wsm STW37 - Page 397

HYDRAULIC SYSTEM
STW34, STW37, STW40, WSM
8-S4
HYDRAULIC CYLINDER (3P HYDRAULIC SYSTEM)
REGULATOR VALVE
STEERING CONTROLLER
9Y1211109HYS0002US0
Item Factory Specification Allowable Limit
Cylinder Bore I.D. 75.06 to 75.10 mm
2.9551 to 2.9567 in.
75.20 mm
2.9606 in.
Hydraulic Arm Shaft to Bushing
• Hydraulic Arm Shaft (Right)
• Hydraulic Arm Shaft (Left)
• Bushing (Right)
• Bushing (Left)
Clearance (Right)
Clearance (Left)
O.D.
O.D.
I.D.
I.D.
0.120 to 0.210 mm
0.0047 to 0.0083 in.
0.090 to 0.200 mm
0.0035 to 0.0079 in.
37.795 to 37.820 mm
1.4880 to 1.4890 in.
34.925 to 34.950 mm
1.3750 to 1.3760 in.
37.940 to 38.005 mm
1.4937 to 1.4963 in.
35.040 to 35.125 mm
1.3795 to 1.3829 in.
0.30 mm
0.0118 in.
0.30 mm
0.0118 in.
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Item Factory Specification Allowable Limit
Regulating Valve
Condition
• Engine Speed:
Maximum
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Setting Pressure 10.7 to 11.7 MPa
110 to 119 kgf/cm
2
1560 to 1690 psi
–
Pressure Reducing Valve
Condition
• Engine Speed:
Idling speed
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Bi-speed / PTO
System Pressure
1.76 to 1.86 MPa
18 to 19 kgf/cm
2
256 to 270 psi
–
Item Factory Specification Allowable Limit
Relief Valve
Condition
• Engine Speed:
Maximum
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Setting Pressure 12.5 to 13.5 MPa
128 to 137 kgf/cm
2
1820 to 1950 psi
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KiSC issued 11, 2014 A