Genie Industries Z-30/20, Service Manual

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7 - 30 Genie Z-30/20 Part No. 43063
Service Manual - Third Edition Section 7 - Repair Procedures
7-4
Proportional Manifold Components
The Proportional Manifold is located on the turntable underneath the function manifold cover.
Index Schematic
No. Description Item Function Torque
1 Proportional solenoid valve ............... P ........... Boom functions ................................. 10-12 ft-lbs (14-16 Nm)
2 Differential sensing Valve .................. O ........... Differential sensing circuit ................. 10-12 ft-lbs (14-16 Nm)
Plug Torque Specifications
Description Hex Size Torque
SAE No. 2 1 /
8
50 in-lbs / 6 Nm
SAE No. 4
3
/
16
13 ft-lbs / 18 Nm
SAE No. 6
1
/
4
18 ft-lbs / 24 Nm
SAE No. 8
5
/
16
50 ft-lbs / 68 Nm
SAE No. 10
9
/
16
55 ft-lbs / 75 Nm
SAE No. 12
5
/
8
75 ft-lbs / 102 Nm
How to Check the Resistance
of a Valve Coil
1 Turn the key switch to the
OFF
position and
disconnect the wires from the valve coil to be
tested.
2 Connect the leads from the ohmmeter to the
valve coil terminals.
Valve coil specifications
Proportional solenoid valve - 24V 19 - 20
W
(schematic item P)
MANIFOLDS