STEERING
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
7-S5
4. CHECKING AND ADJUSTING
[1] STEERING CONTROLLER
Relief Valve Setting Pressure Test
1. Disconnect the power steering hose LH.
2. Install the power steering tee fitting adaptor to the steering
cylinder and connect the power steering hose LH.
3. Install the adaptor D to the power steering tee fitting adaptor and
set the cable and pressure gauge.
4. Start the engine and set the engine speed at maximum speed.
5. Fully turn the steering wheel to the left and read the pressure
when the relief valve functions.
6. Stop the engine.
7. If the pressure is not within the factory specifications, check the
pump delivery line and regulator setting pressure or replace the
steering controller assembly.
Condition
• Engine speed:
Maximum
• Oil temperature:
40 to 60 °C (104 to 140 °F)
9Y1211167STS0004US0
Power steering
relief valve setting
pressure
Factory
specifica-
tion
L3540-II,
L4240-II
10.7 to 11.7 MPa
110 to 119 kgf/cm
2
1560 to 1690 psi
L5040-II,
L5240-II,
L5740-II
12.7 to 13.7 MPa
130 to 139 kgf/cm
2
1850 to 1980 psi
Tightening torque
Power steering hose
retaining nut
25 to 29 N·m
2.5 to 3.0 kgf·m
18 to 21 lbf·ft