Keller Pratt & Whitney Type BG-21 Milling Machine Instruction Manual Year (1953)

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Keller Pratt & Whitney Type BG-21 Milling Machine Instruction Manual Year (1953)       

This Manual Covers Models:
Type BG-21
This Manual Includes:
Description
Installation
Lubrication
Lubrication Frequency Chart
Diagram of Lincoln Centro-oiler Pump and Injectors
Lubrication of Column Base Slide-Diagram
Lubrication of Cutter Spindle Head –Diagram
Lubrications of Vertical Slide –Diagram
Lubrication of Spindle Drive Gear Box
Maintenance
Cleaning Drive Magnet Armatures
function and Adjustment of Time Delay Relay (Ward Leonard)
Electrical Operation
Operating the Machine
List of illustrations- Parts I, II, IIIThis Manual Has 123 Printed Pages.
Year October 1953