wsm L4701 User Manual

HYDRAULIC SYSTEM
L3301, L3901, L4701, WSM
8-S12
(2) Power Steering System
[A] L3301/L3901
Relief Valve Setting Pressure
1. Disconnect the power steering delivery pipe joint bolt.
2. Install the adaptor E instead of joint bolt, and then set a thread
joint, cable and pressure gauge.
3. Start the engine and set the engine speed at max. speed.
4. Fully turn the steering wheel to the left or right and read the
pressure when the relief valve functions.
5. Stop the engine.
6. If the pressure is not within the factory specifications, check the
pump delivery line, and adjust relief valve setting pressure by
turning adjusting screw (1).
[L3301]
[L3901]
Condition
• Engine speed:
Maximum
• Oil temperature:
40 to 60 °C (104 to 140 °F)
(Reference)
• Setting pressure change approx. 1.27 MPa (13 kgf/cm
2
,
180 psi) per adjusting screw 1/4 turn.
• When turn the adjusting screw clockwise, setting pressure
increase.
9Y1211012STS0008US0
Relief valve
(power steering)
setting pressure
Factory
specifica-
tion
2WD
8.3 to 9.3 MPa
85 to 95 kgf/cm
2
1200 to 1300 psi
4WD
11.4 to 12.4 MPa
116 to 126 kgf/cm
2
1650 to 1790 psi
Relief valve
(power steering)
setting pressure
Factory
specifica-
tion
2WD
8.1 to 9.1 MPa
83 to 93 kgf/cm
2
1200 to 1300 psi
4WD
11.1 to 12.1 MPa
113 to 123 kgf/cm
2
1610 to 1740 psi
Tightening torque
Power steering delivery
pipe joint bolt
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
PS relief pressure adjusting
screw lock nut
33 to 46 N·m
3.4 to 4.6 kgf·m
25 to 33 lbf·ft
(1) Adjusting Screw (2) PS Relief Pressure Adjusting Screw
Lock Nut
KiSC issued 09, 2016 A

wsm L4701 Specifications

General

Brand	wsm
Model	L4701
Category	Tractor
Language	English