3.2 The Mainspring Barrel | Watch Repair Tutorials

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Journeyman Course

What to Expect from the Journeyman Course

1.1 The Watchmaker's Bench
1.2 Tools-Level 1
1.3 Tools-Level 2
1.4 Safe Work Habits

2.1 The Four Organs
2.2 The Driving Side
2.3 The Controlling Side
2.4 Putting it all together

Lesson 1 original lesson

3.1 The Mainspring
3.2 The Mainspring Barrel
3.3 The Ratchet and Click
3.4 Mainspring Dimensions
3.5 Mainspring Failure Modes
3.6 Mainspring Replacement
3.7 Wheels & Pinions
3.8 Speed and Torque Through the Train
3.9 Train Calculations
3.10 The Motion Train
3.11 Free Running of the Train

4.1 Why Watches Need Oil
4.2 Oil Behavior: Migration, Surface Tension, and Capillary Action
4.3 Epilame: What It Is, Where It Goes, and Why
4.4 The Lubrication Map
4.5 Oiler Technique: Charge Size and Correct Application
4.6 Endstones and Hidden Pivots
4.7 Pallet Stone Lubrication
4.8 Boundary Friction: Using grease
4.9 Understanding Pivots

5.1 Screw Types
5.2 Timing Machine Basics
5.2 Introduction to the ST36

Test on Parts Functions ST36

5.3 Diagnosis, Repair, and Servicing Part 1
5.4 Diagnosis, Repair, and Servicing Part 2

6.1 Cases

6.2 Removing Winding Stems
6.3 Replacing Case Tubes
6.4 Fitting Winding Stems
6.5 Replacing O-rings and Gaskets
6.6 Watch Crystals

Watch Crystal Quiz

6.7 Bezel Service
6.8 Removing Broken Stems
6.9 Water Protection

Water Protection Quiz

6.10 Watch Hands

Watch Hand Quiz

6.11 Watch Dials

7.1 What Causes Rate Gain and Loss
7.2 Regulating EtaChron
7.3 More Regulation
7.4 Dynamic Poising
7.5 Timing Machines Basics
7.6 Analyzing Timing Machine Data

7.7 Analyzing Timing Data

7.8 Finding Low Amplitude Faults

8.1 Understanding How Quartz Movements Work
8.2 The Power Cell
8.3 Servicing a Quartz Movement
8.4 Troubleshooting and Testing

9.1 Terminology

10.1 Escapement Inspection Part 1

6 Step Escapement Quiz- Part 1

10.2 Escapement Inspection Part 2

10.3 Pallet Stones
10.4 Pallet Stones
10.5 Adjusting Banking Pins

Truing Hairsprings in the Round
Truing Hairsprings in the Flat

Tightening a Loose Roller Table
Removing Roller Tables
Installing Hairspring Collets
Replacing a Balance Staff
Broach Preperation
Closing Holes In Plates & Bridges
Closing Mainspring Barrel Holes
Closing Hands
Closing Cannon Pinions

1. Non Shock Protected Jewels

2. Shock Protected Jewels
3. Friction Fit Jewels
4. Advanced Jeweling Techniques

Excessive Winding Tension in a Rolex 2030
Balance Wheel Stops

3.2 The Mainspring Barrel

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