Adjusting The Caster Pivot Bearing; Servicing The Gear Box; Adjusting The Electric Clutch - Toro Z580-D Z Master Operator's Manual

Adjusting the Caster Pivot
Bearing
Service Interval: Every 500 hours
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 dust cap from caster and tighten lock
nut (Figure 59).
4. Tighten the locknut until the spring washers are flat
and then back off a 1/4 turn to properly set the
pre-load on the bearings (Figure 59).
Important: Make sure spring washers are
installed correctly as shown in Figure 59.
5. Install the dust cap (Figure 59).
1. Spring Washers
2. Lock Nut

Servicing the Gear Box

Checking the Gear Box Oil Level
Service Interval: Every 100 hours
Use SAE 75W–90 Synthetic Gear Lube.
1. Park the machine on a level surface.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
Figure 59
3. Dust Cap
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Remove the side or rear plug on the gear box.
(Figure 60).
5. The oil should be up to the opening of the gear box.
6. Add oil if needed to bring it to the correct level.
1. Gear box
2. Side plug
Changing the Gear Box Oil
Service Interval: After the first 100 hours
Yearly
Contact an Authorized Service Dealer to change the
gear box oil.

Adjusting the Electric Clutch

Service Interval: Every 500 hours
The clutch is adjustable to ensure proper engagement
and proper braking.
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.
45
Figure 60
3. Rear plug
4. Pulley