John Deere 425, 445 and 455 Lawn and Garden Tractors Technical Manual (TM1517)

John Deere 425, 445, and 455 Lawn and Garden Tractors Technical Manual (TM1517 Sep99)

This comprehensive technical manual provides in-depth service and maintenance procedures for the John Deere 425, 445, and 455 Lawn and Garden Tractors. Covering detailed troubleshooting, system diagnostics, engine repairs, electrical schematics, and hydraulic maintenance, this manual is essential for technicians and equipment owners seeking to maintain peak performance.

Model Covers:

John Deere 425, 445, and 455 Lawn and Garden Tractors

File Format: PDF

Size: 67.44 MB

No. of pages: 955

Language: English

Delivery Method: Instant Download – Get access immediately after purchase.

📑 Table of Contents Overview:

General Information and Specifications

• Vehicle specifications, torque values, and serial number locations
• Gasoline and diesel engine specifications
• Powertrain, steering, braking, and hydraulic system details

Engine System (FD620D, K Series, and Diesel)

• Engine component locations and operational theories
• Cooling system, lubrication system, and fuel injection operations
• Carburetor and throttle body maintenance
• Engine troubleshooting, diagnosis, and performance tests
• Step-by-step removal and installation procedures

Electrical System and Wiring

• Component locations and wiring schematics
• Starter motor, ignition system, and alternator repairs
• Battery maintenance and troubleshooting electrical faults
• Fuse panel layouts, control module tests, and lighting system repairs

Hydrostatic Powertrain and Transmission

• Hydrostatic transmission functionality and repair
• PTO engagement adjustments and linkage diagnostics
• Differential lock service and transaxle disassembly
• Hydraulic drive system inspection and troubleshooting

Steering and Braking Systems

• Power steering system diagnostics and hydraulic cylinder testing
• Toe-in adjustment procedures for precise steering
• Brake linkage adjustments and service brake valve repairs
• Hydraulic pressure relief valve service

Hydraulic System and Control Valves

• Hydraulic system theory of operation and schematic analysis
• Control valve service, adjustments, and leak detection
• Hydraulic oil warm-up procedures and system flushing

Frame, Body, and Operator's Station

• Seat and suspension adjustments
• Cab enclosure, panel removals, and storage compartments
• Floor mat, windshield wiper, and sun visor replacements

Troubleshooting and Diagnostics

• Engine misfires, starting issues, and fuel pressure diagnostics
• Transmission slipping, hydraulic leaks, and linkage problems
• Electrical failures, battery charging issues, and sensor malfunctions

This John Deere 425, 445, and 455 Lawn and Garden Tractors Technical Manual is an essential tool for performing accurate repairs, ensuring proper maintenance, and troubleshooting complex system issues to keep your equipment running smoothly.