
Releasing the
Releasing the
48).