5-1
General information of Maintenance
Break-in of the new machine
The break-in period is the first 100 working hours of the new machine.
Cautious use must be taken during this period in order to prevent the machine
from heavy load and working intensity. In the first 50 hours in break-in period,
only 80% of working intensity is permitted, because the proper use during the
break-in period has a deep influence in the service life of machine.
After 50 working hours, the user must check the machine according to the
maintenance list for the first time, and change the
relative
oil and filter.
Meantime, to check the pollution degree of hydraulic oil, the degree must lower
than grade NAS9 or the hydraulic oil should be changed.
When the hydraulic systems stop working, high speed running of the engine is
prohibited. Working equipments can be used only if the temperature of
hydraulic oil has exceeded 20
℃
.
Working in the dusty worksites
When the machine is working on a dusty worksite, please follow the below
instructions:
●
To check whether the air filter is clogged or not with the sensor and
frequent cleaning of filter core is required.
●
Clean the radiator core frequently to prevent the clogging.
●
Frequent cleaning and change of fuel filter are required.
●
Clean the electrical equipment, especially the starting motor and alternator
in order to avoid the blocking of the dust.
●
Move the machine to a clean ground for preventing dust from oil when
checking and changing the oil.
Oil and the filter core
Clean engine oil and greases are required to avoid any impurity in the engine
oil container.
After changed the oil and filter core, to exam whether there are cuttings or
impurities in the old oil and filter core. Adopt proper measures if large numbers
of cuttings and impurities are found.
Never mix different brand of oil. If you need to fill different brand of the oil,
please emptying the old oil.
The hour meter
Check the hour meter in the instrument to see if it is the time to do
