Kubota B1220 Workshop Manual page 260

B1220, B1620, B1820, WSM
THREE POINT HYDRAULIC SYSTE
Relief Valve [B1220]
Setting Pressure Condition
• Engine Speed
-1
Approx. 3100 min (rpm)
• Oil Temperature
45 to 55 °C (113 to 131 °F)
Relief Valve [B1620 and B1820]
Setting Pressure Condition
• Engine Speed
-1
Approx. 2800 min (rpm)
• Oil Temperature
45 to 55 °C (113 to 131 °F)
Lift Arm
Hydraulic Cylinder
Hydraulic Arm Shaft to Bushing
• Hydraulic Arm Shaft, Right
• Hydraulic Arm Shaft, Left
• Bushing, Right
• Bushing, Left
Item
I.D.
Clearance
O.D.
O.D.
I.D.
I.D.
8-S3
HYDRAULIC SYSTEM
Factory Specification
9.40 to 10.2 MPa
2
95.9 to 104 kgf/cm
1370 to 1470 psi
11.5 to 12.3 MPa
2
118 to 125 kgf/cm
1670 to 1780 psi
5.0 to 15 mm
0.20 to 0.59 in.
65.05 to 65.10 mm
2.561 to 2.562 in.
0.020 to 0.11 mm
0.00079 to 0.0043 in.
31.925 to 31.950 mm
1.2569 to 1.2578 in.
29.925 to 29.950 mm
1.1782 to 1.1791 in.
31.970 to 32.035 mm
1.2587 to 1.2612 in.
29.975 to 30.035 mm
1.1802 to 1.1824 in.
Allowable Limit
–
–
–
65.15 mm
2.565 in.
0.30 mm
0.0012 in.
–
–
–
–
9Y1210272HYS0002US0
(EU)
KiSC issued 07, 2011 A