mecalac 14 MBX, Руководство по ремонту

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3.5.2 Equipment circuit:
- Axial piston pump with variable displacement and power control:
• Cubic capacity: ................................................................................................................ 95 cm 3
• Max. delivery: ............................................................................................................. 207 l/min.
- Associated functions by solenoid-operated valves:
• Low pressure............................................................................................................... ~ 35 bars
- Accelerator.
- Oscillation lock.
- Seat pivoting console safety device.
• High pressure: .......................................................................................................... ~ 310 bars
- Stabilizers.
- Tool unlocking.
- Offset.
- Combined SX18 “LUDV” valve block:
• Five elements of proportional load sensing function with individual balancing for each element:
boom, intermediate boom, dipper, bucket and auxiliary.
• One input element.
• One open-centre element for slewing with separate supply SM12 type.
• Proportionality of the functions always complied with irrespective of each element’s pressure level.
• Anti-cavitation pressure relief valve on each element.
• Hydraulicall-assisted proportional function controls, by manipulators or foot-operated controls
supplied at low pressure with stand-by accumulator.
3.5.3 Slewing and hydrostatic steering circuit:
- Hydrostatic steering:
Double-acting ram protected by two 240 bars anti-shock valves, controlled by a 125/440 cc
double-displacement ORBITROL unit and a priority valve operated by “Load-sensing” signal.
• Fixed displacement gear pump:
- Cubic capacity: ............................................................................................................ 34 cm 3
- Max. delivery: ........................................................................................................ ~ 75 l/min.
- Max. pressure: .......................................................................................................... 190 bars
- Slewing:
• Hydraulic motor: .................................................................................... MSE08 with brake F08
- Max. pressure.: ......................................................................................................... 250 bars
- Cubic capacity: ........................................................................................................ 1250 cm 3
• Slewing internal (ball) crown wheel with remote greasing.
• Rotation speed: ................................................................................................................ 8 rpm
- Hydraulic filtration:
• on return circuit for the equipment (10
µ
).
• on booster pump circuit for travel (10
µ
).
- Paint:
• Polyurethane paint ................................................................................... Grey VOLVO 80BR3
• Polyurethane paint ................................................................................. Yellow VOLVO 80BR3
• Solidifying agent ................................................................................................................. DT6
• Thinner (diluent) ................................................................................................................ X400
- Basic mixture ratios: 100 parts color to 30 parts solidifying agent, with 5 to 15 % thinner for total.
30750 14MBX
M1 9