Kubota u15-3, Руководство по ремонту

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WSM U15-3
II-84
2) Specifications
1. Max primary pressure: 6.9 MPa {70 kgf/cm
2
}
2. Max. back pressure: 0.3 MPa {3 kgf/cm
2
}
3. Rated flow: 15 L/min
4. Secondary pressure characteristics: Refer to the ‘Control diagram’ shown right
5. Operating torque: Refer to the ‘Control diagram’ shown right
6. Max allowable external torque: Refer to the ‘Max. allowable external torque’ shown right
7. Hydraulic oil: mineral hydraulic oil
8. Oil temp. range: -20 °C ~ +90 °C
9. Filter: A filter of 40 mesh and over should be applied at the entrance of port P for proventing the
spool sticking.
3) Operating specifications
1. Primary pressure: 3.9MPa {40 kgf/cm
2
}
4) Max. allowable external torque
Rated Intermittent
Bending torque 32.4 N·m {330 kgf·cm} 88.3 N·m {900 kgf·cm}
Torsional torque 20.6 N·m {210 kgf·cm} 30.9 N·m {315 kgf·cm}
Push - rod stroke (mm)
Secondary pressure (kgf/cm
2
)
Secondary pressure (MPa)
Operating torque (N m)
Operating torque (kgf cm)
Operating angle (deg.)
Single-operating torque Single-operating torque
Secondary Secondary
pressure
pressure
Single-operating torque
Secondary
pressure