Kubota KX080-4 Workshop Manual page 251

KX080-4, WSM
9. Remove the reducing valve ASSY, secondary pressure spring
and return spring from the casing.
IMPORTANT
• Mark the relationship of the casing holes.
(1) Secondary Pressure Spring
(2) Return Spring
10. Put the cover on its side, put a pin punch against the bushing
and lightly tap it with a hammer to remove it.
• Tools to use : Hammer and pin punch ( 10 mm,
(1) Bushing
11. To disassemble the reducing valve, compress the secondary
pressure spring, shift the spring seat to the side and remove the
spool via the large hole.
IMPORTANT
• Be careful not to scratch the spool.
• Do not depress the spring seat more than 4 mm (0.16 in.).
• Do not disassemble the reducing valve unless there is a
problem with it.
(1) Spring Seat
12. Remove the spool, secondary pressure spring shim(s) and
washer.
IMPORTANT
• Treat as an assembly until reassembly.
• The thickness of the metal washers is different for each
spool ASSY due to the preset adjustment of the secondary
pressure spring.
• A metal washer is not used in the figure.
(1) Spool
(2) Secondary Pressure Spring
3-S92
HYDRAULIC SYSTEM
A : Reducing Valve ASSY
RY9212148HYS0178US0
0.39 in. ≥)
(2) Cover
RY9212148HYS0179US0
RY9212148HYS0180US0
(3) Shim
(4) Spring Seat
RY9212148HYS0181US0
KiSC issued 08, 2015 A