Danfoss ET4100, Operator'S Manual

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1. Let the hydraulic oil cool down until the tank enclosure is warm
to the touch.
2. Open the oil filling screw (1).
3. Pump out hydraulic oil using an external pump.
4.
Add new hydraulic oil (see “Technical Data” in Section 3).
5. Close the oil filling screw (1).
6. Do not operate the machine for a minimum of four hours so that
the dirt particles in the system can settle.
7. Operate the machine in the idle mode for two minutes.
8. Run the tool several times to bleed the hydraulic oil system.
Dispose of the oil in compliance with the applicable local environ-
mental protection regulations.