Relief Valve Pressure Setting Specifications; Main Relief Valve Specifications (Bench Data); Main Relief Valve Specifications (At The Measurement Port On The Machine) - Kubota KX080-3 Workshop Manual

WSM KX080-3 Service
b.Relief Valve pressure setting
(1)Main relief valve(bench data)
No. Valve location
1 Travel main relief valve a1
2 Travel main relief valve a2
3 Main relief valve a4
4 LS unload relief valve b6
5 LS main relief a3
(2) Main relief valve (at the measurement port on the machine)
No. Valve location
1 Travel main relief valve a1
2 Travel main relief valve a2
3 Main relief valve a4
4 LS unload relief valve b6
5 LS main relief a3
Operating work
MPa
kgf/cm
psi
MPa
kgf/cm
psi
MPa
kgf/cm
psi
MPa
kgf/cm
psi
MPa
kgf/cm
psi
Operating work
LS regurator
IV-S-22
Unit KX080-3
29.4±0.3
KX080-3:
2
300±3
at 43 L/min (11.36 USGPM)
4264±44
29.4±0.3
KX080-3:
2
300±3
at 43 L/min (11.36 USGPM)
4264±44
20.6±0.3
KX080-3:
2
210±3
at 66 L/min (17.44 USGPM)
2988±44
1.96±0.1
KX080-3:
2
20±1
at 26 L/min (6.87 USGPM)
284±15
27.4±0.3
KX080-3:
2
279±3
at 48 L/min (12.68 USGPM)
3974±44
Unit KX080-3
+1.0
MPa 30.4
-1.0
+10
2
310
kgf/cm
-10
+145
psi 4409
-145
+1.0
MPa 30.4
-1.0
+10
2
310
kgf/cm
-10
+145
psi 4409
-145
+1.0
MPa 21.6
-1.0
+10
2
220
kgf/cm
-10
+145
psi 3133
-145
+0.5
MPa 2.65
-0.5
+5
2
27 Idle:23 k
kgf/cm
-5
+73
psi 384
-73
+1.0
MPa 27.9
-1.0
+10
2
285
kgf/cm
-10
+145
psi 4047
-145
Hydraulic system
Remarks
Remarks