A: Primary symptoms include a noticeable drop in hydraulic power, increased pump noise (cavitation), and overheating oil. If your K3V112 pump shows scoring on the cylinder face or pitting on the valve plate, immediate replacement is required to prevent catastrophic metal contamination of the entire system.
Q: What are the critical technical requirements for installing these K3V112DT internal parts?
A: Precision is paramount. The mating surfaces between the cylinder block and valve plate must be pre-lubricated with clean hydraulic oil. It is essential to check the spring tension and ensure the spherical washer is correctly seated. Always perform a system flush to remove old debris before restarting the pump.
Q: How do I confirm the 720773 and K3V112 parts will fit my specific excavator model?
A: We recommend cross-referencing the pump nameplate data and the machine’s serial number. Since the K3V112DT has several variations, our technical team provides drawing verification to confirm the number of splines and port configurations, ensuring 100% procurement accuracy before shipping.
Q: How do these hydraulic components perform in extreme construction environments?
A: Our bimetal components are tested for thermal stability across a range of -25°C to +105°C. The copper-alloy bonding is designed to resist "seizing" during cold starts and maintains its structural integrity under the high-pressure, high-heat cycles common in tropical or deep-pit mining operations.
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
