OPERATING INSTRUCTIONS Inspection and servicing Venting the grease pump
Venting the grease lines
Ü Refill grease container (6, Fig. 3-95:). Ü Unscrew lines (7) from connections (12).
If air has penetrated into the line system - e.g. when lines are being replaced - the lubricating system must be vented.
Ü Start up grease pump (5) until grease emerges from connections (12).
Ü Disconnect lines (7, Fig. 3-95:) from the distributors.
Ü Switch off grease pump and reconnect lines (7).
Ü Start up grease pump (5) until grease emerges from lines (7). Ü Switch off grease pump (5) and reconnect lines (7) to the distributors. Ü Disconnect all other lines one after the other from the distributors, start up grease pump (5) and wait until grease emerges from the respective connection. Ü Repeat these procedures at all other distributors.
Unblocking a grease line Fig. 3-95:
Proceed as described under "Venting the line system". Put the excavator back into operation only after the lubricating system works properly and after activating the unloaded working equipment for abt. 5 minutes. This is required to supply sufficient grease to the cylinder bearings.
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BA RH30F(3 663 960.00)-EN
