Toro 74946 Operator's Manual page 61

Replacing the Hydraulic Filters and
Hydraulic Oil
Service Interval: After the first 250 hours—Change the
hydraulic filters and hydraulic oil.
Every 250 hours—Change the hydraulic filters and
hydraulic oil when using Mobil
dirty or dusty conditions).
Every 500 hours—Change the hydraulic filters and
hydraulic oil when using Toro
hydraulic oil (more often in dirty or dusty conditions).
To replace the hydraulic oil, you need to remove the filters.
Replace both at the same time; refer to
Hydraulic System (page 60)
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. Raise the machine and support it with jack stands
(Figure 86).
Figure 86
1. Jack stands
4. Remove both the mower belt and the pump-drive
belt; refer to Replacing the Mower Belt (page 55)
Replacing the Hydraulic-Pump Drive Belt (page
Note: This prevents oil from getting on the belts.
5. Place a drain pan under the filter, remove the old filter,
and wipe the surface clean
® 1 oil (more often in
® ™
HYPR-OIL
Servicing the
for the oil specifications.
- position,
EUTRAL LOCK
(Figure 87).
500
1. Filter locations
6. Apply a thin coat of hydraulic oil 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
86).
10. Add oil to the hydraulic reservoir and check for any
leaks.
11. Clean up any spilled oil.
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 oil level while the oil is cold.
15. If required, add oil to the hydraulic reservoir.
Note: Do not overfill.
and
56).
61
Figure 87
Bottom view of the machine
2. Hydraulic filter
(Figure 87).
1
2
G008968
(Figure