SUNWARD SWDE120B-3 - Fuel Oil

OPERATION & MAINTENANCE MANUAL SWDE120B-3
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7.2 OIL, COOLANT AND FILTER ELEMENT
7.2.1 Lubricating Oil and Hydraulic Oil
 Oil may go bad while the engine and working device work in poor working condition
(high temperature, high pressure).
 The lubricating oil should be used the same level and temperature specified in the
“Operation & Maintenance Manual”.
 Oil should be changed even if it’s not dirty in the specified time.
 While maintenance, pay attention to prevent impurity entering (water, metal particle,
dust), because many problem of the machine are caused by the entering of impurity.
 Do not mix lubricating oil of different grades or brands together.
 Fill up oil as specified capacity. Too much or too less will cause bad lubrication and
lead to machine malfunction.
 If in the working device, the oil is dirty, there’s water or air entering into the oil line.
Please contact with SUNWARD or local authorized distributor.
 The related filter element should be changed while replacing oil, especially when
changing engine filter element, fresh and clean engine oil comply with regulation
should be filled into it.
 It’s recommended to analyze oil quality regularly for checking the status of machine. If
this service is needed, please contact with SUNWARD or specified authorized
distributor.
 The hydraulic system has been filled with oil of SUNWARD when the machine is
delivered from factory.
 The filter element is easy to clog if the used hydraulic oil isn’t recommended by
SUNWARD, please do not use that.
 Please clean off residual oil in the line or in the cylinder before changing hydraulic oil.
7.2.2 Fuel Oil
 Fuel injection pump is a precise part, it won’t work if there’s any water or dirty things in
fuel oil.
 Pay attention to not let the impurity enter while storing or filling fuel.