Q: What failure features are common in worn or degraded return oil line couplings?
A: Visible oil wetness around the joint, rapid drops in the hydraulic oil reservoir level, foaming fluid inside the tank due to air intake, and oily grime buildup along the chassis rail.
A: Visible oil wetness around the joint, rapid drops in the hydraulic oil reservoir level, foaming fluid inside the tank due to air intake, and oily grime buildup along the chassis rail.
Q: What technical precautions should be taken when replacing this hydraulic line coupling?
A: Fully depressurize the hydraulic system before removal, clean the hose ends, replace any accompanying O-rings, and apply the recommended torque to prevent over-tightening or thread stripping.
A: Fully depressurize the hydraulic system before removal, clean the hose ends, replace any accompanying O-rings, and apply the recommended torque to prevent over-tightening or thread stripping.
Q: How do distributors confirm this connector fits their customer's excavator model?
A: Match part number 4071213. It is explicitly engineered for return oil lines on EX100, EX120-2, EX150-5, ZX170W-3, 75D, and 85G excavators.
A: Match part number 4071213. It is explicitly engineered for return oil lines on EX100, EX120-2, EX150-5, ZX170W-3, 75D, and 85G excavators.
Q: Can this connector withstand extreme outdoor operations in sub-zero or desert job sites?
A: Yes, its robust steel body and durable seals maintain structural integrity and a leak-free seal across temperatures ranging from -40 up to 120 degrees Celsius.
A: Yes, its robust steel body and durable seals maintain structural integrity and a leak-free seal across temperatures ranging from -40 up to 120 degrees Celsius.
Q: What commercial advantages does this hydraulic connector offer bulk wholesalers?
A: We provide factory-direct bulk pricing and clean thread finishing, giving you a competitive edge in quality over generic market fittings while boosting your profit margins.
A: We provide factory-direct bulk pricing and clean thread finishing, giving you a competitive edge in quality over generic market fittings while boosting your profit margins.
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
