76
-base grease EP-2
*: If the traveling time accounts for a high ratio of the total operating time, replace the gear oil
ahead of the specified periods.
**: Use running water (soft water). Do not use well water or river water. If the outside
temperature is <0℃, add coolant (antifreeze). Determine the mixture ratio as per the coolant
manufacturer’s instructions.
***: The replacement period of hydraulic oil depends on the type of hydraulic oil in use. The new
machine is filled with genuine hydraulic oil 46 at the time of delivery and the hydraulic oil
replacement periods described in this manual are based on the use of genuine hydraulic oil 46.
When common anti-wear hydraulic oil is used, replace the hydraulic oil once every 2,000h.
Periodical Replacement of Hydraulic Oil
With installed hydraulic breaking hammer, the hydraulic oil deteriorates faster than the common
digging operations. Ensure to replace the hydraulic oil and oil return filter element.
The failure to replace timely will result in damage of machine and breaking hammer hydraulic
system. To prolong the lives of hydraulic devices, please timely replace the hydraulic oil and oil
return filter element as per the table below.
During the replacement of hydraulic oil, clean the oil suction filter screen.
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