The Turret Clock Keeper’s Handbook (New Revised Edition) A Practical Guide for those who Look after a Turret Clock Written and Illustrated by Chris McKay [ ] Copyright © 0 by Chris McKay All rights reserved Self-Published by the Author Produced by CreateSpace North Charleston SC USA ISBN-:978-97708 ISBN-0:9770 [ ] CONTENTS Introduction ...............................................................................................................................11 Acknowledgements .................................................................................................................. 12 The Author ............................................................................................................................... 12 Turret clocks— A Brief History .............................................................................................. 12 A Typical Turret Clock Installation.......................................................................................... 14 How a Turret Clock Works....................................................................................................... 16 Looking After a Turret Clock .................................................................................................. 9 Basic safety... a brief introduction................................................................................... 9 Manual winding .............................................................................................................. 9 Winding groups .............................................................................................................. 21 Automatic winders .......................................................................................................... 21 Setting to time ................................................................................................................ 21 Setting summer time and winter time ............................................................................ 22 Regulation ....................................................................................................................... 23 To start a clock should it have stopped ........................................................................... 23 Correcting the striking or quarter striking ..................................................................... 24 Night silencing ................................................................................................................ 25 Bell hammers .................................................................................................................. 25 Electrical clocks .............................................................................................................. 25 Expected timing performance ........................................................................................ 25 Your Successor ............................................................................................................... 25 Turret Clock Terminology ........................................................................................................ 7 Describing a turret clock ................................................................................................ 7 Frames ............................................................................................................................ 7 Electrical clocks .............................................................................................................. 0 Escapements ....................................................................................................................31 Pendulums ...................................................................................................................... 33 Weights, lines & pulleys ................................................................................................. 33 Dials ................................................................................................................................ 34 Automatic Winders .................................................................................................................. 35 Night Silencing ......................................................................................................................... 7 Automatic Correctors ............................................................................................................... 8 [ 7 ] Electro Hammers ..................................................................................................................... 9 Turret Clock Maintenance ........................................................................................................ 0 Basics .............................................................................................................................. 0 Safety checks .................................................................................................................. 0 Cleaning ...........................................................................................................................41 Lubrication .......................................................................................................................41 Record sheet ................................................................................................................... 42 Basic preventative measures ........................................................................................... 42 What to do if a clock has stopped ................................................................................... 42 Basic diagnostics ............................................................................................................ 43 Dials and motionworks ................................................................................................... 43 Restoration and Conservation .................................................................................................. 44 Terminology ................................................................................................................... 44 Statements of significance and need ............................................................................... 45 Statement of significance ............................................................................................... 45 Statement of need ........................................................................................................... 45 Restoration and conservation policy ............................................................................... 46 Beyond economic repair ................................................................................................. 46 Dials ................................................................................................................................ 46 Commissioning Turret Clock Work ......................................................................................... 8 Deciding on the needs .................................................................................................... 8 Requesting a quotation ................................................................................................... 8 What a quotation should contain .................................................................................... 9 Reasonable exclusions .................................................................................................... 9 Unreasonable exclusions ................................................................................................. 0 Assessing a quotation ..................................................................................................... 0 Warranties ....................................................................................................................... 0 Installing automatic winders .......................................................................................... 51 Dials and motionworks ................................................................................................... 51 Moving turret clocks ...................................................................................................... 51 Illuminating dials ........................................................................................................... 52 Adding quarter striking and tune playing ...................................................................... 52 Who will do the Work Required? ............................................................................................ 53 Finding and choosing a turret clock restorer .................................................................. 53 The approach to the work required ................................................................................. 53 Qualifications ................................................................................................................. 53 [ 8 ] Other Issues .............................................................................................................................. 55 Replacing a mechanical turret clock ............................................................................... 55 Retiring a mechanical turret clock ................................................................................. 55 Lifetime costs ................................................................................................................. 56 The future for