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04-04-2013, 03:53 PM #1
- Join Date
- Apr 2013
- Fort Myers FL
- JCB 1400B
JCB 1400b has low hydraulic pressure
I bought the machine new in 1986. After not having used the backhoe for an extended period I was hardly able to raise the boom or the front loader.
The hydraulic pressure goes to only 1000 lbs. I tried a new hydraulic pump without any improvement. I checked the flow to be plenty at 5 gal per minute. I installed a new filter and cleaned the reservoir screen. The main pressure relieve valve seems to be working. Does anyone have any suggestions what else to look for?
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