Replacing the Hydraulic Filters and
Hydraulic Fluid
Service Interval:
After the first 250 hours—Change the
hydraulic filters and hydraulic fluid when
using any type of oil.
Every 250 hours—Change the hydraulic filters and
hydraulic fluid when using Mobil
®
1 oil (more often in
dirty or dusty conditions).
Every 500 hours—Change the hydraulic filters and
hydraulic fluid when using Toro
®
HYPR-OIL
™
500
hydraulic oil (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
for the oil specifications.
1.
Disengage the blade-control switch (PTO), move the
motion-control levers to the N
EUTRAL
-
LOCK
position,
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 87
1.
Jack stands
4.
Remove both the mower belt and the pump-drive
belt; refer to
Replacing the Mower Belt (page 50)
and
Replacing the Hydraulic Pump-Drive Belt (page 52)
.
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 (
G008968
1
2
Figure 88
Bottom view of the machine
1.
Filter locations
2.
Hydraulic filter
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 (
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.
56
Содержание 74923 Z Master 6000
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