Controller Relief (Drop Block) Manifold; Gth-636, Gth-1048 And Gth-1056 - Genie GTH-636 Service Manual

Section 4 • Repair Procedures
MANIFOLDS
7-15
Controller Relief (Drop Block) Manifold Components

GTH-636, GTH-1048 and GTH-1056

The controller relief valve manifold is located inside the frame rail between the cab and the rear axle
support bulkhead on the cab side of the machine.
Index
No. Description
1 Solenoid valve, 2 position 2 way
with manual override ....................... OA .......... Disengages hydraulic pump ....................... 20 ft-lbs / 27 Nm
Coil nut .................................................................................................................................. 40 in-lbs / 4.5 Nm
1
Note: 'alpha' callouts refer
to corresponding notes on
the hydraulic schematic;
alphanumeric callouts refer
to the electrical schematic
4 - 62 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
Schematic
Item Function
Y77
OA
June 2007
REV C
Torque
Part No. 97487