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Adjusting the Parking Brake (continued)
2. Step on the brake pedal.
3. Disengage the parking brake.
4. Rotate the knob
• Counterclockwise—loosen
• Clockwise—tighten
Note:
revolution each time.
5. Test the parking brake.
6. Repeat steps above until the machine does not
move forward.
Hydraulic System Maintenance
Hydraulic Fluid Specifications
Hydraulic-Fluid type:
Hydraulic fluid capacity:
The machine hydraulic tank is filled at the factory with approximately 28.4 L (30 US qt) of
hydraulic fluid.
Use only 1 of the following fluids in the hydraulic system:
• Toro Premium Transmission/Hydraulic Tractor Fluid (refer to your Authorized Service
Dealer for more information)
• Toro PX Extended Life Hydraulic Fluid (refer to your Authorized Service Dealer for
more information)
• If either of the above Toro fluids are not available, you may use another Universal
Tractor Hydraulic Fluid (UTHF), but they must be only conventional, petroleum-
based products. The specifications must fall within the listed range for all the following
material properties and the fluid should meet the listed industry standards. Check with
your hydraulic fluid supplier to determine if the fluid meets these specifications.
Note:
so use only products from reputable manufacturers who will stand behind their
recommendations.
Material Properties
Viscosity, ASTM D445
Viscosity index, ASTM D2270
Pour Point, ASTM D97
Maintenance: Hydraulic System Maintenance
to adjust the parking brake.
Rotate the knob no more than 1
Toro will not assume responsibility for damage caused by improper substitutions,
G378801S
Mobil 424 Hydraulic Oil or equivalent
28.4 L (30 US qt)
cSt at 40°C: 55 to 62
cSt at 100°C: 9.1 to 9.8
140 to 152
-37 to -43°C (-35 to -46°F)
Page 5–13
3461-467 A
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