74
Noisy System
TROUBLE
PROBABLE CAUSE
REMEDY
TROUBLE SHOOTING
Regulator valve not opening
(oil flows through relief
valve when lift arms are
fully raised
Links creep up when
working with external
cylinder
Low oil level
Clogged suction strainer
Air in the system
Load movement restricted
Restriction in high pressure
line
Pipes vibrating
Faulty pump
Position of position control
stop lever not correct
Orifice filter choked
Regulator piston stuck in
closed position
Isolator valve not fully closed
Isolator valve is leaking
Fill to correct level
Remove and clean
Check oil level and suction
line joints
Check for free movement of
the links and that load is not
fouling tractor
Remove and clean
Check the unions and
tighten.
Repair or replace
Adjust
Clean
Remove and correct
Close
Rectify / replace
Hy-tec Hydraulic