Advanced Topics in Elevators 810
Explains location and placement of the hydraulic power unit and completion of the oil line. Describes assembly of the car sling and the steps necessary to achieve a safe, temporary running platform for convenience in completing work in the hoistway. Outlines techniques and guidelines for cutting and threading pipe. Discusses grooved joint piping. Explains the various types of pumps. Defines specifications of oils used with hydraulic elevators.