Servicing
Operating Instructions
6-4
PPH25RR*** / 000
Bleeding the system
Proceed as follows
• Open tank cover
• Fill oil to maximum mark
• Do not refit the tank cover, yet
• Short-circuit the main circuit with hose
• Start the Drive Unit PPH25RR***,
see "Chapter 5" 5.4.1,
5-6
• Select the pressure stage 4,
see "Chapter 5" 5.4.3,
5-8
• Allow the Drive Unit PPH25RR*** to run for a maximum of 5 seconds
• Switch off the Drive Unit PPH25RR***,
see "Chapter 5" 5.4.7,
5-10
• Wait for 1 minute
• Repeat the start-up and shutdown process three times
• Check the oil level and top up the hydraulic oil as necessary
• Fit tank cover
• The system is now free of air
Information
Air must be bled from the system whenever the tank has been complete-
ly emptied and refilled.