This is a K3V112DTP main hydraulic pump, a critical component responsible for generating the high-pressure hydraulic flow required to operate the excavator's functions on Volvo EC220D and EC235D models. It is built to exact OEM specifications, ensuring consistent and powerful hydraulic performance, unlike a worn pump that delivers reduced flow and pressure. Operators may experience slow or weak hydraulic movements (boom, stick, bucket), loss of power during operation, or unusual noises from the hydraulic system.
Always verify with serial number before ordering.
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Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
Initial symptoms include sluggish or weak hydraulic functions, such as slow boom or bucket movements, and a noticeable reduction in digging power. If ignored, the pump's output will continue to degrade, leading to intermittent hydraulic system failure and potential overheating. Continued operation with a failing pump risks severe damage to other expensive hydraulic components.
Thoroughly flush the hydraulic system and replace all filters before installing the new pump to prevent contamination. Ensure the pump is correctly aligned with the drive coupling to avoid premature wear on both components.
Replace the main hydraulic filter and inspect all hydraulic hoses and fittings for leaks or damage during pump replacement.