REXROTH A6VE Series 71 User Manual

Troubleshooting 53/60
RE 91616-01-B/10.2014, A6VE Series 65 and 71, Bosch Rexroth AG
14.2 Malfunction table
Table 18: Axial piston unit malfunction table
Malfunction Possible cause Remedy
Unusual noises Insufficient bleeding of the hydraulic system Axial piston unit, suction line for the hydraulic
pump and filling the reservoir
Completely air bleed axial piston unit and
hydraulic system.
Check correct installation position
Output speed too high Machine/system manufacturer:
Reduce volume flow
Improper mounting of the axial piston unit. Check the mounting of the axial piston unit
according to the specifications of the machine/
system manufacturer (observe tightening
torques).
Improper mounting of the accessory parts,
hydraulic lines or wrong installation of the
coupling
Fix attachment parts according to the
information provided by the coupling or fitting
manufacturer.
Mechanical damage to the axial piston unit
(e.g. bearing damage).
Replace axial piston units
Contact Bosch Rexroth Service.
No or insufficient pressure Insufficient bleeding of the hydraulic system Axial piston unit, suction line for the hydraulic
pump and filling the reservoir
Check correct installation position
Faulty mechanical output drive
(e.g. defective coupling).
Contact machine/system manufacturer.
Drive power too low Contact machine/system manufacturer.
Malfunction of the control device or controller
of the axial piston unit.
Contact Bosch Rexroth Service.
Control of the control device defective Check control (machine/system manufacturer
or contact Bosch Rexroth-Service )
Wear or mechanical damage to the axial piston
unit.
Replace axial piston units
Contact Bosch Rexroth Service.
Drive unit defective (e.g. hydraulic pump) Contact machine/system manufacturer.
Pressure/flow fluctuations resp.
instabilities
Insufficient bleeding of the hydraulic system Axial piston unit, suction line for the hydraulic
pump and filling the reservoir
Completely air bleed axial piston unit and
hydraulic system.
Check correct installation position
Unstable control signal Contact machine/system manufacturer resp.
Bosch Rexroth-Service
Malfunction of the control devices or the
controller.
Contact Bosch Rexroth Service.

REXROTH A6VE Series 71 Specifications

General

Brand	REXROTH
Model	A6VE Series 71
Category	Engine
Language	English