Komatsu PC200-8M0 Shop Manual page 183

402 Hydraulic system, Part 2
Functions and operation by valve
When pilot pressure (PST) is supplied (travel independent)
When pilot pressure (PST) from the travel junction solenoid valve is supplied, travel junction spool (2)
q
compresses spring (1) to the left side and ports (PTL) and (PTR) are disconnected.
q The oil flow rate to both right and left motors becomes independent.
PC200, 200LC, 220, 220LC-8M0
SEN06120-00
41
10-402