Service manual

7 - 38 Genie GS-1530 & Genie GS-1930 Part No. 39528
Service Manual - First Edition
Section 7 - Repair Procedures
6-1
Function Manifold Components
The function manifold is mounted inside the hydraulic power unit module.
Function Manifold
Index Schematic
No. Description Item Function Torque
1 Flow regulator, 0.5 gpm (1.9 L/min) .. A ........... Steer circuit ....................................... 35-40 ft-lbs (47-54 Nm)
2 Orifice washer, 0.040 in (1 mm) ....... B ........... Steer circuit
3 Relief valve, 1200 psi (82.7 bar) ....... C ........... Steering relief .................................... 25-30 ft-lbs (34-41 Nm)
4 Relief valve,
GS-1530, 3200 psi (220.6 bar) ......... D ........... System relief .....................................25-30 ft-lbs (34-41 Nm)
GS-1930, 3700 psi (255.1 bar) ......... D ........... System relief .....................................25-30 ft-lbs (34-41 Nm)
5 Orifice plug, 0.025 in (0.6 mm) ......... E ........... Brake circuit
6 3 position 4 way solenoid valve......... F ........... Steer left/right ................................... 18-20 ft-lbs (24-27 Nm)
7 2 position 4 way solenoid valve......... G ........... Platform up ....................................... 23-25 ft-lbs (31-34 Nm)
8 Orifice washer, 0.060 in (1.5 mm) .... H ........... Brake circuit
9 2 position 2 way solenoid valve,
N. O. .................................................. I ............ Brake circuit ...................................... 18-20 ft-lbs (24-27 Nm)
10 3 position 4 way solenoid valve......... J ............ Drive forward/reverse .......................18-20 ft-lbs (24-27 Nm)
11 Check valve ....................................... K ........... Brake circuit ......................................35-40 ft-lbs (47-54 Nm)
12 Check valve (machines after
serial number 1885 only) ................... L ........... Steer circuit ....................................... 35-40 ft-lbs (47-54 Nm)
13 Diagnostic fitting ................................ M .......... Testing
Plug Torque Specifications
Description Hex Size Torque
SAE No. 2
1
/8 50 in-lbs / 6 Nm
SAE No. 4
3
/16 13 ft-lbs / 18 Nm
SAE No. 6
1
/4 18 ft-lbs / 24 Nm
Description Hex Size Torque
SAE No. 8
5
/16 50 ft-lbs / 68 Nm
SAE No. 10
9
/16 55 ft-lbs / 75 Nm
SAE No. 12
5
/8 75 ft-lbs / 102 Nm