Kubota MX5100 - Page 378

8-S4
MX5100, WSM
HYDRAULIC SYSTEM
THREE POINT SYSTEM HYDRAULIC PUMP
W1012055
RELIEF VALVE (THREE POINT SYSTEM)
W1012295
HYDRAULIC CYLINDER SAFETY VALVE
W1029624
CONTROL LINKAGE
W1013874
Item Factory Specification Allowable Limit
Hydraulic Pump
Condition
• Engine speed :
Approx. 2700 min
-1
(rpm)
• Rated Pressure :
18.1 to 19.1 MPa
185 to 195 kgf/cm
2
2625 to 2770 psi
• Oil Temperature : 40 to 60 °C
104 to 140 °F
Delivery at No
Pressure
Delivery at Rated
Pressure
Above
35.8 L/min.
9.46 U.S.gals/min.
7.87 Imp.gals/min.
Above
32.9 L/min.
8.69 U.S.gals/min.
7.24 Imp.gals/min.
–
29.3 L/min.
7.74 U.S.gals./min.
6.45 Imp.gals./min.
Housing Bore Depth of Scratch – 0.09 mm
0.0035 in.
Bushing to Gear Shaft Clearance 0.020 to 0.081 mm
0.0008 to 0.0032 in.
0.15 mm
0.0059 in.
Hydraulic Pump Gear Shaft O.D. 14.970 to 14.980 mm
0.5894 to 0.5898 in.
–
Hydraulic Pump Bushing I.D. 15.000 to 15.051 mm
0.5906 to 0.5926 in.
–
Hydraulic Pump Side Plate Thickness 2.48 to 2.50 mm
0.0976 to 0.0984 in.
2.40 mm
0.0945 in.
Relief Valve
Condition
• Engine Speed : Maximum
• Oil Temperature : 40 to 60 °C
104 to 140 °F
• Location of Measurement :
Hydraulic cylinder plug
Setting Pressure 18.1 to 19.1 MPa
185 to 195 kgf/cm
2
2625 to 2770 psi
–
Hydraulic Cylinder Safety Valve Operating
Pressure
19.6 to 22.6 MPa
200 to 230 kgf/cm
2
2845 to 3277 psi
–
Lift Arm Free Play
(at Maximum
Raising Position)
10 to 15 mm
0.39 to 0.58 in.
–