Section 4 • Repair Procedures
REV A
November 2005
4 - 26
GR-12 • GR-15 • GR-20
Part No. 84700
Function Manifold
Index
Schematic
No.
Description
Item
Function
Torque
—
Coil nut (items E, F and H) .......................................................................................................... 5 ft-lbs / 7 Nm
1
Diagnostic nipple ....................................... A ......................... Testing
2
Check disc ................................................. B ......................... Steer circuit ............................ 18 ft-lbs / 24 Nm
3
Relief valve,
3000 to 3200 psi / 207 to 221 bar .............. C ......................... Lift relief .................................. 20 ft-lbs / 27 Nm
4
Check valve, 10 psi / 0.7 bar ..................... D ......................... Drive circuit ............................. 20 ft-lbs / 27 Nm
5
Solenoid valve, 3 position 4 way ............... E ......................... Drive forward/reverse ............. 25 ft-lbs / 34 Nm
6
Solenoid valve, 3 position 4 way ............... F ......................... Steer left/right ......................... 25 ft-lbs / 34 Nm
7
Flow regulator and relief valve,
0.75 gpm / 2.8 L/min,
1500 psi / 103 bar ...................................... G ......................... Steer circuit ............................ 26 ft-lbs / 35 Nm
8
Solenoid valve, 2 position 4 way ............... H ......................... Platform up ............................. 25 ft-lbs / 34 Nm
9
Relief valve,
3500 psi / 241 bar maximum ..................... I .......................... System relief ........................... 20 ft-lbs / 27 Nm
6-1
Function Manifold Components
The function manifold is mounted next to the hydraulic power unit.