HYDRAULICS – CX130/CX160
5 - 40
CX EXCAVATORS
FEATURES
Main Relief Valve
The Main Relief has two adjustments:
Standard Main Relief pressure
Power Boost Pressure
When pilot signal port is pressurized, power boost piston shifts to the position shown.
Thus the pilot spring force rises, and pressure increases (POWER BOOST).
1. In H or S mode, when the one-touch power boost switch is pressed, power boost
operation is executed for 8 seconds.
2. In L mode power boost is on full time.
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