Lees Bradner (Lees-Bradner) an (Red Ring) 7HD Gear Hobber Operation and Parts Manual


Lees Bradner Red Ring



Machine types: 

Gear Machine


  • Operators Manual
  • Maintenance Manual
  • Parts Manual
  • Electrical Diagrams
  • Technical Drawings

Operation, Maintenance and Parts manual for the Less Bradner  7HD single spindle gear hobbing machine. The operation and maintenance manual includes sections on:

  • Lubrication
  • Wiring
  • Installation
  • Operation
  • Hob Centering
  • In-Out Unit
  • Headstock Adjustments
  • Calculation of the Lead of Helical Gears
  • Formula for
    • Main Drive Shaft
    • Index Worm
    • Hob RPM
    • Work Spindle Speeds
    • The parts manual consists of numerous labelled sectional drawings of each assembly.

All manuals are scanned at high resolution and supplied as a top-quality print, bound and on a superior 129g paper.

Unless otherwise stated, all manuals are in English. We ship world-wide to all destinations.

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