Description
John Deere 6620 7720 8820 Operators Manual is the operator’s and maintenance manual for the John Deere 6620, SideHill 6620, 7720 and 8820 combine harvesters. It provides practical information for safe operation, daily checks, machine adjustment, routine servicing, troubleshooting and correct use of the combine’s harvesting, drive, hydraulic, electrical and monitoring systems.
This 348-page digital manual is identified by publication number OMH120048. It is intended to help operators understand the controls and operating procedures while also providing maintenance and system information for keeping these John Deere combines in reliable working condition. Coverage includes the operator’s station, engine operation, harvesting systems, unloading equipment, side-hill levelling equipment and machine storage.
WHAT THIS MANUAL CONTAINS
- Safety – important operating safety instructions and precautions for working around the combine and its systems.
- Safety Decal and Reflector Location – locations of safety decals and reflectors fitted to the machine.
- Operator’s Station – operator controls, instruments and the main information available from the driving and operating position.
- Engine Break-in – guidance for operating the engine during the initial break-in period.
- Prestarting Checks – checks to complete before starting and operating the combine.
- Operating the Engine – engine starting, operation and related operating guidance.
- Driving the Combine – procedures and information for moving and operating the combine in the field.
- Transporting – preparation and operating guidance for transporting the machine.
- Lighting and Signals – lighting equipment, signals and related operating information.
- Fuels and Lubricants – fuel and lubricant information required for operation and servicing.
- Lubrication and Maintenance – routine lubrication points, maintenance requirements and servicing guidance.
- Fundamentals of Combine Harvesting – essential harvesting principles and operating information for achieving effective combine performance.
- Headers – header operation and use with the combine harvesting system.
- Feeder House – feeder house operation and its role in transferring crop into the machine.
- Separator – separator operation and information relating to the separation process.
- Grain Tank and Unloading Auger – grain tank use and unloading auger operation.
- Engine Service – service information for the combine engine.
- Electrical System – electrical system information for operating and maintaining the machine.
- Monitors – monitor functions and information supplied to the operator during machine operation.
- Hydraulic System – hydraulic system operation and maintenance information.
- Side Hill Levelling System – information for the side-hill levelling equipment fitted to the SideHill combine configuration.
- Power Train – power train operation and associated maintenance information.
- Air Conditioning and Heater – operation and service-related information for the operator comfort system.
- Troubleshooting – fault-finding guidance for resolving operating and system problems.
- Storage – procedures for preparing and protecting the combine during storage.
- Crime Prevention – recommended measures for helping protect the machine against theft or unauthorised use.
- Specifications – technical specifications and operating reference information.
- Index – alphabetical reference to subjects covered throughout the manual.
MODELS COVERED
- John Deere 6620 Combine
- John Deere SideHill 6620 Combine
- John Deere 7720 Combine
- John Deere 8820 Combine
MANUAL DETAILS
Manufacturer: John Deere
Machine Type: Combine Harvester
Manual Type: Operator’s Manual
Publication Number: OMH120048
Page Count: 348 pages
Format: Digital PDF
Language: English
Use the John Deere 6620 7720 8820 Operators Manual for guidance on safe machine operation, pre-start preparation, harvesting adjustments, routine maintenance and system troubleshooting. The contents cover both standard combine operation and the additional side-hill levelling information associated with the SideHill 6620 model.
WHAT HAPPENS AFTER PURCHASE?
After purchase you will instantly receive our download information file by email. Your manual will then be manually checked and sent to the email address used during checkout, usually within minutes and normally within 1 hour.
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