John Deere 6620, SideHill 6620, 7720 and 8820 - COMPLETE Technical Manual

John Deere 6620, SideHill 6620, 7720 and 8820 - COMPLETE Technical Manual


This is the COMPLETE, 1900 page digital technical manual for 6620,  SideHill 6620, 7720, and 8820 John Deere combines.  

This is same manual that John Deere mechanics use when they are working on these combines.  There are 25 sections total covering everything from engine repair to the heating system in the cab.

If your combine is having problems there is a good chance that this manual has the solution.

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John Deere 6620, SideHill 6620, 7720 and 8820 - COMPLETE Technical Manual
John Deere 6620, SideHill 6620, 7720 and 8820 - COMPLETE Technical Manual
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  • Table of Contents

  • Manual Details

  • How FMF Works

  • Printing Tips

Below are the 25 sections of this technical manual.  You can purchase the entire manual for $99.99 or just buy a couple sections.  To find out more about a section click on the links below.

  1. General
  2. Engine Repair
  3. Fuel and Air Repair
  4. Electrical Repair
  5. Power Train Repair
  6. Steering and Brakes Repair
  7. Hydraulic Repair
  8. Separator Shell
  9. Operator Station Repair
  10. Header Repair
  11. Feeder House Repair
  12. Separator Repair
  13. Grain Tank Unloading System Repair
  14. Major Drives Repair
  15. SideHill Leveling System Repair
  16. Automatic Header Height Control Repair
  17. Engine Operation and Tests
  18. Fuel/Air Operation and Tests
  19. Electrical Operation and Tests
  20. Power Train Operation and Tests
  21. Steering/Brakes Operation and Tests
  22. Hydraulic Operation and Tests
  23. Operator Station Operation and Tests
  24. SideHill Leveling System Operations and Tests
  25. Automatic Header Height Control Operation and Tests

1900 Pages
6620, SideHill 6620, 7720 , and 8820
John Deere
Last Revision 1985, also contains revisions from 1984, 1983, 1982, 1981, 1980, 1979, and 1978
Manual Code:
TM-1202, TM1202
Manual Type:
Technical Manual, Service Manual

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Printing manuals yourself is an easy way to save time and money. You save time because you no longer have to wait for the manual to arrive in the mail and you save money by not having to pay for shipping or purchase a new manual if your current manual gets destroyed.

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These days you can print things of just about anywhere.

The first place you might want to try is your local library. These days most local libraries have printers that can be used by anyone with a library card. Usually they charge anywhere from 1¢ to 10¢ per page.

You can also see if there are any local print shops like FedEx Kinko’s (currently called FedEx Office) or a locally owned print shop.  If you don’t know if you have a print shop nearby try looking in your local phone book under “Copying & Duplicating Services” or“Print Shop.”  You can also do a local Google map search for “Print Shop”.

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The first thing you need to decide is if you want to print the whole manual out or just the pages you need.  It’s a lot easier to print just the pages you need, and you can always go back to print more.

Printing Just the Pages You Need

  1. Have the manual opened in your PDF viewing program.
  2. Go to File -> Print...
  3. Find the “Print Range” box
  4. Change the selection circle from “All” to “Pages “
  5. Type in the pages you want to print
  6. Press the "OK" or "Print" button

Print the Entire Manual

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Holding your manual together

Keeping good care of your printed manuals is not all that important since you can always print a new copy, but some people like to protect their pages by putting some sort of binding on them.  You can be as fancy or as crude as you want to be.  Below are some of the more popular page binding techniques:

  • Unbounded/ No Binding – Be careful of pages flying away in the wind.
  • Stapling – Keeps pages in order and all in one place.
  • 3-Ring Binder – Offers some protection from water and oil.  Easy to add or take out pages.
  • Screw Posts - Often found in large technical manuals, screw posts offer the ability to add or take out pages and is more compact than a 3-ring binder.
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