Komatsu Galeo PC138US-8 Shop Manual page 165

10 Structure, function and maintenance standard
2. When either or both travel valves are operated
(Including operation of only one travel valve)
Operation
Since pump merge-divider spool (1) is at the
q
separate position, LS circuits (PLS1) and
(PLS2) are separated.
The hydraulic oil (PLS1) flows from tip filter (a)
q
of LS bypass valve (2) through orifice (b) to
tank circuit (T).
PC138US, USLC-8
The hydraulic oil (PLS2) flows from tip filter (c)
q
of LS bypass valve (3) through orifice (d) to
tank circuit (T).
SEN02549-02
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