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

2020 INTERNATIONAL LT625 SLEEPER (A59905)
2020 INTERNATIONAL...
2022 Transcend Xplor 245RL 30ft. T/A Travel Trailer (A59231)
2022 Transcend...
(INOP) 2012 INTERNATIONAL DURASTAR 4300M7 SBA TRUCK (A59823)
(INOP) 2012...
2018 Chevrolet Traverse SUV (A60352)
2018 Chevrolet...
2025 30in. Forks and Frame Mini Skid Steer Attachment (A59228)
2025 30in. Forks...
84" HYD ROCK GRAPPLE (A52706)
84" HYD ROCK...
 
Top