ADJUSTMENT
Vertical Express Product Manual 2-27 88500 v.1.0
Adjustment Section I-2/I-3 Valve - Final Adjustments
I-2/I-3 Valve - Final Adjustments
Vertical Express power units have the manufacturing presets of the valve adjustments attached to the inside of the
controller. The preset values ensure movement of the car, and also reduce final adjustment time. Perform these
adjustments in the order given because they affect each other. For valves by other manufacturers, see the
manufacturer's product manual.
Before starting this section, verify that the Preliminary I-2/I-3 Valve Setup has
been performed. See the I-2/I-3 Valve component manual.
To be adjusted, the I-2/I-3 Valve requires a minimum static system pressure of
90 PSI.
Figure 9 - I-2/I-3 Valve Details
Low Pressure
Adjustment
Up Leveling
Adjustment
High Pressure
Relief
Up Start
Adjustment
Up Stop
Adjustment
Up Slowdown
Adjustment
Down Start
Adjustment
Down Stop
Adjustment
Down Slowdown
Adjustment
Manual Lowering Valve
Lowering and Leveling
Speed Adjustment
Tank Return Line
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