Boom Lift And Boom Extension Cylinders Manifold Components - Genie GTH-636 Service Manual

June 2007
REV C
7-16

Boom Lift and Boom Extension Cylinders Manifold Components

The manifolds are located on the respective cylinder(s).
Index
No. Description
1 Counterbalance valve ....................... PA .......... Left boom up/down circuit
2 Counterbalance valve ....................... PB .......... Right boom up/down circuit
3 Counterbalance valve ...................... QA .......... Boom extend circuit
4 Counterbalance valve ...................... QB .......... Boom retract circuit
1
2
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
(cab side) .......................................... 45-50 ft-lbs / 61-67 Nm
(exhaust side) ................................... 45-50 ft-lbs / 61-67 Nm
(barrel end) ....................................... 45-50 ft-lbs / 61-67 Nm
(rod end) ........................................... 45-50 ft-lbs / 61-67 Nm
PA
PB
QA
QB
Boom Extension
Cylinder Manifold
Section 4 • Repair Procedures
Torque
Boom Lift
Cylinder Manifold
MANIFOLDS
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