Kubota KX080-3 Workshop Manual page 566

WSM KX080-3 Service
9) Remove the plugs [285], steel-ball [296]
from the rear flange [201].
(11)Disassembly of pilot valve from the rear
flange
1) Remove the plug [221], spool [271], spring
[281] from the rear flange [201].
2) Remove the O-ring [292]from the plug
[221].
Note : Do not reuse the O-ring[292], which
has been removed.
(12) Disassembly of parking brake section
Caution
If compressed air is introduced suddenly, the
piston [112] will fly off the spindle [2] and could
result in injury.
A protective cover, etc., must therefore be
placed over the piston [112].
1) Inject compressed air into the passage hole
for parking brake of the spindle [2], and
remove the piston [112] from the spindle [2].
2) Remove the O-rings [135], [141] from the
piston [112].
Note : Do not reuse the O-rings [135], [141]
which have been removed.
IV-S-158
Hydraulic system