Doosan DL200 Service Manual

OP000040Troubleshooting
6-6
STEERING
Problem Possible Cause Remedy
Steering Wheel is hard to turn. Sediment blocking direction
change spool orifice, inside priority
valve.
Clean and repair.
Sediment blocking amplifying spool
orifice, inside priority valve.
Clean and repair.
Sediment blocking load sensing
line orifice, inside priority valve.
Clean and repair.
Priority valve spool sticking, inside
steering valve.
Clean and repair.
Incorrect relief valve pressure
drop, inside priority valve.
Adjust pressure.
Steering pump failure. Repair or replace.
Leaking steering cylinder. Repair cylinder.
Rust on steering column bearing
and spline.
Lubricate.
Tire air pressure is low. Inflate to proper pressure.
High initial resistance to
movement of steering wheel.
Air in load sensing line, inside
priority valve.
Bleed system to remove
air.
Sediment blocking orifice of load
sensing line, inside priority valve.
Clean and repair.
Sediment in direction change
spool, inside priority valve.
Clean and repair.
Damage to control spring damping
inside priority valve.
Replace priority valve.
Steering wheel shakes. Chattering bearing in axle end
differential.
Replace bearing.
Tire pressure not equal in left side
and right side tires.
Equalize pressure.

Doosan DL200 Specifications

General

Brand	Doosan
Model	DL200
Category	Compact Loader
Language	English