Internal workings of the HW type point machine. Having now had a chance to think some more and discuss with Reuben, we have come to the conclusion that The HW may well have actually predated the competitor’s 63 machine, so presumably was designed in the late s, probably in anticipation of all the re-signalling work expected after the modernisation strategy, almost everywhere then being mechanically signalled and steam. Electric Point Machine is a vital device for Railway Signalling for quick operation and locking of point switches and plays an important role in safe running of trains. Failure of Manual operation with crank handle During the failure of motor, point etc. due to power supply or for maintenance work.
Recall the principles of operation of the HW Point Machine. Carry out maintenance in accordance with the signalling maintenance specification. Adjust the new point machine to operational parameters. Locate faults on the points. Change components parts of the Point Machine Course Contents: Principles of operation of a GEC HW 10Point. HW HW Point Machine Contact Maintenance Kits 1. HW Point Machine Contact Maintenance Kit Each item in the kit has been carefully designed for ease of use, especially where access is restricted. Ergonomic design of the handles allows for confident handling even with gloved hands. An electric point machine is a device, which can perform the function of unlocking and operating the point switches in the desired position and lock them and detect their correct setting with the aid of an electric motor, similar to that performed by an operator through.
It shall be possible only by a manual operation to re-set the crank handle contacts The facing point lock on the HW machine is of an "in and out" type. This manual point machine of the 40 series made by HANNING KAHL is characterized by compact design and robust technology. The 40 series offers an. There wouldn't have been any sense in using HW where no requirement for ac immunity was anticipated. The motors would have been more.
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