Part No. 1268494
S-100 • S-105 • S-120 • S-125
3 - 95
March 2017
Section 3 • Repair Procedures
10-7
Function Manifold Components, S-120 and S-125 Models
(from serial number 575)
The function manifold is mounted to the turntable next to the ground controls.
Index
Schematic
No.
Description
Item
Function
Torque
1
Solenoid Valve Assembly,
3 position 4 way, DO3, 12V DC
......... BD ..........Boom up/down .......................................
30-35 in-lbs / 3-4 Nm
2
Solenoid Valve, 2 position 3 way
....... AA ..........
Auxiliary drive/steer selector
...............
25-27 ft-lbs / 34-37 Nm
3
Check Valve, 5 psi / 0.34 bar
............. AE ..........
Blocks flow from pump 2
to auxiliary pump
............................
12-14 ft-lbs / 16.3-19 Nm
4
Flow Regulator Valve,
3 gpm / 11.36 L/min
........................... AD ..........
Priority flow to platform
.................
23-25 ft-lbs / 31.2-33.9 Nm
5
Check Valve, 10 psi / 0.69 bar
........... AB ..........
Blocks flow from pump 1 and 2
to auxiliary pump
...............................
18-20 ft-lbs / 25-27 Nm
6
Solenoid Valve, 3 position 4 way
......
BC
..........Turntable rotate control,
left/right ..............................................
25-27 ft-lbs / 34-37 Nm
7
Proportional Solenoid Valve ............... BG ..........Turntable rotate,
proportional speed control .................
18-20 ft-lbs / 25-27 Nm
8
Differential Sensing Valve,
230 psi / 15.9 bar
............................... BP ..........
Directs flow to functions
......................
33-37 ft-lbs / 45-50 Nm
9
Check Valve
....................................... BL ..........Turntable rotate
load sense check ............................
12-14 ft-lbs / 16.3-19 Nm
10
Proportional Solenoid Valve ............... BB ..........
Boom extend/retract
proportional speed control .................
33-37 ft-lbs / 45-50 Nm
11
Check Valve, 5 psi / 0.34 bar
............. AF ..........
Blocks flow from auxiliary pump,
ports 2A and 3A to pump 2
................
25-27 ft-lbs / 34-37 Nm
12
Diagnostic Nipple ............................... TP ..........Testing
13
Relief Valve, 3000 psi / 206.8 bar
......
AC
..........Platform manifold
pressure limit ....................................
18-20 ft-lbs / 25-27 Nm
This list continues on the next page.
MANIFOLDS
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