Servicing Specifications - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

2. SERVICING SPECIFICATIONS

HYDRAULIC PUMP
Hydraulic Pump (Power Steering)
Condition
• Engine Speed:
-1
Approx. 2700 min (rpm)
• Rated pressure:
0.7 to 11.7 MPa (109.1 to 119.3 kgf/cm
1552 to 1697 psi)
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Hydraulic Pump (3P Hydraulic System)
Condition
• Engine Speed:
-1
Approx. 2700 min (rpm)
• Rated Pressure:
16.67 MPa (170 kgf/cm
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Housing
Bushing to Gear Shaft
• Gear Shaft
• Bushing
Side Plate
CONTROL LINKAGE (3P HYDRAULIC SYSTEM)
Position Control Lever
Lift Arm
Condition
• Engine Speed:
Maximum
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
RELIEF VALVE (3P HYDRAULIC SYSTEM)
Relief Valve
Condition
• Engine Speed:
Maximum
• Oil Temperature:
40 to 60 °C (104 to 140 °F)
Item
Delivery at
No Pressure
Delivery at
2
, Rated Pressure
Delivery at
No Pressure
Delivery at
2
, 2417.9 psi) Rated Pressure
Depth of Scratch
Clearance
O.D.
I.D.
Thickness
Item
Operating Force
Free Play
Item
Setting Pressure
Factory Specification
18.6 L/min.
4.91 U.S.gals/min.
4.09 Imp.gals/min.
18.2 L/min.
4.81 U.S.gals/min.
4.00 Imp.gals/min.
30.6 L/min.
8.08 U.S.gals/min.
6.73 Imp.gals/min.
30.0 L/min.
7.93 U.S.gals/min.
6.60 Imp.gals/min.
–
0.020 to 0.081 mm
0.0008 to 0.0032 in.
14.970 to 14.980 mm
0.5894 to 0.5898 in.
15.000 to 15.051 mm
0.5906 to 0.5926 in.
2.48 to 2.50 mm
0.0976 to 0.0984 in.
Factory Specification
20 to 50 N
2.1 to 5.0 kgf
4.5 to 11 lbf
12 to 17 mm
0.48 to 0.66 in.
Factory Specification
16.7 to 17.2 MPa
170 to 175 kgf/cm
2420 to 2480 psi
8-S3
HYDRAULIC SYSTEM
Allowable Limit
–
15.2 L/min.
4.02 U.S.gals/min.
3.34 Imp.gals/min.
–
25.2 L/min.
6.66 U.S.gals/min.
5.54 Imp.gals/min.
0.09 mm
0.0035 in.
0.15 mm
0.0059 in.
–
–
2.40 mm
0.0945 in.
Allowable Limit
–
–
Allowable Limit
–
2
KiSC issued 11, 2014 A