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Sometimes, the left and right spreaders of the paver machine do not work, which is generally due to the failure of the oil make-up system. The reasons for the low pressure of the make-up oil system are: the inlet passage of the make-up oil pump is not smooth; The pressure of overflow valve of make-up oil pump is low; Failure of make-up oil pump itself; The hydraulic motor is seriously leaking. Generally, the make-up oil pump and its overflow valve of the road paver machine shall be mainly inspected.
Matters needing attention:
In the use of road paver machine, doing a good job in the maintenance of the paver machine hydraulic system can greatly reduce failures. Generally, the following points should be noted:
(1) Before adding the hydraulic oil to the hydraulic oil tank, the oil should be filled in a clean container. The hydraulic oil must be filtered by the oil filter and then added to the hydraulic oil tank; the replacement period of the hydraulic oil depends on the quality of the oil used (generally replaced once every 1000h ); The replacement of hydraulic oil should be carried out at operating temperature; in order to ensure good heat dissipation of the hydraulic system, the hydraulic oil radiator should also be cleaned regularly.
(2) As the construction environment of the paver machine is generally harsh, the replacement cycle of the hydraulic oil filter element should also be shortened (generally 750h is appropriate). Check when replacing the new filter element. It is strictly forbidden to use deformed, polluted or rusted ones. Filter element.
(3) When starting the engine every day, you should first idling for a period of time, and then manipulate the execution elements of the road paver machine to work, which is conducive to the use of hydraulic pumps.
(4) Due to the long-term use of rubber paving machine, its hydraulic system parameters sometimes change. Therefore, the parameter settings of the hydraulic system should be checked regularly and adjusted in time.
