Komatsu Galeo PC138US-8 Shop Manual page 161

10 Structure, function and maintenance standard
2. When oil is divided: (PS) = 30 kg/cm
Function
Pump discharge pressures (P1) and (P2) are
q
divided in pump merge-divider spool (3).
(LS1), (LS2), and (LS3) are also divided.
At this time, higher one of (P1) and (P2) is
q
applied through pump merge-divider spool (3)
to the output port of the LS pressure.
As a result, there is not difference between (P)
q
and (LS) and the pump swash plate is set to
the maximum position.
PC138US, USLC-8
2
SEN02549-02
27