Maintenance 48
Fig. 8.4 High-pressure filters
Hydraulic oil tank is located in the front of the body. On the top of oil tank, a ventilation
filter with a filling connector is located. A shut-off valve is installed in the suction pipe
of the hydraulic pump. In the upper part of the hydraulic tank there is an oil level indicator
with the MIN-MAX level mark.
If discoloration or deposits of hydraulic oil are found on the oil level indicator , an earlier
oil change should be carried out.
To change hydraulic oil, follow the instructions below:
o Retract all hydraulic cylinders
o Bring the installation to operating temperature (turn on the body and wait until the oil
tank reaches the temperature of 40-50ºC)
o Close the shut-off valve
o Prepare a sufficiently large collecting basin ready to transfer oil and place it under
closing plug
o Open ball valve and shut-off valve
o Drain all oil from hydraulic installation
o Changes cartridges of return filter and high-pressure filter
o Close ball valve and shut-off valve and fill the tank with new oil.
To Next Page
Loading...