OPERATING INSTRUCTIONS RH 40 F Inspection and servicing Venting the grease pump
Venting the grease lines
" Refill grease container (6, Fig. 3-104:). " 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.
" Start up grease pump (5) until grease emerges from connections (12).
" Disconnect lines (7, Fig. 3-104:) from the distributors.
" Switch off grease pump and reconnect lines (7).
" Start up grease pump (5) until grease emerges from lines (7). " Switch off grease pump (5) and reconnect lines (7) to the distributors. " 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. " Repeat these procedures at all other distributors.
Unblocking a grease line Proceed as described under "Venting the line system". Fig. 3-104:
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.
BA RH40F(3 668 020.01)-EN
3-89
