Komatsu Galeo PC800-8 Shop Manual page 272

SEN00386-03
Outline
• To maintain the drawbar pull when traveling, the
cut-off is canceled and the main relief pressure is
raised from 31.4 MPa {320 kg/cm
{350 kg/cm }.
2
Operation
When traveling
When not traveling
30
} to 34.3 MPa
2
Pressure increase solenoid
valve
Energized
De-energized
10 Structure, function and maintenance standard
Main relief valve
set pressure
34.3 MPa
{350 kg/cm 2 }
31.4 MPa
{320 kg/cm 2 }
CO valve
Canceled
Actuated
PC800, 850-8