Q: What indicates that the tandem pump coupling or shaft is damaged?
A: Complete loss of hydraulic power while the engine is running points to a broken drive shaft.
A: Complete loss of hydraulic power while the engine is running points to a broken drive shaft.
Q: Do we need to change the hydraulic fluid when installing this pump assembly?
A: Yes, dirty oil will void the warranty and cause immediate damage to the new piston shoes.
A: Yes, dirty oil will void the warranty and cause immediate damage to the new piston shoes.
Q: Is this assembly compatible with both ZX350K-EX and ZX350LC models?
A: Yes, it is fully interchangeable with OEM part numbers 9257308, 9257126, and 9257309.
A: Yes, it is fully interchangeable with OEM part numbers 9257308, 9257126, and 9257309.
Q: How does this tandem pump handle extreme temperature shifts?
A: Precision internal clearances maintain stable volumetric efficiency from -20°C up to 90°C.
A: Precision internal clearances maintain stable volumetric efficiency from -20°C up to 90°C.
