John Deere 6620, SideHill 6620, 7720 & 8820 Combines Operator’s Manual OMH111330

Description

John Deere 6620 7720 8820 Operator Manual is an English-language operating and maintenance manual for John Deere 6620, SideHill 6620, 7720 and 8820 combine harvesters. It is intended to help operators understand the machine controls, prepare the combine for work, operate it safely, carry out routine servicing and maintenance, and diagnose common operating problems.

This manual covers the main harvesting systems and supporting machine systems, including the operator’s station, engine operation, driving and transport, headers, feeder house, separator, grain tank and unloading auger. It also includes information for the engine, electrical, monitoring, hydraulic, side-hill levelling, power train, air conditioning and heater systems, together with lubrication, storage, specifications and an index.

WHAT THIS MANUAL CONTAINS

• Safety – essential safety information for operating and servicing the combine, together with safety precautions intended to reduce the risk of injury.
• Safety Decal and Reflector Location – locations and identification of safety decals and reflectors fitted to the machine.
• Operator’s Station – operator-area controls and information needed to understand the combine before starting and using it.
• Engine Break-in – operating guidance for the engine during the break-in period.
• Prestarting Checks – checks to complete before starting work, helping confirm that the combine is prepared for operation.
• Operating the Engine – procedures and guidance for starting, running and stopping the engine during normal use.
• Driving the Combine – operating information for moving and controlling the combine in the field.
• Transporting – instructions and precautions for moving the combine between work areas and during transport.
• Lighting and Signals – use of the combine lighting and signalling equipment.
• Fuels and Lubricants – fuel and lubricant information required for correct operation and servicing.
• Lubrication and Maintenance – routine lubrication points and maintenance operations for keeping the combine in suitable working condition.
• Fundamentals of Combine Harvesting – operating principles and practical guidance for harvesting with the combine.
• Headers – operating information relating to the header equipment used with the combine.
• Feeder House – feeder-house operation and associated maintenance information.
• Separator – separator operation and adjustment-related guidance for the harvesting process.
• Grain Tank and Unloading Auger – grain handling, tank operation and unloading auger use.
• Engine Service – service information for the combine engine system.
• Electrical System – electrical-system information for operation, maintenance and fault investigation.
• Monitors – information on the combine monitoring equipment and its use during operation.
• Hydraulic System – hydraulic-system operation and servicing information.
• Side Hill Leveling System – operation and maintenance information for the SideHill combine levelling system.
• Power Train – information relating to the combine power-train system.
• Air Conditioning and Heater – operation and servicing guidance for the cab air-conditioning and heater equipment.
• Troubleshooting – procedures and reference information for investigating operating problems.
• Storage – preparation and care of the combine when it is placed into storage.
• Specifications – machine specifications and reference data provided for the covered combines.
• Index – alphabetical reference to subjects and information 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
Models Covered: 6620, SideHill 6620, 7720 and 8820 combines
Manual Number: OMH111330
Pages: 300
Format: Digital PDF
Language: English

The John Deere 6620 7720 8820 Operator Manual is arranged as a practical reference for day-to-day combine operation, maintenance planning and system checks. It can be used to review safe working practices, prepare the machine before harvesting, understand the harvesting path from header through feeder house and separator to the grain tank, and consult the relevant system section when maintenance or troubleshooting is required.

WHAT HAPPENS AFTER PURCHASE?

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