steering

Loader steering valve repair

The steering control valve in Volvo, Komatsu, and Hyundai loaders is a critical component of the hydraulic steering system, responsible for controlling oil flow and pressure to the steering cylinders. These valves are typically high-pressure, double-acting designs capable of withstanding operating pressures between 200 and 260 bar. Internally, they feature pistons, springs, and precisely machined housings with tolerances below 0.05 millimeters, enabling accurate oil flow control and precise steering shaft movement. Selecting the correct valve and maintaining the specified flow rate for each loader model is crucial to prevent vibration and premature wear of hydraulic components.

The mounting location of the steering valve is usually on the outlet path of the hydraulic pump, near the input shaft of the orbital steering unit. This position allows the valve to receive direct hydraulic pressure and transmit force accurately to the steering cylinders. The valve is connected to pressure and return lines using flange couplings and high-pressure-resistant O-rings. Improper alignment or installation can lead to leakage, reduced flow, and increased shaft vibration, shortening the lifespan of the hydraulic components.

The repair process for the steering valve involves disassembling the

forklift orbitrol steering unit repair

The Orbitrol steering unit in tractors and forklifts is responsible for converting hydraulic oil pressure and flow into mechanical movement of the steering shaft. This unit is typically high-pressure, double-acting, and capable of handling operating pressures between 180 and 260 bar. Its internal design includes pistons, springs, valves, and precisely machined housings with tolerances below 0.05 millimeters, allowing accurate oil flow control and precise steering shaft movement. Selecting the appropriate unit and maintaining the specified flow and pressure for each tractor or forklift model is crucial to prevent vibration and premature component wear.

The mounting location of the Orbitrol steering valve is usually on the hydraulic pump outlet path, near the input shaft of the steering unit. This position allows the valve to receive direct hydraulic pressure and transmit force accurately to the steering cylinders. Pressure and return lines are connected with high-pressure O-rings and flange couplings to prevent leakage and flow reduction. Improper alignment or installation can cause increased steering shaft vibration and reduced lifespan of hydraulic components.

The repair process for the Orbitrol steering unit involves disassembling the assembly, thoroughly cleaning all com

orbital steering unit repair

The Orbital Steering Unit is a precise hydraulic system designed to convert linear hydraulic oil movement into rotational motion of the steering shaft. This unit is commonly used in heavy machinery, tractors, and combines, and can handle operating pressures between 180 and 250 bar. Its internal design includes multi-channel pistons, control valves, and housings with tolerances below 0.05 millimeters, enabling force transmission with minimal friction and leakage.

The mounting location of the orbital steering unit is usually on the input shaft of the steering system, near the hydraulic pump. This position allows the unit to receive direct hydraulic pressure and transmit precise motion to the output steering shaft. Pressure and return lines are connected with high-pressure-resistant O-rings and flange couplings. Any leakage or misalignment at this point can cause increased vibration, reduced steering precision, and premature bearing wear.

The repair process for an orbital steering unit involves disassembling the unit, inspecting piston wear, valves, and housing, and measuring tolerances with a digital micrometer. If cracks or wear greater than 0.05 millimeters are detected, component replacement is mandatory. After reassembly, the unit must be tested on a hydraulic bench at 20

dana spicer steering lift truck axle

Dana Spicer brand steering axles can be supplied for all types of forklifts with different configurations. Very high maneuverability and speed conversion in wide ranges are among the technical specifications of the Dana Spicer American brand forklift steered axles. Fast and low-cost service is one of the other benefits of using Dana Spicer axles and gearboxes on all types of load handling machines, including reach stackers and forklifts.
In addition to forklifts, this Dana Spicer guided axle series is used on all kinds of drilling and mining drills, all kinds of loaders, all kinds of combines and agricultural machines, and huge observatory telescopes. Rahsaz Market Industrial Group is the importer of all Dana Spicer turbine and gearbox equipment in Iran.