This comprehensive Gehl 603 Compact Excavator Parts Manual provides detailed information for both experienced mechanics and DIY enthusiasts. It covers all aspects of your Gehl 603 Compact Excavator, ensuring you have the necessary information for proper maintenance and repairs. The manual features easy-to-read text sections complemented by high-quality diagrams and instructions. You'll find step-by-step guidance for every procedure, along with detailed exploded views and diagrams to help you complete each job correctly and efficiently. This manual is a valuable resource, providing you with a complete understanding of your machine's components and their functions. It covers everything from the engine and hydraulic systems to the undercarriage, cab, and accessories. The manual is organized into sections, each dedicated to a specific component or system. It includes detailed information on: * **Introduction:** Provides an overview of the manual's structure and contents. * **Table of Contents:** Lists all sections and their corresponding page numbers for easy navigation. * **Decal Locations:** Shows the placement of all decals and labels on the machine. * **Tools / Service Kits:** Provides information on the required tools and service kits for various repair tasks. * **Filters, Gaskets, and Seals:** Includes details on all filters, gaskets, and seals used in the machine. * **Battery:** Covers the battery specifications, installation, and maintenance. * **Diesel Engine:** Provides detailed information on the engine, including specifications, operation, and maintenance. * **Engine Mounts:** Includes instructions on the installation and removal of engine mounts. * **Cylinder Head & Valve Cover:** Describes the cylinder head and valve cover components, as well as their assembly and disassembly. * **Cylinder Block:** Covers the cylinder block components, including specifications, operation, and maintenance. * **Seal, Crankshaft:** Provides information on the crankshaft seal, including its installation and removal. * **Oil Pan:** Includes instructions on the oil pan, including its removal, cleaning, and re-installation. * **Camshaft:** Covers the camshaft components and their specifications. * **Crankshaft & Piston:** Details the crankshaft and piston components, including their assembly and disassembly. * **Lubrication:** Explains the lubrication system, including oil types, capacities, and maintenance procedures. * **Cooling System:** Provides information on the cooling system, including its operation, maintenance, and troubleshooting. * **Fuel Injection System:** Covers the fuel injection system, including its operation, specifications, and maintenance procedures. * **Intake Manifold:** Explains the intake manifold components and their functions. * **Engine Air Filter:** Provides information on the air filter, including its replacement and cleaning procedures. * **Exhaust System:** Describes the exhaust system components and their specifications. * **Fuel Tank:** Covers the fuel tank, including its specifications, installation, and maintenance. * **Fuel Supply:** Explains the fuel supply system, including its operation and maintenance. * **Auto Idle/Throttle:** Provides information on the auto idle and throttle system. * **Throttle:** Describes the throttle components and their operation. * **Hydraulic Pump Drive:** Covers the hydraulic pump drive system, including its operation and maintenance. * **Oil Cooler:** Explains the oil cooler components and their functions. * **Radiator:** Provides information on the radiator, including its maintenance and cleaning procedures. * **Turntable Drive Unit:** Covers the turntable drive unit, including its specifications, installation, and operation. * **Drive Unit:** Explains the drive unit components and their functions. * **Hydraulic Oil Tank:** Provides information on the hydraulic oil tank, including its capacity and maintenance procedures. * **Hydraulic Pump/External Parts:** Details the external components of the hydraulic pump, including their installation and removal. * **Hydraulic Pump/Internal Parts:** Covers the internal components of the hydraulic pump, including their specifications and maintenance. * **Swivel Joint:** Explains the swivel joint components and their functions. * **Control Valve Fittings:** Includes instructions on the installation and removal of control valve fittings. * **Control Valve Segments:** Provides information on the control valve segments, including their specifications and operation. * **Pilot Pressure Hoses:** Covers the pilot pressure hoses, including their installation and routing. * **Joysticks:** Describes the joysticks, including their operation and troubleshooting. * **Travel Pilot Valve:** Explains the travel pilot valve components and their functions. * **Control Valve For Auxiliary Hydraulics Installation:** Provides instructions on the installation of the control valve for auxiliary hydraulics. * **Control Valve For Auxiliary Hydraulics:** Covers the control valve for auxiliary hydraulics, including its operation and specifications. * **Dozer Blade Valve:** Explains the dozer blade valve components and their functions. * **Proportional Valve (Option):** Provides information on the optional proportional valve, including its specifications and operation. * **4/3 Valve (Option):** Covers the optional 4/3 valve, including its specifications and operation. * **ISO/SAE Valve:** Explains the ISO/SAE valve, including its specifications and operation. * **Reversing Valve:** Describes the reversing valve components and their functions. * **Valve Block:** Covers the valve block components and their functions. * **Distribution Block:** Explains the distribution block components and their functions. * **Boom Cylinder:** Provides information on the boom cylinder, including its specifications, installation, and maintenance. * **Dipper Arm Cylinder:** Covers the dipper arm cylinder, including its specifications, installation, and maintenance. * **Bucket Cylinder:** Explains the bucket cylinder, including its specifications, installation, and maintenance. * **Swivel Cylinder:** Details the swivel cylinder components and their specifications. * **Dozer Blade Cylinder:** Covers the dozer blade cylinder components and their specifications. * **Instrument Panel:** Explains the instrument panel components and their functions. * **Relay Box:** Provides information on the relay box components and their functions. * **Horn:** Covers the horn, including its specifications and installation. * **Radio (Option):** Provides information on the optional radio, including its specifications and installation. * **Boom Work Light:** Explains the boom work light, including its specifications and installation. * **Rotating Beacon (Option):** Provides information on the optional rotating beacon, including its specifications and installation. * **Cab Work Lights, Front (Option):** Covers the optional front cab work lights, including their specifications and installation. * **Cab Work Light, Rear (Option):** Provides information on the optional rear cab work light, including its specifications and installation. * **Wire Harness, Chassis:** Covers the chassis wire harness, including its routing and specifications. * **Wire Harness, Engine:** Provides information on the engine wire harness, including its routing and specifications. * **Wire Harness, Chassis & Engine:** Covers the chassis and engine wire harness, including its routing and specifications. * **Wire Harness, Armrest:** Explains the armrest wire harness, including its routing and specifications. * **Wire Harness, Switch:** Covers the switch wire harness, including its routing and specifications. * **Wire Harness, Lighting:** Provides information on the lighting wire harness, including its routing and specifications. * **Wire Harness, Cab:** Covers the cab wire harness, including its routing and specifications. * **Wire Harness, Proportional Control (Option):** Provides information on the optional proportional control wire harness, including its routing and specifications. * **Rubber Track:** Covers the rubber track, including its specifications, installation, and maintenance. * **Steel Track (Option):** Provides information on the optional steel track, including its specifications, installation, and maintenance. * **Undercarriage, Rubber Track:** Covers the undercarriage components for rubber track machines, including their specifications and maintenance. * **Undercarriage, Steel Track (Option):** Covers the undercarriage components for optional steel track machines, including their specifications and maintenance. * **Track Tensioner, Rubber Track:** Provides information on the rubber track tensioner, including its operation and adjustment. * **Track Tensioner, Steel Track (Option):** Provides information on the optional steel track tensioner, including its operation and adjustment. * **Dozer Blade:** Covers the dozer blade, including its specifications, installation, and maintenance. * **Chassis:** Provides information on the chassis, including its specifications, components, and maintenance. * **Counterweight:** Covers the counterweight, including its specifications, installation, and maintenance. * **Engine Hood:** Explains the engine hood components and their functions. * **Tank Cover:** Covers the tank cover, including its specifications, installation, and maintenance. * **Partition Wall:** Provides information on the partition wall, including its specifications and installation. * **Undercarriage Covers:** Covers the undercarriage covers, including their specifications, installation, and maintenance. * **Isolation Mats:** Provides information on the isolation mats, including their specifications and installation. * **Chassis Covers:** Covers the chassis covers, including their specifications, installation, and maintenance. * **Boom:** Provides information on the boom, including its specifications, components, and maintenance. * **Dipper Arm, Short:** Covers the short dipper arm, including its specifications, components, and maintenance. * **Dipper Arm, Long (Option):** Provides information on the optional long dipper arm, including its specifications, components, and maintenance. * **Cab Mounting:** Explains the cab mounting system, including its specifications and installation. * **Cab:** Provides information on the cab, including its specifications, components, and maintenance. * **Cab Frame Trim:** Covers the cab frame trim, including its specifications, installation, and maintenance. * **Cab Trim:** Provides information on the cab trim, including its specifications, installation, and maintenance. * **Cab Mirrors:** Covers the cab mirrors, including their specifications, installation, and maintenance. * **Cab Door:** Provides information on the cab door, including its specifications, components, and maintenance. * **Cab Windshield:** Covers the cab windshield, including its specifications, installation, and maintenance. * **Cab Windows (Except Windshield):** Covers the cab windows (except the windshield), including their specifications, installation, and maintenance. * **Operators Seat:** Provides information on the operator's seat, including its specifications, adjustments, and maintenance. * **Cab Heater:** Explains the cab heater system, including its operation and maintenance. * **Air Conditioning (Option):** Provides information on the optional air conditioning system, including its specifications and operation. * **Air Conditioning Compressor (Option):** Covers the optional air conditioning compressor, including its specifications and installation. * **Air Conditioning Installation:** Provides instructions on the installation of the optional air conditioning system. * **Index:** Provides an alphabetical listing of all components and their corresponding page numbers. * **Numerical Index:** Provides a numerical listing of all components and their corresponding page numbers. This comprehensive manual will be a valuable asset for anyone working on a Gehl 603 Compact Excavator.

The Gehl 603 Compact Excavator is a versatile and powerful machine designed for a wide range of applications, particularly in tight spaces and challenging terrain. Its compact size and impressive maneuverability make it ideal for landscaping, construction, and utility projects where space is limited. The 603 boasts a powerful engine that delivers efficient performance while minimizing fuel consumption, making it a cost-effective choice for contractors and operators. This excavator features a robust undercarriage with tracks designed for optimal traction and stability, ensuring reliable operation even on uneven surfaces. The 603's operator station is designed with comfort and ergonomics in mind, offering excellent visibility and intuitive controls that optimize operator productivity and minimize fatigue. The Gehl 603 Compact Excavator is equipped with a variety of attachments, including buckets, grapples, and breakers, that enhance its versatility and expand its capabilities. These attachments allow the 603 to handle a wide range of tasks, from digging and loading to demolition and material handling. The 603 can be equipped with optional features that further enhance its functionality, such as a quick-attach system for effortless tool changes, a hydraulic thumb for precise material handling, and a dedicated auxiliary hydraulic system for powering specialized attachments. The machine's robust design and high-quality components ensure long-lasting durability and reliable performance, making the Gehl 603 a favored choice among professionals seeking a compact and dependable excavator for their diverse project needs.