Page 36
XX69RT Series - Service & Parts Manual
November 2022
Section 7 - Schematics
Identification
Description
Function
C1
Check Valve
Prevents backflow to Steer Load Sense Circuit
C2
Check Valve
Prevents backflow to circuit when LS port is used
I
Shuttle Valve
Provides load sense signal to Valve A
A
Flow Compensator
Controls flow in Load Sense Circuit
R1
Relief Valve
Main System Pressure Relief
H
Flow Regulator
Reduces flow to Outriggers, Lift
R2
Relief Valve
Limits pressure to Lift Circuit
R3
Relief Valve
Limits pressure to Axle Circuit
Z
Flow Regulator
Reduces flow in Load Sense (Pilot) Circuit
R4
Cross-Port Relief Valve
Controls pressure on both Steering Circuits
B
Flow Regulator
Reduces flow to Steering Circuit
K
Sequence Valve
Limits pressure to Axle Circuit when S7 energized
S7
Solenoid Valve
Bypasses flow to Axle Circuit when elevated
S3
Solenoid Valve
Controls flow to Left Axle Cylinder
S4
Solenoid Valve
Controls flow to Right Axle Cylinder
S2
Solenoid Valve
Controls flow to Lift Cylinder
S1
Solenoid Valve
Controls flow directionally to Steer
G
Priority Flow Valve
Control flow with priority to Axle Circuit
Y
Flow Compensator
Controls flow through Valve D referencing pressure
D
Proportional Valve
Controls flow to all function
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