July 2019 Service and Repair Manual
Manifolds
Part No. 1286829GT S-40 XC • S-45 XC • S-40 TraX • S-45 TraX 63
Function Manifold Components, continued
Schematic
Item
Relief valve 1950 psi / 134 bar
Q
Limit boom extend pressure
20-25 ft-lbs / 27-
Nm
N
Compensate for pressure
variation
-37 ft-lbs / 45-
Differential sensing valve
U
Compensate for pressure
variation
30-35 ft-lbs / 41-
Nm
S
Redundant pressure limit for
oscillate circuit
-55 ft-lbs / 68-
Solenoid Valve. spool type
Y
Primary boom up/down selector
-30 ft-lbs / 35-
Solenoid Valve. NO, poppet
P
33-37 ft-lbs / 45-
Nm
Solenoid Valve, spool type
V
Turntable rotate left/right selector
26-30 ft-lbs / 35-
Nm
H
8-10 ft-lbs / 10-
Solenoid Valve, spool type
K
Steer left/right selector
26-30 ft-lbs / 35-
Nm
I
5-7 ft-lbs / 7-
Solenoid Valve, 2 position 3 way
D
Motor displacement control
26-30 ft-lbs / 35-
Nm