Relief Valve (Power Steering) - Kubota MX5100 Workshop Manual

MX5100, WSM

(2) Relief Valve (Power Steering)

Power Steering Relief Valve Setting Pressure
1. Disconnect the power steering delivery pipe joint bolt.
2. Install the adaptor 1 (5) and the adaptor 2 (6) to the regulator
valve, and then set the thread joint (7), the cable (8) and the
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, adjust the relief valve by the adjusting screw
(1), or repair the power steering.
Power steering relief Factory
valve setting pressure spec.
(Reference)
• Install the spring (4) and check valve (3) firmly.
• Install the copper washers firmly.
Power steering main
Tightening torque
delivery hose joint bolt
Condition
• Engine speed : Maximum
• Oil temperature : 40 to 60 °C (104 to 140 °F)
(1) Power Steering Main Delivery Hose
(2) Joint Bolt
(3) Hydraulic Pump
(4) Power Steering Cylinder Delivery
Hose
(5) Adaptor 1
7-S7
STEERING
10.7 to 11.7 MPa
2WD 109 to 119 kgf/cm
1552 to 1697 psi
12.7 to 13.7 MPa
4WD 130 to 140 kgf/cm
1849 to 1991 psi
49.0 to 58.8 N·m
5.0 to 6.0 kgf·m
36.2 to 43.4 lbf·ft
(6) Adaptor 2
(7) Thread Joint (07916-50340)
(8) Cable (07916-50330)
(9) Spring
(10) Check Valve
2
2
W1022630