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Servicing the Axles
Use Toro Premium All-season Hydraulic Fluid (available
in 5-gallon pails or 55-gallon drums. See the parts catalog or
an Authorized Toro Service Dealer for part numbers).
If Toro hydraulic fluid is not available, you may use an
equivalent hydraulic fluid such as Mobilfluid 424, provided
that it meets all the following material properties and
industry specifications. Do not use a synthetic hydraulic
fluid. Consult with your lubricant distributor to identify a
satisfactory product.
High Viscosity Index/Low Pour Point
Anti-wear Hydraulic Fluid, ISO VG 46
Material Properties:
Viscosity, ASTM D445
Viscosity Index ASTM
D2270
Pour Point, ASTM D97
FZG, Fail stage
Water content (new fluid)
Industry Specifications:
Checking the Oil Level in the Wheel
Hubs
Service Interval: After the first 100 hours
Every 250 hours
Oil specification: SAE 75W90 synthetic gear lubrication
API classification level GL5
Note: Have another person help you align the oil plugs in
the axles when you service the axle oil.
1. Ensure that the machine is on a level surface and that
all the attachments are in the transport position.
2. Move the machine forward or backward until the plug
for the wheel hub is at either the 3 o'clock or 9 o'clock
position
(Figure
84).
St @ 40°C (104°F): 44 to 48
St @ 100°C (212°F): 7.9 to 8.5
140 to 160
-37°C (-34°F) to -45°C (-49°F)
11 or better
500 ppm (maximum)
Vickers I-286-S (Quality Level),
Vickers M-2950-S (Quality
Level), Denison HF-0
1. Wheel hub
2. Oil port at the 9 o'clock
position
3. Plug
3. Stop the engine, set the parking brake, and remove the
ignition key.
4. Place a drain pan under the drain port in the wheel hub
(Figure
84).
5. Remove the plug from the wheel hub
6. Check that the oil level is at the bottom of the threads
of the oil port
(Figure
•
If the oil level is too high, allow the oil to drain
from the oil port.
•
If the oil level is too low, add oil to the wheel hub
through the oil port; refer to step
the Oil in the Wheel Hubs (page
7. Check the condition of the O-ring on the plug.
Note: Replace the O-ring if it is worn or damaged.
8. Install the plug in the oil port of the wheel hub
84).
9. Repeat steps
2
through
Changing the Oil in the Wheel Hubs
Service Interval: After the first 200 hours
Every 1,000 hours
Wheel hub oil capacity: approximately 1.5 L (1.6 US qt)
Toro Premium Gear Oil is available from an Authorized Toro
Service Dealer. See the parts catalog for part numbers.
Note: If possible, change the oil when it is warm.
1. Move the machine forward or backward until the oil
plug for the wheel hub is at the 6 o'clock position
(Figure
85).
58
Figure 84
4. Drain pan
5. Oil port at the 3 o'clock
position (alternative)
(Figure
84).
6
in
Changing
58).
8
for the other wheel hubs.
84).
(Figure
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