Maintenance
97
Hydraulics
Hydraulic hoses
Hydraulic hoses age without showing externally visible signs. We
therefore recommend replacing the hydraulic hoses every six years.
Lower the machine to the work position.
Depressurise the system.
Shut off the engine, set the parking brake, remove the ignition key
and secure the tractor against rolling away.
Disconnect the hydraulic hoses.
Replace hydraulic hoses.
\ WARNING
Hydraulic system at zero pressure
Work must only be performed on the hydraulic system if the tractor
and machine hydraulic system is at zero pressure. A pressurised
hydraulic system can trigger unforeseen movements on the
machine and can cause serious machine damage and personal
injury. Serious or fatal injury may be caused as a result.
Exercise caution when welding
Do not perform any welding work in the vicinity of the hydraulic
hoses. Hydraulic oil can catch fire very easily.
Clean hydraulic system
Close or disconnect the quick couplings with great care. Remove
any dirt or air which has entered the hydraulic system. The
hydraulic system may otherwise be seriously damaged. Material
damage or personal injury may be caused as a result.
Collect escaping oil
Escaping oil must be collected and disposed of in accordance with
national regulations. Otherwise, damage may be caused to the
environment.
\ WARNING
Replace hydraulic hoses every six years or earlier
Hydraulic hoses age without showing externally visible signs.
Replace hydraulic hoses every six years, or earlier if aging or
degradation is visible. Defective hydraulic lines can cause serious
or fatal injuries.
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