REXROTH HyQuip 63 Series, Инструкция по эксплуатации

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Hyquip Limited New Brunswick Street Horwich Bolton Lancashire BL6 7JB UK
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52/56 Troubleshooting
Bosch Rexroth AG , A6VE Series 63, RE 91606-01-B/07.2013
Table 16: Axial piston unit malfunction table
Malfunction Possible cause Remedy
Rotational speed or torque cannot
be reached Insufficient flow at hydraulic pump Check function of the hydraulic pump
Minimum or maximum displacement set
incorrectly Contact Bosch Rexroth Service
Control of the control device defective Check control (machine/system manufacturer)
Insufficient pilot pressure or control pressure Check pilot pressure or control pressure
Contact Bosch Rexroth Service
Malfunction of the control device or controller
of the axial piston motor Contact Bosch Rexroth Service
Hydraulic fluid not in optimum viscosity range Machine/system manufacturer:
check temperature range and use suitable
hydraulic fluid
Wear or mechanical damage to the axial piston
motor Replace axial piston unit
Contact Bosch Rexroth Service
Wear or mechanical damage to the axial piston
pump Replace hydraulic pump
Contact Bosch Rexroth Service
Wrong direction of rotation Check function of the hydraulic pump
Machine/system manufacturer: Check correct
direction of rotation,
see chapter 7.4.1
"Preparation" on page 28
Excessive hydraulic fluid
temperature and housing
temperature Excessive inlet temperature at the axial piston
unit Machine or system manufacturer: inspect
system, e.g malfunction of the cooler,
insufficient hydraulic fluid in the reservoir
Wrong setting or malfunction of the pressure
relief and pressure control valves (e.g.
high-pressure relief valve, pressure cut-off,
pressure controller)
Optimize the adjustment of the pressure relief
and pressure control valves of the axial piston
unit and the pressure safeguarding in the
hydraulic system
Contact Bosch Rexroth Service
Contact machine/system manufacturer
Output speed too high Contact machine/system manufacturer
Flushing flow of the flushing valve too low Contact Bosch Rexroth Service
Wear of axial piston unit Exchange axial piston unit, contact Bosch
Rexroth Service