OPERATING INSTRUCTIONS RH 40 E

Inspection and servicing

Venting the grease pump

" Refill grease container (6, Fig. 3-100:).

" Unscrew lines (7) from connections (12).

" Start up grease pump (5) until grease emerges from connections (12).

" Switch off grease pump and reconnect lines (7).

Venting the grease lines

If air has penetrated into the line system - e.g. when lines are being replaced - the lubricating system must be vented.

" Disconnect lines (7, Fig. 3-100:) from the distributors.

" 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".

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.