I-2/I-3 Valve Installation Section
©Vertical Express 1-16 Printed in USA April 2020
Low Pressure Adjustment
(continued)
6. Turn the power ON, and use the runbug to start the motor.
7. Turn the Low Pressure adjustment screw IN just until the car starts to move.
8. Turn the Low Pressure adjustment screw OUT until the car movement stops.
9. After the car stops, turn the Low Pressure adjustment screw OUT an additional one-
half turn.
10. Tighten the locknut.
11. Stop the motor, and turn the power OFF.
12. Reconnect CON15 to enable the valve’s up slow solenoid.
Figure 12 - I-2/I-3 Valve
Low Pressure
Adjustment
Manual Lowering Valve
Lowering & Leveling
Speed Adjustment
Down Slowdown
Adjustment
Down Stop
Adjustment
Up Leveling
Adjustment
Down Start
Adjustment
Up Start
Adjustment
Up Stop
Adjustment
Up Slowdown
Adjustment
High Pressure
Relief Adjustment
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