8-S3
L4400 , WSM
HYDRAULIC SYSTEM
2. SERVICING SPECIFICATIONS
POWER STEERING HYDRAULIC PUMP
W1013874
RELIEF VALVE (POWER STEERING)
W1013874
Item
Factory Specification
Allowable Limit
Hydraulic Pump
Condition
• Engine speed :
Approx. 2600 min
-1
(rpm)
• Rated Pressure :
[2WD]
8.0 to 9.0 MPa
81.4 to 91.4 kgf/cm
2
1158 to 1300 psi
[4WD]
10.7 to 11.7 MPa
109 to 119 kgf/cm
2
1552 to 1697 psi
• Oil Temperature : 40 to 60 °C
104 to 140 °F
Delivery at No
Pressure
Delivery at Rated
Pressure
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.
–
15.7 L/min.
4.15 U.S.gals./min.
3.45 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.
Gear Shaft
O.D.
14.970 to 14.980 mm
0.5894 to 0.5898 in.
–
Bushing
I.D.
15.000 to 15.051 mm
0.5906 to 0.5926 in.
–
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 : Outlet Port
Area of Hydraulic Pump
Setting Pressure
(2WD)
8.0 to 9.0 MPa
81.4 to 91.4 kgf/cm
2
1158 to 1300 psi
–
Setting Pressure
(4WD)
10.7 to 11.7 MPa
109 to 119 kgf/cm
2
1552 to 1697 psi
–
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
