This comprehensive Technical Service Repair Manual is specifically designed for experienced technicians working on John Deere Buck Utility ATVs, covering the 500, 500EX, and 500EXT models. The manual is part of a complete product support program and is meticulously organized to keep all information related to a specific system in one place. It follows a logical structure, beginning with a Table of Contents, Specifications, Component Location, and System Schematic. The manual then delves into the Theory of Operation, Troubleshooting Chart, Diagnostics, Tests & Adjustments, and finally Repair procedures. Depending on the system or section being covered, not all of these groups may be included. Each section is clearly identified with a symbol, and the groups and pages within a section are numbered consecutively. The manual covers a wide range of topics, including: * **Lubricants:** Detailed information on recommended lubricants and their applications. * **Battery:** Covers battery charging, load testing, specifications, and troubleshooting. * **Component Location:** Illustrated guides for identifying components on the 38", 42", and 46" mower decks, dash panel, fuel tank, hydrostatic drive traction system, mower lift linkage, pedal linkage assembly, shift linkage, and steering. * **Cranking & Fuel Shutoff Solenoid:** Circuit operation, diagnostics, and troubleshooting procedures. * **Dash Panel:** Instructions for removal and installation. * **Diagnostics:** Extensive coverage of diagnostics for charging circuits, cranking & fuel shutoff solenoid, gear power train, headlight circuit, and hydrostatic power train. * **Electrical:** General information, specifications, schematics, troubleshooting, and tests for various electrical components. * **Engine:** General specifications, installation, removal, repair procedures, service equipment, and tools needed. * **Front Axle:** Instructions for installation, removal, and repair. * **Front Wheels:** Instructions for removing and installing front wheels. * **Fuel Tank:** Instructions for removing and installing the fuel tank. * **Gasoline:** Specifications and storage recommendations. * **Gear Power Train:** Comprehensive information on brake adjustments, clutch actuating spring, drive belt inspection and installation, ground speeds, input shaft, intermediate shaft, shift linkage, traction drive, transaxle, and troubleshooting. * **General Specifications:** Specifications for battery, chassis, fuel/air system, mower deck drive belt, spark plug, steering, tires, traction drive belt, and wheel & tire. * **Grease:** Information on recommended grease types and applications. * **Hydrostatic Power Train:** Coverage of brake spring adjustment, pedal linkage, shift linkage, diagnostics, drive belt specifications, repair, traction drive belt inspection and installation, shift linkage adjustment, traction drive system tests and adjustments, transaxle assembly and disassembly, and troubleshooting. * **Hydrostatic Transaxle:** Specific details on axle loading, brake components wear tolerance, drive sheave and fan installation and removal, gear ratios, ground speed specifications, housing case halves separation, motor/drive shaft disassembly, pump input shaft assembly, and transaxle components wear tolerance. * **Ignition:** Circuit operation, test points, specifications, and ignition switch removal, installation, and testing. * **Mower Deck:** Information on various mower deck sizes, gage wheel adjustment, installation, leveling, removal, mower drive belt replacement, mower lift linkage, and spindle assembly repair. * **Oil Filters:** Information on oil filters and their role in engine maintenance. * **Rear Wheels:** Instructions for removing and installing rear wheels. * **Serial Number:** Information on engine, gear transaxle, and tractor identification numbers. * **Spark Plug:** Specifications for spark plugs. * **Steering:** Component location, repair procedures, service equipment and tools needed, steering gear removal, and backlash adjustment. * **Starter:** Amp draw test, solenoid test, and specifications. * **Stator:** Specifications for the stator. * **Tests and Adjustments:** Specific tests and adjustments for the hydrostatic power train, mower drive belt tension, spindle brakes, and traction drive system. * **Torque Values:** Metric and unified inch torque values for various components. * **Traction Drive System:** Drive belt inspection, installation, operation, removal, tensioning system, tests and adjustments, and transaxle and shift linkage system operation. * **Transport Valve (Free-Wheel):** Operation of the transport valve. * **Wheels:** Repair procedures for wheels. This manual provides detailed information, step-by-step instructions, and highly detailed exploded diagrams and pictures to guide you through every repair and maintenance task correctly, ensuring you have the same level of expertise as professional mechanics and technicians.

The John Deere Buck Utility ATV 500, available in 500EX and 500EXT configurations, is a robust and versatile machine designed for tackling demanding tasks in various environments. Built on a foundation of durability and reliability, the Buck 500 series aims to provide a powerful and efficient workhorse for professionals and enthusiasts alike. The 500EX and 500EXT models share the same potent 499cc, four-stroke, liquid-cooled engine, delivering impressive torque and horsepower. This engine is coupled with a smooth-shifting automatic transmission, allowing for effortless operation in diverse terrain. The Buck 500 series boasts a maximum payload of 500 pounds and a towing capacity of 1,000 pounds, making it capable of hauling heavy loads and traversing challenging obstacles. Its independent front and rear suspension provides a comfortable ride, while the responsive braking system ensures precise control. Features like a spacious cargo box, rugged front and rear bumpers, and high-ground clearance contribute to the Buck 500's versatility and ruggedness. Whether it's hauling supplies, clearing trails, or navigating rough terrain, the John Deere Buck 500 series is built to withstand the demands of everyday work. The John Deere Buck 500 series is a testament to the brand's dedication to delivering high-quality and practical machines. With its focus on durability, power, and user-friendliness, the Buck 500 series provides a reliable and efficient solution for a range of tasks. The 500EX and 500EXT models cater to different user needs, with the 500EX offering a streamlined design, while the 500EXT incorporates additional features for added functionality. From professionals working on construction sites to hobbyists exploring off-road trails, the John Deere Buck 500 series offers a reliable and capable companion for a wide range of applications.