12 - HYDRAULIC SYSTEMS PROBLEMS WHICH MAY OCCUR - POSSIBLE SOLUTIONS:
PROBLEMS
CAUSES
SOLUTIONS
Leakage on screw-on
connections/fixed hoses.
Leakage on
quick-disconnect hoses.
Hydraulic motor
leakage.
Hydraulic motor
does not work.
Quick-disconnects
will not engage.
Loose connections.
Insufficient sealing
tape on threads.
Insufficient sealing
tape on threads.
Loose connections.
Damaged repairs
Defective sealing rings.
Oil temperature
above 80ºC.
Pressure below
180kgf/cm².
Hydraulic oil level very low
Oil flow-rate very low
(below 80 l/min).
Contaminated oil.
Unequal plug
pressure.
Input/out hoses inverted
Mis-matched connections
Retighten with caution
Apply sealing tape
and retighten with caution
Retighten with caution
Apply sealing tape
and retighten with caution
Replace repairs.
Replace sealing rings.
Interrupt the job
until the temperature
drops or replace tractor
Adjust the pressure
valve on the
controller to 180kgf/cm².
relief
hydraulic
Fill the hydraulic
level to proper levels
oil
Repair the pump if need be.
(worn pump)
Clean or replace the oil
filter;
change out the oil if it is
contaminated.
Adjust or replace,
if need be.
invert the hose hook-ups
on the tractor
controller.
.
.
.
.
.
.
.
.
.
.
Replace male/female
connections to
match mates.
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