Section 4 • Repair Procedures
MANIFOLDS
10-11
Platform Manifold Components, S-105 and S-125 Models
The platform manifold is mounted to the platform mounting weldment.
Index
No.
Description
1
Proportional solenoid valve,
3 position 4 way ................................ CH ........ Platform level up/down ..................... 18-20 ft-lbs / 24-27 Nm
2
Check valve ....................................... CF ......... Platform rotate circuit
3
Check valve ....................................... CJ ......... Platform level circuit
4
Proportional solenoid valve,
3 position 4 way ................................ CL ......... Jib boom up/down ............................ 18-20 ft-lbs / 24-27 Nm
5
Check valve ....................................... CN ........ Jib boom circuit
6
Accumulator, 500 psi / 34.5 bar ........ CQ ........ Hydraulic dampening .................................. 23 ft-lbs / 31 Nm
7
Differential sensing valve, N.O. ......... CM ........ Jib boom differential
8
Differential sensing valve, N.O. ......... CI .......... Platform level differential
9
Flow control valve,
0.1 gpm / 0.38 L/min .......................... CP ........ Bleeds off differential sensing
10
Differential sensing valve, N.O. ......... CE ........ Platform rotate differential
11
Shuttle valve ...................................... CK ........ Jib boom load sense circuit
12
Orifice - plug, 0.030 inch / 0.762 mm CB ........ Platform rotate left circuit
13
Orifice - plug, 0.030 inch / 0.762 mm CC ........ Platform rotate right circuit
14
Shuttle valve ...................................... CG ........ Platform level load sense circuit ....... 7.4-9 ft-lbs / 10-12 Nm
15
Shuttle valve ...................................... CA ........ Platform rotate load sense circuit ...... 7.4-9 ft-lbs / 10-12 Nm
16
Differential sensing valve, N.C. ......... CO ........ Directs flow to functions .................... 23-25 ft-lbs / 31-34 Nm
17
Proportional solenoid valve,
3 position 4 way ................................ CD ........ Platform rotate left/right ..................... 18-20 ft-lbs / 24-27 Nm
4 - 102
Schematic
Item
Function
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
valve to tank
sensing circuit ................................... 23-25 ft-lbs / 31-34 Nm
S-100 • S-105 • S-120 • S-125
June 2011
REV A
Torque
Part No. 102916