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

2014 Mercedes Benz CLA 250 Sedan (A61574)
2014 Mercedes Benz...
2019 CAT 259D (A60462)
2019 CAT 259D (A60462)
POWDER RIVER SQUEEZE CHUTE (A63291)
POWDER RIVER...
2020 ATLAS 2 POST AUTOMOTIVE LIFT (A59912)
2020 ATLAS 2 POST...
4R SPRING LOADED SHANK CULTIVATOR (A63291)
4R SPRING LOADED...
2023 CATERPILLAR 289D3 SKID STEER (A62129)
2023 CATERPILLAR...
 
Top