Quick Coupler Solenoid Valve - Komatsu WA250-6 Shop Manual

Wheel loader

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600 Hydraulic system

Quick coupler solenoid valve

P: From work equipment control valve port B2

T: To work equipment control valve port A2

A: To coupler plunger head side

B: To coupler plunger bottom side

3. Check valve 1

4. Check valve 2

WA250, 250PZ-6

When an attachment is installed or removed,

the quick coupler solenoid valve changes the

oil flow for the coupler plunger electrically to

extract or retract the coupler plunger and con-

nect or disconnect the attachment and quick

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Wa250pz-6 75001