komatsu forklift hydraulic pump repair , Iran

Repairing the hydraulic pump of a Komatsu forklift involves accurately diagnosing faults, disassembling the pump, and inspecting internal components. Common issues include oil leakage, pressure loss, and unusual noise. Before repair, the hydraulic system should be drained and filters replaced to prevent contamination. Using precise tools and measuring pressure and flow during post-repair testing ensures system safety and optimal performance.

Komatsu forklift hydraulic pumps are typically gear-type or variable displacement piston pumps with high capacity. Pump pressure ranges from 100 to 200 bar depending on the forklift model, and flow rate is between 40 to 80 liters per minute. These technical specifications allow the pump to generate sufficient force to lift heavy loads and operate hydraulic cylinders. Proper pump selection and accurate adjustment of pressure and flow are critical for system efficiency and longevity.

During Komatsu hydraulic pump repair, attention must be paid to worn gears, pistons, and O-rings. Using standard hydraulic oil and replacing rotors and bushings when worn restores pressure and flow to factory specifications. Inspecting internal leaks and performing functional tests after assembly ensures the forklift’s hydraulic system operates efficiently and safely under full load.
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