STEERING
BX1870,BX2370,BX2670,LA203A,LA243A,RCK48(P),RCK54(P),RCK60B,RCK60D,RCK54D, WSM
4-S4
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING
(1) Relief Valve
Relief Valve Operating Pressure
1. Disconnect the power steering hose L (or R) from steering
controller, and set a pressure gauge and hose.
(Reference)
• Hose and adaptor size: 9/16-18UNF, 37 ° flare
2. Start the engine and set at maximum speed.
3. Fully turn the steering wheel to the left (or right) to check the
feeling which the steering wheel lightly locks. Read the relief
valve operating pressure when the steering wheel to the
above-mentioned lock position by operation force at
approximately 9.8 N (1.0 kgf, 2.2 lbf) of outer.
• After set a pressure gauge, be sure to bleed air.
• Note that the pressure value changes by the pump action
of the power steering controller when the steering
operation is continued after the steering wheel is lightly
locked and accurate relief valve pressure cannot be
measured.
9Y1210855STS0004US0
[2] PREPARATION
(1) Separating Power Steering Controller
Battery
• When disconnecting the battery cables, disconnect the
negative cable from the battery first. When connecting,
connect the positive cable to the battery first.
1. Remove the under panel (1).
2. Disconnect the negative cable (3) from the battery.
9Y1210855FBS0008US0
Relief valve operating
pressure
Factory specification
8.34 to 8.82 MPa
85.0 to 90.0 kgf/cm
2
1210 to 1280 psi
(1) Under Panel
(2) Battery
(3) Negative Cable
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