Why is my Hitachi EX120 engine not working?
Why is my Hitachi EX120 engine not working?
I believe it is an hydraulic problem, rather than a fuel problem, because the engine recovers its revs straight away when you release the lever. At some time in its former life, a lot of wires to the pump had been cut, and rejoined by twisting together, the machine worked for many years like this.
Why does my Hitachi digger not rev up?
Also now, the machine will not rev up, none of the power setting buttons work. Sounds like the N sensor is not working, Check wiring to sensor on top of pump also known as the rpm sensor. Looks like a button held in with one bolt. Ive had time to have a mess with the digger today!
How does the throttle control work on a Hitachi excavator?
The throttle control circuit is a complex circuit as it is also tied into the ECM and receives signals from the engine speed sensor, the throttle control dial, the monitor panel, and hydraulic pressure sensors. this is called the “Auto Decel” or auto deceleration circuit.
Where is the angle sensor on a Hitachi EX120?
If you had the angle sensor out you may have put it back in in the wrong orientation, there is a small dot on the shaft and when you put it back in the dot must face away from the harness side.
I believe it is an hydraulic problem, rather than a fuel problem, because the engine recovers its revs straight away when you release the lever. At some time in its former life, a lot of wires to the pump had been cut, and rejoined by twisting together, the machine worked for many years like this.
How big is the Hitachi EX120 bucket capacity?
Operating Weight EX120: 26,700 lbs (12 100 kg) Bucket Capacity 0.25 – 0.85 yd 3 (0.19 – 0.66 m 3 3 Putting Technology To Work Features Specifics You’ll like the powerful Hitachi EX120. It is fast, extremely powerful for its size, and very responsive.
What are the features of a Hitachi excavator?
The Hitachi EX120 has excellent multi- function features which allow multiple jobs such as travel, swing and boom raise all at the same time without any one function stopping. • The Super EX120, as with all Hitachi excavator models, is built to maximize performance, reliability, and operator comfort through optimum design and quality components.
Also now, the machine will not rev up, none of the power setting buttons work. Sounds like the N sensor is not working, Check wiring to sensor on top of pump also known as the rpm sensor. Looks like a button held in with one bolt. Ive had time to have a mess with the digger today!
