How does the hydraulic pump work on an EX120?
How does the hydraulic pump work on an EX120?
The hydraulic pump runs at a baseline 100%. • The H/P mode provides the full power of the EX120 on command. This function increases engine rpm by 6% when activated, thus providing 5% more horsepower when needed. – Engine rpm automatically increases when the arm-in function meets resistance.
How do you remove a seal from a centrifugal pump?
Steps Turn off the power. If the centrifugal motor is in motion, turn it off. Cut the plumbing. Cut the plumbing tubes connected to the centrifugal pump. Disconnect the pump. Using a wrench, unscrew the bolts holding the pump housing in place. Dismantle the centrifugal pump’s impeller. The seal is located on the shaft behind the impeller.
How do you replace the seal on an oil pump?
Replace the seal. Slide a mechanical seal along the shaft of the motor. Note that the front face of the shaft is extremely sensitive, even to the oils secreted by the fingers. Make sure that you don’t touch the face. Screw on the impeller. With the help of a wrench, hold the motor shaft. Screw on the impeller. Reconnect the pump.
What kind of control system does Hitachi EX120 have?
The EX120 features the most advanced computerized horsepower and control system available: Hitachi’s exclusive Dash-5 system. This system is renowned for its smooth multi- function control. The proven Isuzu engine is perfectly matched to the hydraulic system for years of reliable and yet outstanding performance.
The hydraulic pump runs at a baseline 100%. • The H/P mode provides the full power of the EX120 on command. This function increases engine rpm by 6% when activated, thus providing 5% more horsepower when needed. – Engine rpm automatically increases when the arm-in function meets resistance.
Are there any hydraulic pumps that are remanufactured?
We maintain an extensive inventory of remanufactured hydraulic pumps and motors for Hitachi ® equipment: EX1100, EX1200, EX120, EX150, EX1800, EX200, EX270, EX300, EX3600, EX400, EX5500, EX750, & Zaxis 330, Zaxis 350, and Zaxis 800. View the list below for our commonly stocked items. Don’t see what you’re looking for?
How to remove the seal on a Parker F12 hydraulic shaft?
Step 1: You want to grab your Snap-ring pliers, you’re going to put them into the groove of the shaft and make sure to put the shaft facing toward you. Step 2: As you take out the Snap-ring put your hand over it to protect yourself, just in case the Snap-ring were to pop out, you don’t want to hurt anyone.
The EX120 features the most advanced computerized horsepower and control system available: Hitachi’s exclusive Dash-5 system. This system is renowned for its smooth multi- function control. The proven Isuzu engine is perfectly matched to the hydraulic system for years of reliable and yet outstanding performance.