BIFFI OLGAS 0.3, Use And Maintenance Manual

Page: 43 / 52

OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
© Copyright by BIFFI Italia. All right reserved.
Pag. 43
Contents may change without notice
6 Troubleshooting
6.1 FAILURE OR BREAKDOWN RESEARCH
Event Possible cause Remedy
Actuator does not
work Lack of power supply Restore it
Lack of hydraulic
supply Open line interception
valve
Failure of the spring Call BIFFI Italia S.r.l.
Customer Service
Blocked valve Repair or replace
Wrong position of the
distributor of the
manual hydraulic group Restore correct
position
Failure of the control
group Call BIFFI Italia S.r.l.
Customer Service
Unexpected
intervention of torque
limit-device Call BIFFI Italia S.r.l.
Customer Service
Actuator too slow Low supply pressure Restore (Sect. 1.4)
Wrong calibration of
flow regulator valves Restore (Sect. 3.6)
Bad functioning of
quick exhaust valve Call BIFFI Italia S.r.l.
Customer Service
Wear of the valve Replace
Actuator too fast High supply pressure Restore (Sect. 1.4)
Bad functioning of
booster/quick exhaust
valve Call BIFFI Italia S.r.l.
Customer Service
Wrong calibration of
flow regulator valves Restore (Sect. 3.6)
Leakages on
hydraulic or
pneumatic circuits Deterioration and/or
damage to gaskets Call BIFFI Italia S.r.l.
Customer Service.
Incorrect position of
the valve Wrong adjustment of
mechanical stops Restore (Sect. 3.4)
Wrong warning of
microswitches Restore (Sect. 3.5)
Hydraulic manual
pump does not work handle positioned on
remote control Position the handle on
the indication of the
operation to make
Leakages on the check
valve of the hydraulic
control group Call BIFFI Italia S.r.l.
Customer Service