Genie GS-2668 RT, Service Manual

Page: 116 / 184

Section 4 • Repair Procedures
REV B
June 2007
4 - 54 GS-2668 RT • GS-3268 RT Part No. 112657
MANIFOLDS
Function Manifold Components, continued
Index Schematic
No. Description Item Function Torque
15 Priority flow regulator,
2 gpm / 7.6 L/min ................................. FO ....... Steer circuit ....................................... 25-30 ft-lbs / 34-41 Nm
16 Solenoid valve, 2 position 3 way ......... FP ....... Brake circuit ...................................... 20-25 ft-lbs / 27-54 Nm
17 Solenoid valve,
2 position 4 way N.O. .......................... FQ ....... Drive speed select circuit at the
steer end of the machine .................. 25-30 ft-lbs / 34-41 Nm
18 Solenoid valve, 3 position 4 way ......... FR ....... Controls flow to the steer end
drive motors in forward and
reverse .............................................. 25-30 ft-lbs / 34-41 Nm
19 Relief valve, 3500 psi / 241 bar ........... FS ....... Lift circuit ........................................... 15-25 ft-lbs / 20-34 Nm
20 Solenoid valve, 2 position 4 way ......... FT ....... Platform up ........................................ 25-30 ft-lbs / 34-41 Nm
21 Proportional solenoid valve N.O. ........ FU ....... Drive/lift circuit .................................. 25-30 ft-lbs / 34-41 Nm
22 Relief valve, 2800 psi / 193 bar ........... FV ....... Steer left/right .................................... 25-30 ft-lbs / 34-41 Nm
23 Counterbalance valve,
1000 psi / 68.9 bar ............................... FW ...... Improves braking performance ......... 30-35 ft-lbs / 41-47 Nm
24 Diagnostic nipple - Test port #2 .......... FX ....... Testing
25 Relief valve, 3000 psi / 207 bar ........... FY ....... Relief valve for number
two section of pump .......................... 15-25 ft-lbs / 20-34 Nm
26 Check valve ......................................... FZ ....... Steer circuit ....................................... 25-30 ft-lbs / 34-41 Nm
27 Diagnostic nipple - Test port #1 .......... FAA ..... Testing
28 Counterbalance valve,
2500 psi / 172 bar ................................ FAB ..... Improves braking performance ......... 30-35 ft-lbs / 41-47 Nm
29 Relief valve, 3500 psi / 241 bar ........... FAC .... Relief valve for number
one section of pump ......................... 15-25 ft-lbs / 20-34 Nm
30 Check valve ......................................... FAD .... Non-steer end drive circuit ................ 25-30 ft-lbs / 34-41 Nm
31 Flow divider/combiner valve ................ FAE ..... Controls flow to the non-steer end
drive motors in forward and reverse ..... 30-35 in-lbs / 3-4 Nm