The spring also came with a paper with a URL for a Youtube on how to properly install and adjust the spring to have the right "beat" to keep accurate time. 00. the piece that the pendulum swings on was broken. The A3 size is for grandfather clock units with a larger pendulum bob diameter. Of course, it is most likely the one by default. It has to come right off the back of the clockworks. Shop Howard Miller Official Website online. If a spare spring is ordered it would be a good idea. The top hook is the very top of the pendulum that will enable the pendulum to hang on the leader. A1 = Mantle Clock 5/8 x 5/16, A2 = Wall / Floor Clock 13/16 x 5/16, A3 = Large Floor Clock 1in x 7/16, A4 = Large Floor Clock 1 1/4 x 11/16. $15.10 $ 15. There was a problem adding this item to Cart. Walnut Hollow Pendulum Clock Movement for 3/4-inch Surfaces, Large, Walnut Hollow Pendulum Clock Movement for 3/4-inch Surfaces, Small, Pendulum Clock Movement Replacement Long Shaft Pendulum Quartz Clock Movement Mechanism (Shaft Length 4/5 Inch/ 20 mm). Hi If that one is a wood stick pendulum, the top hook removed and cut off 1 1/2 inches from the stick, put the top hook back on. FREE Shipping. It is attached at the bottom with a piece of threaded brass by a knob below the round weight. The movement will take either this one https://www.clockworks.com/product/mechanical-clock-suspension-spring or this one https://www.clockworks.com/product/urgos-clock-pendulum-suspension, Depending on the leader (pendulum hanger), Many Thanks ! What is the required mount style for the pendulum to hang on the clock? In this example, we see that it is a Urgos. I figured it was worth $8 to see if this would incur less friction. These movements are commonly found in Howard Miller, Ridgeway, Sligh, Emporer, Pearl, and Trend grandfather clocks. My wife and I live with our son and fami… More About GarthKH » A DIY repair to the suspension spring of a vintage / antique wall clock. Clock Pendulum Parts for the mechanical clock pendulum assembly are offered on this webpage, such as bobs and suspension springs. It was a little thicker than the original on the Hermle 77 clock. After installing the suspension spring, it may be necessary to set your clock back in beat. It is possible to shorten or lengthen the pendulum leader to put the clock in time range with some solder if needed. Generally speaking, let's say that the movement has no CM stamp on the movement and only shows the Urgos number UW32319. Suspension A1 is for mantle clocks, A2 for wall and grandmother units. Often enough a clock will either run too fast or too slow. This CM length is the pendulum length from the top of the movement all the way down to the bottom of the pendulum. It is a unique spring design that only fits clocks with mechanisms by Urgos, made mostly during the 1980s, including clocks by Howard Miller; Ridgeway; Ethan Allen; Sligh; Trend; New England … Likewise, if the clock is running fast then turn the rating nut to lower the pendulum bob. 4.4 out of 5 stars 95. A longer pendulum makes the clock run slower. 4.6 out of 5 stars 71. Take a look at your clock mechanism. $14.99 $ 14. This knob is what adjusts the clock speed. (Uneven sounding TICK-TOCK). What do you recommend? Thanks, Please order suspension spring A2 if you have a pendulum bob less then 8.5 inches wide, this is the round disk at the bottom of the pendulum, Please order suspension spring A3 if you have a pendulum bob is 8.5 inches wide or larger, from this link, https://www.clockworks.com/product/clock-pendulum-suspension-spring, I need a suspension spring adjustment screw, I have a Howard/Miller grandfather clock in which I installed new inner workings on it but now it either runs too fast or too slow The original leader 4 1/8 inches long and with the dial turned all the down it still ran too fast, And with the leader that came with the kit that I bought from your company (UW32316) at 5inches or slightly longer, and the nut is turned all the way up the clock runs too slow.