Tightening the rope for increasing the friction on the pulley wheel can only be done, if the rope with pistons is guided properly, for entering the rising main at the bottom of the well properly. If a tight rope is pulled for a long time exactly around the same turning spot at the well ground, the guiding material needs to be abrasive resistant. Important is also that the whole guiding system for a long rising main pipe is of a certain weight (between 3 to 5 kg), so that the guide is not lifted upwards when the rope is tightened at the pulley wheel. Best results have been achieved with a guiding block cast in concrete.
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