Fast slow dial on mantel clock. Moving the regulator towards S,R,- will make the clock lose. Many clocks have a smaller arbour used for adjusting the speed of your clock and will have “S” and “F” (Slow/Fast) inscribed on the dial generally near the 12 o’clock position. I recently had it "repaired" by a clocksmith who said that he fixed it and it was running right. Mantel Clock Speed Adjustment Mechanical clocks are very reliable but will always need a mechanism to regulate the speed of the clock. Mantle clocks which don't have a pendulum will usually have a platform escapement. Jul 30, 2013 · I'm "restoring" this old Gilbert clock and the paper dial is missing so I don't know which way is fast and which way is slow; could someone let me know which way is which? Thanks Cole May 18, 2006 · The thumbwheel coming out of the front of the dial is the rate adjuster. This increases pendulum length, reducing speed. movement. The adjustment nut should be turned one complete revolution for each half minute fast or slow per day (24 . The strike synchronization instructions apply to count wheel Feb 21, 2011 · It is a pretty clock. oyw lbd ag72b e8axt zio t8bfmw xexi 0o aydm hsv7c