Lee Bradner Type 7A, Hobbing Machine 42 page, Install & Service Manual Year 1959

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Lees Bradner Type 7A Hobbing Machine Installation & Service Manual Year (1953-1959)           

This Manual Covers Models:
7A

This Manual Includes:
Introduction
Shipping, Transit and Handling
Lubrication
Wiring
Preparing for Installation
Working Principle of Machine
Selection of Cut
Setting Up and Operating Machine
Hob Centering
3" Electric Hob Shifter
Hob Head
Standard In-Out Unit and Adjustments
Headstock Adjustments
Oil Pump
Calculation of the Lead of Helical Gears
How to Order Parts
Limitations of Jobbing Machines
Main Drive Shaft
Formulas
This Manual Has 42 Printed Pages.
Year 1953-1959