WORKSHOPS

 How to Service/Repair 30 Hour Regula Two Weight Cuckoo Clock 

One day workshop for 8 students with 3 instructors just 

prior to 2027 FL Mid-Winter Regional.

Class Description: The course will be a full one-day study of the vintage two weight cuckoo clock movement,

including complete takedown and servicing a 30 hour Regula 24 cuckoo movement, study of the routines for

servicing cuckoo movements and more. Each student will learn how to hand polish pivots and hand bush at

least one plate pivot hole as it is required for these movements. Ultrasonic cleaning will not be available;

however, students will be instructed on how to dry polish plates and internal parts. In addition, if time

permits, instructors will cover service and adjustment of the three weight cuckoo clock music box and

potential repairs.

A used 30-hour Regula 24 movement for full breakdown and reassembly and a test stand will be available for

each student. Alternatively, students may bring their own used 30 hour movement and whatever assembly

test stand they might have. Likewise, if students have a bushing machine and/or hand bushing sets, they are

welcome to bring them.

Student tools/materials needed: Magnification, LED battery light, set of jeweler’s screw drivers, tweezers

(nonmagnetic, 3C recommended), small adjustable wrench, clock oiler, mainspring letdown bit 14/16 – don’t

need the handle or set), smooth jaw needle nose pliers, one pair 6”SS hemostat, small brass hammer, and a

clockmaker’s staking set with bench block – if you have.

Lab materials Instructors will provide: KWM brass bushings, 0000 steel wool, shop towels, cutting and

smoothing broaches, wood pegging sticks, cotton swabs, sanding sticks for hand pivot polishing, Weenol brass

polish and various other tooling which may be required.

The class will be taught by Gary Combs, AWCI CC21 and Ron Horton, AWCI CC21 along with Gary Renfro,

expert clock and watch repairman.

Class cost: $350 for NAWCC members; $400 for non-members and includes lunch.

To register for the course, contact Eric Tibbetts at ericsusan5081@att.net or 904-314-8226.