wsm B2420 - 2 Servicing Specifications

HYDRAULIC SYSTEM
B2420, WSM
8-S2
2. SERVICING SPECIFICATIONS
HYDRAULIC PUMP FOR THREE POINT HYDRAULIC SYSTEM
THREE POINT HYDRAULIC SYSTEM
9Y1210436HYS0002US0
Item Factory Specification Allowable Limit
Pump Delivery At no pressure 17.9 L/min.
4.73 U.S.gals/min.
3.94 lmp.gals/min.
–
Gear to Casing Clearance – 0.15 mm
0.059 in.
Gear Shaft to Bushing
•Gear Shaft
• Bushing
Clearance
O.D.
I.D.
0.020 to 0.091 mm
0.00079 to 0.0035 in.
14.970 to 14.980 mm
0.58937 to 0.58976 in.
15.000 to 15.061 mm
0.59056 to 0.59295 in.
0.12 mm
0.0047 in.
–
–
Side Plate Thickness 2.48 to 2.50 mm
0.0977 to 0.0984 in.
2.40 mm
0.0945 in.
Item Factory Specification Allowable Limit
Relief Valve
Condition
• Engine Speed
Approx. 2600 min
-1
(rpm)
• Oil Temperature
50 °C (122 °F)
Setting Pressure 13.2 to 13.9 MPa
135 to 141 kgf/cm
2
1920 to 2010 psi
–
Lift Arm Free Play 5.0 to 15 mm
0.20 to 0.59 in.
–
Hydraulic Cylinder I.D. 70.05 to 70.10 mm
2.758 to 2.759 in.
70.15 mm
2.762 in.
Hydraulic Arm Shaft to Bushing
• Hydraulic Arm Shaft, Right
• Hydraulic Arm Shaft, Left
• Bushing, Right
• Bushing, Left
Clearance
O.D.
O.D.
I.D.
I.D.
0.020 to 0.11 mm
0.00079 to 0.0043 in.
37.925 to 37.950 mm
1.4932 to 1.4940 in.
33.925 to 33.950 mm
1.3357 to 1.3366 in.
37.970 to 38.035 mm
1.4949 to 1.4974 in.
33.970 to 34.035 mm
1.3374 to 1.3399 in.
0.30 mm
0.012 in.
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KiSC issued 06, 2012 A