HV hydraulic oil (High viscosity index).
ISO-L-HV; DIN 51524-3 HVLP.
Pneumatic and electrical control circuits, controls and warning lights.
Check the standard operation of the controls, warning lights and relevant circuits and
pipes. In the event of faults, please contact the manufacturer or an authorised work-
shop.
Structural components
Check that all structural components are free of faults such as bending, breakage,
detached components, welding cracks etc. If any faults are noted, contact the manu-
facturer or a specialised repair centre.
Extraordinary Maintenance
Such operations consist of all interventions aimed at:
•
fix leaks within the hydraulic circuit;
•
checking, repairing, or replacing the hinges, pins, oil seals constituting the
tilting mechanism and lifting jack;
•
checking or replacing the end-stroke device, the hydraulic control unit and
warning light;
•
checking or repairing the body structure or any other component of the upper
structure.
The lifting system may be affected by several different causes of failure. In such cir-
cumstances, after following all instructions given within the manual, it is necessary to
carry out a troubleshooting session.
116