JS20, JS30, JS40 John Deere Walk-Behind
Rotary Mower Model - TM1335 Service
Repair Manual
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This manual provides comprehensive service and repair instructions for the John Deere JS20, JS30, and JS40 Walk-Behind Rotary Mower models. It is designed to support effective maintenance and troubleshooting. Manual Specifications
• Manual Type: Service Repair Technical Manual
• Manufacturer: John Deere
• Applicable Models: JS20, JS30, JS40 Walk-Behind Rotary Mowers
• Manual Number: TM1335
System Requirements
• Compatible with PC, laptop, or mobile devices.
• Requires a PDF reader for access.
Content and Features
Maintenance Procedures
• Detailed maintenance schedules for routine servicing.
• Lubrication points and recommended service intervals.
Engine and Fuel System
• Engine diagnostics, servicing, and repair instructions.
• Fuel system maintenance, including filter replacement and calibration.
Transmission and Drive System
• Transmission servicing procedures for smooth operation.
• Drive belt inspection and replacement guidelines.
Cutting Deck and Blades
• Blade sharpening and replacement instructions.
• Cutting deck adjustments for consistent mowing performance.
Electrical System
• Troubleshooting and repair instructions for electrical components.
• Battery and ignition system maintenance.
Technical Specifications
• Exploded diagrams and illustrations for clear guidance.
• Torque values and technical data for precise repairs.