4990 John Deere Self-Propelled Hay and Forage Windrower - tm1820 Operation and Test Service Manual
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The 4990 John Deere Self-Propelled Hay and Forage Windrower - TM1820 Operation and Test Service Manual is a detailed guide designed for technicians and operators who need to maintain, troubleshoot, and repair the John Deere 4990 Self-Propelled Hay and Forage Windrower. This comprehensive manual provides essential instructions for the operation, testing,
and servicing of key systems, ensuring that your windrower continues to perform at its best in the field.
Manual Specifications:
• Document Type: Operation & Test Service Manual
• File Format: PDF
• Language: English
• Printable: Yes, with unrestricted printing capabilities
• Delivery: Instant Download
System Requirements:
• Software Required: Adobe PDF Reader or compatible PDF viewer
• Device Compatibility: Windows, Mac, iOS, Android
Content and Features:
1.Maintenance Procedures:
o Detailed maintenance schedules, fluid specifications, and replacement intervals
o Step-by-step procedures for inspecting, adjusting, and replacing key components
2.Engine and Powertrain:
o Comprehensive engine diagnostics, performance checks, and emission control procedures
o Powertrain maintenance, including drivetrain, transmission, and final drive service
3.Hydraulic System:
o Hydraulic system layout, pressure settings, and troubleshooting procedures
o Maintenance guidelines for pumps, valves, hoses, and fluid replacement
4.Mowing and Cutting Components:
o Instructions for servicing the mower deck, cutterbar, and conditioning system
o Step-by-step procedures for blade inspection, adjustment, and replacement
5.Electrical System:
o Wiring diagrams, fuse locations, and troubleshooting electrical issues
o Sensor and switch diagnostics for proper electrical system operation
6.Structural and Mechanical Components:
o Maintenance and repair of the windrower’s frame, axles, and undercarriage
o Wear checks and adjustments for optimal operation and longevity
7.Illustrations and Diagrams:
o Labeled diagrams and exploded views of major components
o Clear visual aids to guide technicians through repair and diagnostic tasks
8.User-Friendly Navigation:
o Searchable Text: Quickly locate specific procedures and instructions
o Bookmarks: Easy access to key sections and topics
o Cross-references: Hyperlinked sections for related content and additional details
Technical Specifications Covered:
• Engine Details: Specifications for fuel, oil types, and recommended maintenance intervals
• Hydraulic System: Pressure settings, capacity specifications, and component troubleshooting
• Mowing System: Cutting deck, conditioner, and cutting system maintenance
• Electrical System: Wiring diagrams, fuse and sensor details, and electrical diagnostics
The TM1820 Operation and Test Service Manual is a vital tool for anyone responsible for maintaining or repairing the 4990 John Deere Self-Propelled Hay and Forage Windrower. By following the comprehensive instructions and using the detailed diagrams, technicians can ensure the machine remains in top condition, minimizing downtime and enhancing productivity in the field.