Servicing Specifications - wsm Kubota L4100 Workshop Manual

L4100, WSM

2. SERVICING SPECIFICATIONS

HYDRAULIC PUMP
Hydraulic Pump for Power Steering
Condition
• Engine Speed:
-1
Approx. 2600 min (rpm)
• Rated Pressure:
10.7 to 11.6 MPa
2
(109 to 119 kgf/cm , 1550 to 1690 psi)
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Hydraulic Pump for Three Point System
Condition
• Engine speed
-1
Approx. 2600 min (rpm)
• Rated Pressure
17.2 to 18.1 MPa
2
(175 to 185 kgf/cm , 2490 to 2630 psi)
• Oil Temperature
40 to 60 °C (104 to 140 °F)
Housing Bore
Bushing to Gear Shaft
Gear Shaft
Bushing
Side Plate
RELIEF VALVE (THREE POINT SYSTEM)
Relief Valve
Condition
• Engine Speed:
Maximum
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
• Location of Measurement:
Front Hydraulic Block
CYLINDER SAFETY VALVE
Cylinder Safety Valve
Item
Delivery at No
Pressure
Delivery at Rated
Pressure
Delivery at No
Pressure
Delivery at Rated
Pressure
Depth of Scratch
Clearance
O.D.
I.D.
Thickness
Item
Steering Pressure
Item
Operating
Pressure
8-S3
HYDRAULIC SYSTEM
Factory Specification
Above
17.9 L/min.
4.73 U.S.gals/min.
3.94 Imp.gals/min.
Above
17.6 L/min.
4.65 U.S.gals/min.
3.87 Imp.gals/min.
Above
29.4 L/min.
7.77 U.S.gals/min.
6.47 Imp.gals/min.
Above
28.8 L/min.
7.61 U.S.gals/min.
6.34 Imp.gals/min.
–
0.020 to 0.081 mm
0.00079 to 0.0031 in.
14.970 to 14.980 mm
0.58937 to 0.58976 in.
15.000 to 15.051 mm
0.59056 to 0.59255 in.
2.48 to 2.50 mm
0.0977 to 0.0984 in.
Factory Specification
17.2 to 18.1 MPa
2
175 to 185 kgf/cm
2490 to 2630 psi
Factory Specification
19.7 to 22.5 MPa
2
200 to 230 kgf/cm
2850 to 3270 psi
Allowable Limit
–
15.7 L/min.
4.15 U.S.gals/min.
3.45 Imp.gals/min.
–
25.8 L/min.
6.82 U.S.gals/min.
5.68 Imp.gals/min.
0.090 mm
0.0035 in.
0.15 mm
0.0059 in.
–
–
2.40 mm
0.0945 in.
Allowable Limit
–
Allowable Limit
–
(EU)
KiSC issued 08, 2012 A