John Deere 6620, 7720, and 8820 Header Repair - Technical Manual
Product Description
This is the "Header Repair" section from the 6620, 6620 SideHill, 7720, and 8820 technical manual. Covers cutting platforms, 40 series corn heads, and 50 and 50A series row-crop heads.
Table of Contents
SPECIFICATIONS AND SPECIAL TOOLS
CUTTING PLATFORMS
- Auger
- General Information
- Removal
- Inspection and Repair
- Installation
- Auger Shafts, Cranks, and Fingers
- Auger Drive
- Guards and Knives
- General Information
- Removal and Installation
- Knife Drive Arm Clamp Adjustment
- Knife Register
- Guard Alignment
- Knife Clip Adjustment
- Wearing Plate Adjustment
- Cutterbar Drive Case
- Cutterbar Drive
- Left Hand Stabilizer Socket (Flex Platform Only)
- Pickup Reel
GROUP 10-40 SERIES CORN HEADS
- Auger
- General Information
- Removal
- Assembly and Installation
- Row Unit Frame, Gatherer Chains,
- Trash Knives, and Deck Plates
- Removal
- Inspection and Repair
- Assembly and Installation
- Adjustments
- Stalk Rolls
- Gear Case
- General Information
- Diagnosing Malfunctions
- Removal
- Disassembly
- Inspection
- Replacing Bearings and Bushings
- Assembly
- installation
- Barrel Assembly and Stalk Roll Shafts
- Disassembly
- Installation
GROUP 15-50 AND 50A SERIES ROW-CROP HEADS
- Auger
- General Information
- Removal
- Inspection and Repair
- Installation
- Auger Shafts, Cranks, and Fingers
- Row Unit Drives
- Gathering Belts
- Removal and Repair
- Installation
- Rotary and Stationary Knives
- Replacing Rotary Knife Sections
- Straightening Rotary Knife Sections
- Adjusting Rotary Knives
Manual Details
Pages: 70
Years and Serial Numbers: Covers all years and serial numbers
Models: 6620, SideHill 6620, 7720 , and 8820
Make: John Deere
Manual Code: TM-1202
Manual Type: Technical Manual, Service Manual
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