Collins 51S-1 manual, reprint.

This is a digitally copied and enhanced manual for the Collins 51S-1/1A/1F/1AF receiver.  It has been copied from an original and is clear, clean, and easy to read.  It is printed on premium 24# paper with heavy covers and bound with a plastic comb.  No more struggling with unreadable photocopies!

It measures 8 1/2" X 11" with about 130 pages and includes thirteen large one piece 11" X 17" fold out schematics/diagrams.  Topics Include:  installation, operation, principles of operation, service instructions, many diagrams/photos, specifications, parts list and schematics.

The foldouts include:
  1. Installation Details
  2. Block Diagram
  3. Gear Train Assembly
  4. 51S-1/1F/1B Schematic Diagram, 1 of 4
  5. 51S-1/1F/1B Schematic Diagram, 2 of 4
  6. 51S-1/1F/1B Schematic Diagram, 3 of 4
  7. 51S-1/1F/1B Schematic Diagram, 4 of 4
  8. 51S-1A/1AF Schematic Diagram, 1 of 4
  9. 51S-1A/1AF Schematic Diagram, 2 of 4
  10. 51S-1A/1AF Schematic Diagram, 3 of 4
  11. 51S-1A/1AF Schematic Diagram, 4 of 4
  12. Turret and RF Section Schematic Diagram, 1 of 2
  13. Turret and RF Section Schematic Diagram, 2 of 2