Toro 74254 Quick Manual

Z589 Z Master
Discharge Mower
Model No. 74254—Serial No. 270000001 and Up
Note: The following information is for 72 inch mower
decks only. Keep this information with the Operator's
Manual.
Important: To ensure proper mower belt tension,
which will result in a longer belt life, check the
mower belt tension after the first 8 hours of use and
8 hours after each belt change.
Replacing the Mower Belt for
72in Mower Decks
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 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. Remove the belt covers (Figure 1).
2
1
Figure 1
1. Belt cover
2. Latch
4. Loosen the idler plate bolts holding the idler plate
(Figure 4).
© 2007—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
®
1
3
G001311
3. Insert slot into the tab
Register at www.Toro.com.
with a 72in TURBO FORCE
5. Remove the idler spring.
6. Remove the belt guide on the spring loaded idler
pulley shown in Figure 2 and Figure 4.
7. Remove the existing belt.
8. Install the new belt around the mower pulleys and
the gearbox pulley under the engine (Figure 2).
1. Mower belt
2. Mower spindle pulley
3. Spring loaded idler pulley
4. Belt guide at a 45 degree
angle
9. Install the belt guide on the spring loaded idler at a
45 degree angle as shown in Figure 2 and Figure 4.
Torque the bolt to 27 to 33 ft-lb (37 to 45 N-m).
10. Install the idler spring to the two posts (Figure 2 and
Figure 4).
11. Adjust the belt tension, refer to Adjusting the Mower
Belt Tension.
12. Install the belt covers by sliding the cover into the
tab, install the bolts, and close the latches (Figure 3).
Form No. 3358-709 Rev A
® Side
Addendum
Figure 2
5. Gearbox pulley
6. Idler spring
7. Idler plate
Original Instructions (EN)
Printed in the USA.
All Rights Reserved