Expert: William J Perkins - 2/16/2009

Question
mr. perkins, i have a masters400 day clock & a komo 400 dayclock, i have the twillinger book  and i can,t find the soulition in it. iset up both clocks with the same pendelum both kept good time. then i got a pendelum from ebay, looks almost like the pendelum i had, but no matter which clock i put it on, with it turned all the way to a/ or fast it still looses about 1/2 hour in 24 hours,got any ideas? thanks chuck36imy

Answer
You must use the book as your guide to proper pendulum procedure.  Here is how to go about it.  1st:  identify the clock movement by using the backplate illustrations.  2nd:  after identity is achieved, the plate illustration will tell you the precise spring suspension spring requirement.  This step is crucial.  3rd:  using the suspension spring requirement order the required unit from a clock materials supply house.  EXAMPLES; Merritt's Antiques, TimeSavers or Ronell Clocks.  All these firms have on-line catalogs from which you can select your requirements.  You will find the counter staff, at either of these firms to be most helpful.  Terwilliger's book is the absolute bible for repairing 400 day clocks.  Use it and trust it.  Regards WJP