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GREASING SYSTEM:

This type of greasing system constitutes a governing component of our chain-type fixed weed screen cleaning systems installed at open-source water intakes of some irrigation pumping stations in Egypt. It handles greasing of parts well immersed in water. Backed by a proprietary control system, a self-starting greasing system is used to grease lower sprockets for a few seconds upon operation of a weed screen cleaning machine. The greasing interval is entirely adjustable. So as lower sprockets are greased, a 20-bar greasing pump is used to pump grease through appropriate tubing to lower sprocket pins having channels leading to helical grooves on the internal surfaces of copper sleeves. Grease eventually flows in drain lines to drain cups. As opposed to single machine operation, starting multiple machines in the automatic mode calls for greasing of multiple lower sprockets. This is carried out on a consecutive basis and machines are handled one after another. Having finished the required greasing cycle, the greasing pump motor is turned-off, solenoid valves are closed and the cycle is never restarted unless another machine is manually or automatically operated.