990 Hydraulic problem

/ 990 Hydraulic problem #1  

chorsken

New member
Joined
Apr 20, 2012
Messages
4
Location
Wolfeboro, NH
Tractor
John Deere 990 and B
Bucket and steering intermittent, changed filter still a problem. Is cleaning the suction screen the next step? Thanks
 
/ 990 Hydraulic problem
  • Thread Starter
#3  
THANKS FOR YOUR REPLY. BECAUSE BOTH THE STEERING AND BUCKET WERE DOING THE SAME, AND THEY OPPERATE FROM TWO DIFFERENT PUMPS, I FIGURED IT WAS THE INTAKE HYD OIL COMING INTO THE PUMP UNITS. I CHECKED THE HOSES REAL CAREFULL LEADING BACK FROM THE PUMP TO THE SUPPLY AND FOUND A PINHOLE THAT WAS ALLOWING AIR TO GET INTO THE SYSTEM. FIXED THAT AND EVERYTHING WAS OK. THANKS
 

Marketplace Items

2007 INTERNATIONAL PAYSTAR 5600 Bucket Truck (A62679)
2007 INTERNATIONAL...
2004 John Deere 4710 Sprayer (A63688)
2004 John Deere...
2017 Buick Encore Preferred SUV (A61574)
2017 Buick Encore...
2022 New Holland SP310F Sprayer (A63111)
2022 New Holland...
2020 Takeuchi TL8R2 Track Loader with 72in Tooth Bucket (A63689)
2020 Takeuchi...
1998 VOLVO VNL64T630 S/A MID ROOF SLEEPER TRUCK TRACTOR (A59911)
1998 VOLVO...
 
Top