Just finished repairing a schatz 1000 day clock, rectangular variety. Build date is 9/1956. New escape wheel, new 5th wheel. The rest were cleaned and picots burnished, except two pivots replaced. All bushing holes are in mint condition. My guess is someone let down the mainspring hard as some of the pivots were busted off. Anyway, after complete disassembly, ultrasonic cleaning, etc., burnishing pivots, broaching, pegging, etc, I reassembled. Also has new mainspring and new Horolovar 10B suspension. The jewels are also in mint condition. So, after hanging the torsion pendulum and turning it one full turn, I set the beat to within +\- 2% and let it run. Runs ok for about 15 minutes before the pendulum doesn't travel far enough to engage the escape wheel. The fork has a hair of a gap to avoid binding the palate pin. Nothing seems amiss but it just doesn't seem to be pushing hard enough to keep the pendulum spinning. I oiled only the pivots and a slight wetting of the palette. Nothing on the fork and nothing on the jewels. Ideas? Suggestions? Thanks in advance!