Description
John Deere 4720 Service Manual is a technical service and repair manual for the John Deere 4720 forage harvester. It provides structured workshop information for servicing, diagnosing, testing, adjusting and repairing the machine’s driveline, hydraulic, electrical, cutterhead and related harvesting systems.
This English-language digital PDF follows the machine by technical section and component group, making it useful for maintenance technicians, agricultural engineers and owners carrying out repair work on the John Deere 4720. Coverage includes safety information, specifications, lubrication, fault diagnosis, hydraulic tests, electrical diagnosis, cutterhead servicing and adjustment-related procedures.
WHAT THIS MANUAL CONTAINS
- General information – safety procedures, machine specifications, lubrication information and diagnosing malfunctions.
- Safety – safety information provided in Section 10, Group 05 for working on and servicing the forage harvester.
- Specifications – technical specifications and reference information in Section 10, Group 10.
- Lubrication – lubrication coverage and service information in Section 10, Group 15.
- Diagnosing malfunctions – fault-diagnosis information in Section 10, Group 20.
- Tractor driveline – driveline service coverage in Section 20, Group 05.
- Reverse drive gear case – repair and service information for the reverse drive gear case in Section 20, Group 10.
- Tongue – tongue-related service information in Section 20, Group 15.
- Rear universal drive – rear universal drive coverage in Section 20, Group 20.
- Bevel gear case – bevel gear case servicing in Section 20, Group 25.
- Feed roll drive gear case – feed roll drive gear case information in Section 20, Group 30.
- Drivetrain troubleshooting – troubleshooting information for the drive train in Section 20, Group 35.
- Hydraulic diagnosis and testing – general hydraulic information, diagnosis and tests in Section 30, Group 05.
- Electrohydraulic valves – service and technical coverage for the electrohydraulic valves in Section 30, Group 10.
- Tongue positioning cylinder – hydraulic cylinder information for tongue positioning in Section 30, Group 15.
- Feed roll shift cylinders – service information for the feed roll shift cylinders in Section 30, Group 20.
- Cutterhead lift cylinders – coverage of the cutterhead lift cylinders in Section 30, Group 25.
- Spout cap cylinders – service information for the spout cap cylinders in Section 30, Group 30.
- Spout control motor – hydraulic spout control motor information in Section 30, Group 35.
- Wiring harness – electrical wiring harness information in Section 40, Group 05.
- Electrical diagnosis and tests – electrical fault diagnosis and testing procedures in Section 40, Group 10.
- Electrical adjustments – electrical adjustment information in Section 40, Group 15.
- Metal detector – metal detector system coverage in Section 40, Group 20.
- Feed rolls – feed roll service information within the cutterhead assembly section.
- Stationary knife – stationary knife information in Section 50, Group 10.
- Cutterhead – cutterhead assembly service coverage in Section 50, Group 15.
- Knife sharpener – knife sharpener information in Section 50, Group 20.
- Cutterhead troubleshooting – troubleshooting information for the cutterhead assembly in Section 50, Group 25.
- Auger – auger service information in Section 60, Group 05.
- Fan – fan-related service coverage in Section 60, Group 10.
- Spout liner – spout liner information in Section 60, Group 15.
- Wheel bearings – wheel bearing service information in Section 60, Group 20.
MODELS COVERED
John Deere 4720 forage harvester.
MANUAL DETAILS
Manufacturer: John Deere
Model: 4720
Machine Type: Forage Harvester
Manual Type: Service Technical Manual
Publication / Manual Number: TM1312
Format: Digital PDF
Language: English
The John Deere 4720 Service Manual is arranged for practical reference, with dedicated sections for the driveline, hydraulics, electrical systems, metal detector, cutterhead assembly and miscellaneous machine components. The technical group layout helps users move from general diagnosis to the relevant component or system when planning maintenance or investigating a fault.
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.
WHY BUY FROM AGRIMANUAL?
- Established in 1995 supplying technical manuals
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