COMPONENT LOCATIONS
2 - 13
CX EXCAVATORS
CONTROL VALVE PORTS
CX130 / CX160
Port Description
4A3 Bucket close
4B3 Bucket open
4A2 Boom lower
4B2 Boom raise
4A1 LH forward travel
4B1 LH reverse travel
5A5 Arm (dipper) retract (close)
5B5 Arm (dipper) extend (open)
5B2 RH swing
5A2 LH swing
5A4 Option circuit
5B4 Option circuit
5A1 RH forward travel
5B1 RH reverse travel
PR – PL Pump inlet, P1-P2
P0 – OPT Supply to option spool
R1 – R3 Plugged
R2
FL – FR Neutral de-stroke signal
PX1 Upper pressure switch
PX2 Travel pressure switch
PS1
DR1 – DR2 Leak-off return
PS2 Boom/Arm (dipper) anti-drift pilot pressure
R5 By-pass return
R4 To cushion valve heat circuit
Pi1 Swing priority
Pi2 Cut valve
Pi3 Arm (dipper) parallel circuit
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