Oil Flow - Kubota M8540 Workshop Manual

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M8540, M9540, WSM

[2] OIL FLOW

Oil pressure-fed from the power steering hydraulic

pump is flowed to the differential lock solenoid valve (3)

through the steering controller and oil cooler. When the

differential lock switch turned on, the differential lock

solenoid valve is electrified, the oil flow is switched and

engage the differential lock pin to lock position.

The maximum pressure against the clutch piston is

regulated under approx. 2.16 MPa (22.0 kgf/cm

psi) by the relief valve (2) of system pressure.

On the other hand, the return oil is flowed to the

transmission case through the valve case.

(1) 4WD Solenoid Valve

(2) Relief Valve

(3) Differential Lock Solenoid

(4) PTO Solenoid Valve

(5) PTO Clutch Pack

(6) 4WD Clutch Pack

(7) Differential Lock Piston

TRANSMISSION

A : Differential Lock Port

P : From Power Steering Pump

KiSC issued 09, 2008 A

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