Komatsu PC400-7 main pump repair , Iran

The main hydraulic pump of the Komatsu PC400-7 excavator is a variable displacement axial piston pump, commonly identified by part numbers such as 708-2H-00027, 708-2H-00026, and 708-2H-00022. This pump is designed to deliver high volumetric flow rates and operate under high-pressure conditions, ensuring efficient power transmission for the excavators hydraulic system.

In terms of specifications, the pump typically operates at a maximum pressure of approximately 370 bar 5,365 psi and provides a flow rate around 690 liters per minute L/min. These parameters are crucial for the optimal performance of the excavators functions, including arm, boom, and swing operations.

The repair process for this hydraulic pump involves several critical steps to ensure its proper functioning:

Disassembly: Carefully remove the pump from the excavator, taking precautions to avoid damage to connected components.

Inspection: Thoroughly examine the pump for signs of wear, corrosion, or damage, focusing on components such as pistons, cylinder block, and swashplate.

Cleaning: Clean all parts using appropriate solvents to remove any contaminants that could affect performance.

Component Replacement: Replace any worn or damaged components with OEM parts to maintain the pumps integrity and performance.

Reassembly and Testing: Reassemble the pump with precise torque specifications and conduct bench testing to verify performance parameters such as pressure and flow rate.You can order and buy Komatsu PC400-7 main pump repair from Iran by contacting us through whatsaap and email.
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