Function Manifold; Function Manifold Components - Genie GR-20J Service Manual

Section 4 • Repair Procedures

Function Manifold

7-1

Function Manifold Components

The function manifold is mounted underneath the hydraulic power unit.
Index
No. Description
1 Filter,
Filter cap .................................................... H ......................... Suction filter ............................ 37 ft-lbs / 50 Nm
2 Solenoid valve, 2 position 4 way ............... B ......................... Steer/Turntable directional ..... 18 ft-lbs / 25 Nm
3 Check valve ............................................... I .......................... Blocks flow from auxiliary
4 Solenoid valve, 2 position 2 way ............... D ......................... Platform up ............................. 18 ft-lbs / 25 Nm
5 Solenoid valve, 2 position 4 way ............... C ......................... Turntable rotate left/right ........ 18 ft-lbs / 25 Nm
6 Solenoid valve, 2 position 2 way ............... E ......................... Platform down and jib down ... 18 ft-lbs / 25 Nm
7 Relief valve,
930 psi / 64 bar .......................................... G ......................... Platform up ............................. 18 ft-lbs / 25 Nm
8 Solenoid valve, 2 position 4 way ............... A ......................... Steer left/right ......................... 18 ft-lbs / 25 Nm
9 Relief valve,
2030 psi / 140 bar ...................................... F ......................... System relief ........................... 18 ft-lbs / 25 Nm
4 - 30
Schematic
Item Function
GR-20J • GR-26J
September 2016
Torque
pump to function pump . 29 ft-lbs / 40 Nm
Part No. 227656