This is a reproduction, not a photocopy, of an original Brown & Sharpe Model A Turret Drilling Machine Operator's and Parts Manual. This manual contains information on operating instructions, adjustments, lubrication, wiring diagram, and 2 foldouts of parts diagrams.

Index

I INTRODUCTION...................................2
SPECIFICATIONS...................................3
INSTALLATION
Uncrating and Assembling.........................4
Mounting.........................................4
Electrical Connections...........................4
Air Connections..................................4
Initial Lubrication and Maintenance..............4
II OPERATION AND SET UP
Electrical Controls..............................5
Air Controls.....................................5
Head Crank.......................................5
Table Crank......................................5
Feed Lever.......................................5
Turret Indexing..................................6
Spindle Speed....................................6
Depth Stops......................................6
Tapping Chucks...................................7
Set-up Check List................................7
III DISASSEMBLY, REPAIR AND REPLACEMENT 
General..........................................8
Depth Limit Switch...............................8
Feed Lever Reversing Switch......................8
Turret Spindles..................................9
Turret and Air Lock..............................9
Driver Unit.....................................10
Upper and Lower Head............................10
Main Drive Belt.................................10
Main Drive Motor................................11
Air Cylinder....................................11
Tachometer Belt.................................11
Tachometer......................................11
Main Spindle Assembly...........................11
Quill...........................................12
Quill Cable.....................................12
Feed Lever Pinion Shaft.........................12
IV PARTS CATALOG
Head, Upper Column and Turret..............13 & 14
Table, Base, and Lower Column...................15
V PERIODIC MAINTENANCE AND LUBRICATION..........16

Overview:

I have collected this information for many years and have found the information they contain to be priceless in using and setting up the machines properly. I believe this manual will be a valuable resource of knowledge that will provide a lot of helpful information that is often hard to find. My manuals are not photocopies. I maintain a high standard of quality in my reproductions. Most of the manuals I reproduce look better than their originals. I have professionally digitally edited every page, and removed stains, wrinkles and handwriting. All of the manuals are printed on thick white paper to withstand shop wear and tear.