Genie GTH-1048, Service Manual

Page: 111 / 214

Section 4 • Repair Procedures March 2015
4 - 42 GTH-1048 • GTH-1056 Part No. 123701
Manifolds
7-1
Primary Function Manifold Components -
Models with Single Joystick
The primary function manifold is located under the manifold inspection cover.
I ndex Schematic
No. Description Item Function Torque
1 Solenoid valve, 2 position 4 way ...... AA .......... Function select -
boom extend and sway left ......................... 20 ft-lbs / 27 Nm
2 Directional valve,
3 position 4 way, pilot operated ........ AB .......... Boom extend/retract ........................ 65-75 ft-lbs / 88-101 Nm
3 Directional valve,
3 position 4 way, pilot operated ....... AC .......... Boom up/down ................................ 65-75 ft-lbs / 88-101 Nm
4 Solenoid valve, 2 position 4 way ..... AD .......... Function select -
boom down and fork tilt down ..................... 20 ft-lbs / 27 Nm
5 Directional valve,
3 position 4 way, pilot operated ........ AE .......... Fork tilt up/down ................................ 46-54 ft-lbs / 61-72 Nm
6 Relief valve, 3500 psi / 241 bar ........ AF .......... Fork tilt up relief .......................................... 20 ft-lbs / 27 Nm
7 Check valve, pilot operated
100 psi / 6.9 bar ............................... AG .......... Fork tilt down circuit .................................... 25 ft-lbs / 34 Nm
8 Check valve, pilot operated
100 psi / 6.9 bar ............................... AH .......... Fork tilt up circuit ......................................... 25 ft-lbs / 34 Nm
9 Relief valve, 3500 psi / 241 bar ........ AI ........... Fork tilt down relief ...................................... 20 ft-lbs / 27 Nm
10 Relief valve, 3500 psi / 241 bar ........ AJ .......... System relief ............................................... 25 ft-lbs / 34 Nm
11 Diagnostic nipple .............................. AK .......... Test port 'LS'
12 Flow regulator valve,
0.1 gpm / 0.4 L/min ........................... AL .......... Load sense drain circuit .............................. 20 ft-lbs / 27 Nm
13 Check valve, 5 psi / 0.3 bar ............. AM .......... Sway right circuit ............................... 12-14 ft-lbs / 16-19 Nm
14 Priority flow regulator valve,
2 gpm / 7.6 L/min ............................. AN .......... Sway left/right circuit ................................... 20 ft-lbs / 27 Nm
15 Check valve, 5 psi / 0.3 bar ............. AO .......... Sway left circuit ................................. 12-14 ft-lbs / 16-19 Nm