In the FB forum “clockmakers helping clockmakers” we had a story about a Kieninger long-case clock movement with a timing problem. Different theories were posted, some of us found the theorising a little quaint. So, I put in my “penny’s worth” about a suspension spring not being the cause of great timing differences.
INSTRUCTIONS FOR KIENINGER MOVEMENT PF-43 IN WALL CLOCK CASE This applies in general to other makes as well To place the clock onto a wall – a good guide would be for the dial to be
Packing instructions for Kieninger wall – regulator, spring driven. Just a few points to consider. Remove the pendulum by lifting it a few millimeters up and take it out of the pendulum leader ( flat brass part ) Then