Komatsu PC500LC-10R Shop Manual page 688

SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM
Symbol
90-10
Check valve
Intake port (with strainer)
Tank and return piping
Filter
Oil cooler
Stop valve
Drive shaft (1 way)
Drive shaft (reversible)
Hydraulic pump
Reference: ▲ in the figure shows outlet
Variable displacement hydraulic pump
Hydraulic motor
Reference: ▲ and ▼ in the figure show the direction of oil flow into hydraulic
motor, and as direction changes, the rotation of motor is reversed.
Servo piston
PPC valve
90 CIRCUIT DIAGRAMS
Content
PC500LC-10R