Monthly Archives: September 2014

All clocks must have maximum power transfer to the pendulum or they will not run dependably. This means they must be in beat. What does this mean? Some call this “setting the balance”. Try to imagine the pendulum and verge … Continue reading →

Clock Repair Archive – – To put a hole in a suspension spring: use a sharp punch with an aluminum block on the bottom of the spring. Strike the suspension spring using the punch and a small hammer. The punch … Continue reading →

Clock Repair Archive – –      Regulation on the Seth Thomas 124:turn the regulator to the left for slower and turn the regulator to the right to make the clock run faster. 1 turn = 2 1/2 minutes per … Continue reading →

Clock Repair Archive – – The sonora chime by Seth Thomas that has dual chimes (whittington and westminster ) has 2 small dials about 1 inch in diameter on the top of the face. One of them is for the … Continue reading →

Clock Repair Archive – –    The seth thomas a-200 movement strike mainspring is .018in strong by .682in wide ; and the time mainspring is .014 in strong by . 682 in wide and both 96 inches long. This is … Continue reading →

Clock Repair Archive – –      The Seth Thomas 115d is a ships strike round mechanism. It uses a non – imported balance wheel unit. It uses a cam on the idler gear connected to the minute wheel to … Continue reading →

Clock Repair Archive – –     The sessions westminster chime mechanism with only 2 mainsprings can be recognized by the silver colored large hammer lift assembly on the back plate that is quite obvious when you open the back door. … Continue reading →

Clock Repair Archive – –    The pendulum length is 6.5 inches from regulator tab to the bottom of the pendulum bob plus 3/8 inch travel on the regulator ( the total effective length when the clock is keeping time … Continue reading →

Clock Repair Archive – –      SAW CLOCK (RACK CLOCK) The saw clock has a face and case that slide down the saw or rack as it runs. The case is very heavy and is made of cast metal. … Continue reading →

Clock Repair Archive – – Repivoting skills are a must. The only way to become proficient at this is practice; lots of practice. Accuracy to within +- .0005in. is absolutely necessary if repivoting jobs in clock repair are to be … Continue reading →