Toro Z Master Professional 5000 Series Operator's Manual page 66

Every 500 hours—Change the hydraulic
filters and hydraulic fluid when using Toro
HYPR-OIL ™ 500 hydraulic fluid (more often in
dirty or dusty conditions).
To replace the hydraulic fluid, the filters need to be
removed. Replace both at the same time; refer to
Servicing the Hydraulic System (page 65)
specifications.
1. Disengage the blade-control switch (PTO), move
the motion-control levers to the N
position, and engage 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. Raise the machine and support it with jack
stands (Figure 86).
1. Jack stands
4. Remove both the mower belt and the pump-drive
belt; refer to Replacing the Mower Belt (page
60) and Replacing the Hydraulic Pump-Drive
Belt (page 61).
Note:
This prevents fluid from getting on the
belts.
5. Place a drain pan under the filter, remove the
old filter, and wipe the surface clean
for the fluid
EUTRAL
Figure 86
(Figure
®
-
LOCK
1. Filter locations
6. Apply a thin coat of hydraulic fluid to the rubber
gasket on the replacement filter
7. Install the replacement hydraulic filter.
8. Install the pump-drive belt and the mower belt.
9. Remove the jack stands and lower the machine
(Figure
10. Add fluid to the hydraulic reservoir and check
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for any leaks.
11. Clean up any spilled fluid.
12. Start the engine and let it run for about 2 minutes
to purge air from the system.
13. Shut off the engine and check for leaks.
14. Check the fluid level while the fluid is cold.
15. If required, add oil to the hydraulic reservoir.
Note:
87).
66
Figure 87
Bottom view of the machine
2. Hydraulic filter
86).
Do not overfill.
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(Figure 87).