Genie Industries Z-30/20, Руководство по обслуживанию

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Part No. 43063 Genie Z-30/20 7 - 27
Service Manual - Third Edition Section 7 - Repair Procedures
MANIFOLDS
How to Adjust the Turntable
Rotate Relief Valves
Perform this procedure with the
boom in the stowed position.
1 Connect a 0 to 3000 psi (0 to 206 bar) pressure
gauge to the test port on the function manifold.
2 Turn the key switch to ground control and lift up
the Emergency Stop Switch cover at the
ground controls and move the switch to the
ON
position.
3 Activate the function enable switch and hold the
turntable rotate right switch with the turntable
rotated to the right (until it is against the
rotation stop), and observe the pressure
reading on the pressure gauge.
4 Turn the machine off. Hold the relief valve and
remove the cap (item 15, function manifold).
If adjusting the turntable rotate
left, hold switch to the left and
adjust the left relief valve (item 16,
function manifold).
5 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Then install the relief
valve cap.
Tip-over hazard. Do not adjust
the relief valves higher than
recommended.
6 Repeat steps 2 through 3 and recheck the
valve pressure.
Turntable rotate relief valve specifications
Pressure 850 psi
58.6 bar
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 - Function Manifold
3 position 4 way DO3 solenoid valve - 20V
(schematic items E, F, G, H, J and L)
23 - 24
W