U20-3, U25-3 WSM Hydraulic system (Service section)
IV-S-143
[4] Third line
1-way or 2-way CIRCUIT SELECTION
VALVE OPERATION
The selection valve which select 1-way or 2-way
circuit of service port has been installed on the
control valve.
When the breaker will be used, position the lever of
selection valve to the “OPENED” position (1-way
circuit) to reduce the back pressure.
IMPORTANT:
• When the equipment (auger, crusher,
telescopic arm, ...), which need 2-way circuit
will be used, position the lever to the
“CLOSED” position.
No. Part No. Part name Q'ty Remarks
11 RB419-9258Δ
Hydraulic hose (1/2. third line)
1
12 RD418-9640Δ
Valve assembly (third line)
1
13 RD418-9642Δ Bolt 1
14 RB419-9255Δ Plate (third line) 1
15 01123-60820 Bolt 2
16 RB419-9261Δ Hose (5/8-100, third line) 1
Fixed foot
RB419-9262Δ Hose (5/8-70, third line) 1
Movable foot
17 09318-89024Δ Hose clamp (screw type) 2
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