1.
Deactivate the machine on the main switch and secure it against
unintentional restart.
2.
Let the hydraulic oil cool down until the tank enclosure is warm
to the touch.
3.
Open the air ventilation cap (1).
4.
Pump out hydraulic oil using an external pump.
5.
Add new hydraulic oil (see “Technical Data” in Section 3).
6.
Close the air ventilation cap (1).
7.
Do not operate the machine for a minimum of four hours so that
the dirt particles in the system can settle.
8.
Switch on the machine.
9.
Operate the machine in the idle mode for two minutes.
10. Run the tool several times to bleed the hydraulic oil system.
11. Check oil level. The oil level can be read on the dipstick of the
air ventilation cap. The oil level should be in the middle of the
marking. Add hydraulic oil if necessary.
Dispose of the oil in compliance with the applicable local environ-
mental protection regulations.
Summary of Contents for ET4400
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Page 53: ...Hydraulic oil changes and wear part replacements must be recor ded in the maintenance log ...
Page 75: ...Retaining bolt Crimping die profile 262 263 239 266 232 237 554 245 246 247 245 114 4 x x x ...
Page 76: ...9 6 Hydraulic diagram ...
Page 77: ...9 7 Electric diagram 380 V 50 60 Hz 3 phases ...
Page 78: ...230 V 50 60 Hz 1phase ...
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