#Big ben moonbeam clock full
#Big ben moonbeam clock free

I use KWM brand bushings for the small sizes such as #59, #5 and #6. I recommend 'American System' bushings in KWM sizes (available from the major clock parts suppliers), for the larger bushings such as #13, #21 and #26. Use KWM sized bushings, DON'T use Bergeon bushings! Bergeon bushings require a large hole to be reamed, and it looks bad. Sometimes the oil in the balance screws turned rusty, and I think it was because there was too much endshake, causing the point on the staff to revolve in the less well finished part of the screw, abrading the point.

#Big ben moonbeam clock free

Adjust the balance endshake so it is very small (just enough freedom so the balance is free when the movement is in the case).

(Another cause of an erratic rate can be a slightly loose center friction.) Rust on hairspring – replace if necessary.

Center the hairspring in regulator slot when balance is at rest.

Don't leave balance pivots too sharp or they will cut into the end screws.

5W-40 synthetic motor oil on balance pivots.

Synta-Visco-Lube (thick synthetic watch oil) on T5 pivots, escape wheel teeth (a dot onģ teeth), impulse pin (small dot on each side).

Pivots (pivots in plates and linkages), alarm escape wheel teeth, repeat lever pivots and where tension springīears on repeat lever, center of alarm trip wheel, washer on trip staff inside back plate (makes it so it won'tįall out in handling if trip staff is removed), clicks (under rivet head, underneath, and where click spring bears

5W-40 Synthetic Motor Oil: T4 pivots, alarm verge.

10W-60 synthetic motor oil on T1, T2, T3, A1, alarm escape wheel pivots.

Grease ratchet wheels, trip cam, and where trip spring pushes repeat lever.10W-60 synthetic motor oil on mainsprings.Oiling Locations for Big Ben Style 1, 1a, 2 and Loud Alarm Movement:

#Big ben moonbeam clock full

5W-40: Mobile 1 5W-40 Turbo Diesel Truck?Advanced Full Synthetic Motor Oil.10W-60: Castrol Edge TWS European Formula full synthetic 10W-60 motor oil.(References Stephen Nelson and Ken Reindel). My experience, and that of others has show that synthetic motor oil works extremely well for clocks. There has been controversy about using synthetic motor oil for clocks. The center wheel pivots usually need to be put in a lathe and smoothed with a pivot file, then polished or burnished. Cleaning PivotsĪfter disassembly and cleaning the movement, use a narrow strip of crocus cloth to clean each of the wire pivots (fold the strip around the pivot and rotate the pivot by hand). (which is the center wheel in a Big Ben or Baby Ben). For example, T2F refers to the front pivot of the second wheel in the time train F and B refer to front or back, and T and A refer I number wheels starting at the main wheel. Ammoniated cleaners tend to eat away the hairspring material, changing For the names of some excellent clock repair books, see the recommended reading page.ĭon't use ammonia based cleaner on hairsprings. This page gives some hints about Big Ben and Baby Ben alarm clock repair. Westclox Other Repair Repair Tips Westclox Big Ben and Baby Ben Repair Tips