| 摘要 |
An installation for washing hand trucks of operating machines, particularly of rotogravure machines, is constructed and designed in order to receive and to treat in a wash chamber a whole hand truck along with all its parts, not dismounted. In the wash chamber of the installation there is a number of tubular bored bars which receive the wash solvent from a circulation pump and direct the same in the form of jets against the parts of the treated hand truck which require to be washed. The bars form a rotatable whole, are displaced in rotation and in translation in an alternate movement by pneumatic cylinders, and advantageously they surround a print cylinder mounted in the hand truck. A lower collecting basin receives the falling used solvent, and therefrom the solvent is sucked by the circulation pump during a first pre-wash step.
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