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Timex 40 User Manual

Timex 40
15 pages
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TIMEX
model 40
9%
by
12%
lig.
22.1
by
28.70 mm
.870
by
1.130
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Timex 40 Specifications

General IconGeneral
BrandTimex
Model40
CategoryWatch
LanguageEnglish

Summary

TIMEX Model 40 Service Manual

TIMEX Model 40 Movement Overview

Movement Description and Power

Describes the watch movement's basic structure, power source, and key components like the balance and energy cell.

Energy Cell Management

Covers energy cell specifications, replacement, and the mechanism for setting hands and stopping the movement.

Performance and Repairability

Details the movement's hourly beat rate, temperature compensation, regulation, and suitability for conventional repair.

TIMEX Model 40 Movement Exploded View

Component Identification

Provides a numbered list of all components depicted in the movement's exploded view for easy identification.

Disassembly of TIMEX Model 40 Movement

Initial Removal Steps

Explains how to remove the case back and movement cover to gain initial access to the watch movement.

Stem and Crystal Removal

Details the procedure for removing the setting stem and the crystal from the watch movement.

Dial and Hand Removal

Covers the steps for removing the dial assembly and the sweep second hand.

Energy Cell and Shunt Bridge Removal

Explains how to safely remove the energy cell and the shunt bridge from the movement.

Balance and Contact Spring Observation

Provides procedures for observing the interaction between the balance coil, contact spring, and contact pin.

Contact Spring and Pin Handling

Offers guidance on the careful handling and positioning of the contact spring and contact pin.

Balance Bridge and Train Wheel Bridge Removal

Details the process of removing the balance bridge assembly and the train wheel bridge.

Gear Train and Friction Spring

Explains the action of the gear train, impulse pin, and how to handle friction springs.

Balance Stop Mechanism

Illustrates and explains the purely mechanical operation of the balance stop mechanism linked to the crown stem.

Friction Washer and Seconds Wheel

Explains the placement and function of the friction washer between the plate and the seconds wheel.

Cleaning and Lubricating The Timex Electric

Cleaning the Model 40 Movement

Details the recommended method for cleaning the movement, including balance care and particle removal.

Lubricating the Model 40 Movement

Provides instructions for re-lubricating the movement, listing key points and specific oil/grease recommendations.

Reassembly of TIMEX Model 40 Movement

Correct Train Assembly Order

Outlines the correct sequence for reassembling the movement's train components.

Balance Endshake Adjustment

Explains how to adjust the balance endshake using the balance bridge screw.

Hairspring Inspection

Details how to inspect the hairspring for proper contact with the regulator slot.

Dial and Hand Replacement

Provides guidance on pre-positioning hands and securing the dial assembly during reassembly.

TIMEX Model 40 & 41 Reflector Rings

Reflector Ring Types and Compatibility

Describes the evolution of reflector rings (Flat, Serrated, Cup) and their compatibility with dial types.

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