Toro Groundsmaster 4300-D, Operator'S Manual

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Figure 93
Changing the Hydraulic Fluid
Service Interval: Every 2,000 hours— If you
are using the recommended
hydraulic fluid,
change the
hydraulic fluid.
Every 800 hours— If you are not using the
recommended hydraulic fluid or have ever
filled the reservoir with an alternative fluid,
change the hydraulic fluid.
Hydraulic Fluid Capacity: 56.7 L (15 US gallons)
If fluid becomes contaminated, contact your Toro
Distributor because the system must be flushed.
Contaminated fluid looks milky or black when
compared to clean oil.
1. Turn the key in the switch to the O
FF
position
and raise the hood.
2. Place a large drain pan under the fitting secured
to the bottom of the hydraulic-fluid reservoir
(
Figure 94 ).
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Figure 94
1. Hose
3. Disconnect the hose from the bottom of the
fitting and let the hydraulic fluid flow into the
drain pan.
4. Install the hose when hydraulic fluid stops
draining.
5. Fill the reservoir with hydraulic fluid ( Figure 93 ).
Important:
Use only hydraulic fluids
specified. Other fluids could cause system
damage.
6. Install the reservoir cap.
7. Turn the key in the switch to the O
N
position,
start the engine, use all of the hydraulic controls
to distribute hydraulic fluid throughout the
system, and check for leaks.
8. Turn the key in the switch to the O
FF
position.
9. Check the level of the hydraulic fluid and add
enough to raise level to the Full mark on the
dipstick.
Important:
Do not overfill.
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