Their Maintenance, Repair and Overhaul

by John Wilding

In this manual I have collected together my writings on this subject. There are 26 chapters covering the general overhaul of a typical 19th century tower clock after it had been badly damaged. The general procedures for the work are fully described with illustrations for the lathe set-ups for repairing the train pivots etc.There is also a detailed description of the construction of a 'winding jack' which provides a geared reduction for the winding of heavy weights. As far as the writer knows this is the first time such a tool has ever been described.A description of an electric remontoire for fitting to a tower clock movement is also described. This is for use on a clock in a museum or similar situation where there is not room for the weight fall.General descriptions are given for the maintenance of these clocks together with the repair of a broken suspension spring.A further five chapters deal with the overhaul of a Potts flatbed tower clock movement which was badly rusted. Again full details of the restoration are given, including the making of a new pendulum, winding key and weight pulley which were all missing.Recently another six chapters have been added. These include a 'major rebuild' which deals with the rehousing of the wheelwork from an 18th century movement which was minus the clock frame. The overhaul of a Gillet & Johnston 1/2 minute release movement is described including the rebuilding of the gear box for the electric winding. The making of the clock weights is also discussed.Additional chapters now include the major overhaul of a Benson movement which was minus many parts. The description covers the machining of a new escape wheel and pinion.

This book contains 112 pages and is fully illustrated





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