Hydraulic System - Service Section - Kubota KX080-3 Workshop Manual

WSM KX080-3 Service
I Hydraulic system
A. Troubleshooting
a.Case - Study : Abnormal speed
b.Case - Study : The power is weak
c.Case - Study : Poor Manipulation and Abnormal Operation
d.LS control system troubleshooting
e.Pump component trouble causes and remedy
f. Control valve component troubleshootin
g.Travel motor component troubleshooting
B. Specifications
a.Specification of pump
b.Relief Valve pressur setting
c.Swivel perfoemance
d.Traveling performance
e.Cylinder
C. Testing
a.Testing Instruments
b.Precautions in handling the pump
c.Pilot pressure
d.Main relief valve : LS system
e.Main relief valve : Travel system
f. Unload valve
g.Overload relief valve
h.Swivel brake valve pressure
i.Measuring the main pump Max. flow rate
j.Measuring the main pump's stand-by flow rate
k.LS control pressur
l.Traveling motor drain amount
m.Swivel motor drain amount
n.Swivel motor block performance
o.Traveling motor block performance
p.Operating speed
Ser ice Section
special tools
I -1
Hydraulic system
I -S-3
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-S-4
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-S-5
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-S-6
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I -S-21
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I -S-35
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-S-35
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-S-56