This comprehensive workshop service and repair manual provides detailed information and instructions for maintaining and repairing your Furukawa Unic UR series hydraulic crane. This manual covers a wide range of models, including the UR220, UR250, UR260, UR290, UR330, UR360, and UR500. The manual features detailed illustrations and step-by-step instructions to guide you through each service, repair, and maintenance procedure. The manual includes in-depth sections on: * **General View:** Provides an overview of the crane's design and components. * **Boom System:** Covers the boom's construction, operation, and maintenance. * **Slide Plate & Wire Bracket:** Provides detailed information about these components, including assembly, disassembly, and maintenance instructions. * **Extension-Retraction:** Explains the extension and retraction mechanisms of the boom, including hydraulics and control systems. * **Telescoping Cylinder:** Discusses the design, operation, and maintenance of the telescoping cylinder. * **Cushion Seal System:** Details the construction and function of the cushion seal system. * **Construction of Base:** Provides information about the base's construction, assembly, and maintenance. * **Extension Cable:** Covers the extension cable's design, operation, and troubleshooting. * **Vertical Outrigger Cylinder:** Details the design, operation, and maintenance of the vertical outrigger cylinder. * **Horizontal Outrigger Cylinder:** Explains the design, operation, and maintenance of the horizontal outrigger cylinder. * **Pilot Check Valve:** Provides information about the pilot check valve's design, function, and troubleshooting. * **Slewing Device System:** Covers the slewing device system, including its components, operation, and maintenance. * **Tightening Order:** Provides the correct tightening order for various components. * **Turn Table Mounting:** Details the turn table mounting process. * **Slewing Reduction Gear:** Explains the design, operation, and maintenance of the slewing reduction gear. * **Bearing Housing:** Covers the bearing housing's construction, maintenance, and replacement procedures. * **Hoist Winch System:** Details the hoist winch system, including its components, operation, and troubleshooting. * **Swivel Joint System:** Provides information about the swivel joint system, including its design, function, and maintenance. * **Slip Ring System:** Details the slip ring system's design, operation, and maintenance. * **Derrick Cylinder:** Explains the derrick cylinder's design, operation, and maintenance. * **Control System:** Covers the crane's control system, including its components, operation, and troubleshooting. * **Alarm System:** Provides information about the alarm system's design, function, and troubleshooting. * **Control Valve System:** Details the control valve system, including its components, operation, and maintenance. * **Counterbalance Valve:** Covers the counterbalance valve's design, function, and troubleshooting. * **DI-CO Valve System:** Explains the DI-CO valve system's design, operation, and maintenance. * **Construction of Hook:** Provides information about the hook's construction, inspection, and replacement. * **Handle Wire Ropes:** Details the handling and maintenance of wire ropes. * **Filters System:** Covers the filter system's design, function, and maintenance. * **Lubrication System:** Explains the lubrication system, including lubrication points, intervals, and types of lubricants. * **Hydraulic Circuit:** Provides a detailed diagram and explanation of the hydraulic circuit. This manual is a valuable resource for both experienced mechanics and DIY enthusiasts who want to keep their Furukawa Unic UR series crane operating at peak performance. The detailed information and step-by-step instructions will help you diagnose and repair problems efficiently, while the comprehensive coverage of all major components ensures you have everything you need for successful maintenance and repair.

The FURUKAWA UNIC UR Series crane is a range of compact, yet powerful hydraulic cranes designed for a variety of lifting applications. These cranes, encompassing models UR220, UR250, UR260, UR290, UR330, UR360, and UR500, are known for their versatility, maneuverability, and impressive lifting capacity. The UR Series cranes boast a robust construction with a focus on safety and durability. Featuring a sophisticated hydraulic system, these cranes offer smooth and precise lifting operations, enabling operators to handle heavy loads with ease. Furthermore, the telescopic boom design with multiple extendable sections allows for a wide reach and flexibility in positioning the load. The UR Series cranes are equipped with various safety features, such as overload protection systems, emergency stops, and load moment indicators. These features ensure operator safety and prevent accidents during operation. These cranes boast compact dimensions and excellent maneuverability, making them suitable for work in confined spaces, crowded urban environments, and challenging terrains. The FURUKAWA UNIC UR Series cranes are widely used in construction, maintenance, transportation, and other industries requiring reliable and efficient lifting solutions. The cranes find application in tasks such as lifting and placing prefabricated building components, handling heavy machinery, loading and unloading cargo, and performing maintenance work on bridges and other structures. With their combination of power, precision, and safety features, the FURUKAWA UNIC UR Series cranes are a valuable asset for businesses and professionals demanding high-quality lifting equipment.