Contents
Atmos Clocks 8
How to place & Start an Atmos Clock. 12
Setting the Time. 13
Moving or Transporting an Atmos. 14
Identify an Amos Model or Caliber 17
Buying an Atmos. 20
The Clock Keeps Stopping. 22
Servicing the 519, 526 and 528. 23
Service Sequence. 24
1. Locking the Balance. 25
2. Removing the Case. 27
3. Remove Hands & Dial 29
5. The Bellows. 33
Bellows In depth Discussion. 42
Filling the Bellows with Ethyl Chloride. 46
6. The Clock Movement 49
7. The Mainspring. 63
8. Re-Assembly. 68
9. Final Assembly. 71
10. Regulation. 75
11. Lubrication. 80
12. Replacing the Suspension Spring. 83
Prepositioning the Regulator Clamp. 91
Poising the Balance. 91
Putting the Balance in Beat 98
Servicing the 540. 100
The Bellows. 101
The Movement 102
The Mainspring. 108
Replacing the Suspension Spring. 110
Prepositioning the Regulator Clamp. 119
Poising the Balance. 119
Putting the Balance in Beat 126
Putting the Balance in Beat 128
Poising the Pallet Fork and Arbor 129
Fixing the Back Spring. 130
Adjusting the Pallet and Fork. 131
Timing the Clock. 131
Problems you Might Encounter 133
Model 562 with Calendar and Lunar Phases 135
Re-Gold Plating the Case. 138
Troubleshooting. 139
Manual Winding and Unwinding. 145
Replacing a Broken Pivot 147
Atmos Owners Handbook. 150
Jaeger-LeCoultre Repair Notes 163
Atmos Clock History. 181
Atmos Clock Repairers 189
SECTION TWO.. 190
Tools 191
Clock ‘Fun’damentals 198
The Diagram.. 199
Cleaning the Parts 201
Pegging. 205
Escapement Theory. 206
Diagnosis 209
Making Repairs 210
Pivot Polishing. 211
Straightening Bent Pivots & Arbors 219
Replacing a Broken or Worn Out Pivot 220
Bushing Using Hand Tools 225
Using the Bushing Machine. 230
Repairing a Broken Tooth. 234
Repairing Bent Escape Wheel Teeth. 241
Broken Mainspring Arbor Hook. 243
Motion Work. 244
The Work Area. 245
Going Electronic. 246
The Lathe. 247
Clock Marts 252
Lessons Learned. 253
Conclusion. 254
Clock and Watch Associations 255
Clock Supply Houses 255
Horological Tool Suppliers 256