Control Block Manifold Components - Genie GTH-636 Service Manual

June 2007
REV C
7-6

Control Block Manifold Components

The control block manifold is located on the front of the hydraulic tank at the cab side of the machine.
Index
No. Description
1 Adjustable needle valve ................... FA .......... Chassis sway speed ......................... 30-35 ft-lbs / 40-47 Nm
Adjustment nut ..................................................................................................................... 108 in-lbs / 12 Nm
2 Pressure reducing/relief valve,
pilot operated, 500 psi / 34.5 bar ...... FB .......... Pilot pressure for boom up/down,
3 Pressure reducing/relief valve,
pilot operated, 2250 psi / 155 bar ..... FC .......... Steer left/right and
4 Check valve ...................................... FD .......... Brake circuit ...................................... 30-35 ft-lbs / 40-47 Nm
1
4
Note: 'alpha' callouts refer
to corresponding notes on
the hydraulic schematic
Part No. 97487 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
Schematic
Item Function
boom extend/retract and parking
brake circuits ..................................... 30-35 ft-lbs / 40-47 Nm
fork rotate (option) circuits ................ 30-35 ft-lbs / 40-47 Nm
FA
FD
Section 4 • Repair Procedures
Torque
FB
FC
MANIFOLDS
2
3
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