Preliminary Adjustments I-2 / I-3 Valve
10 ©Vertical Express
Preliminary Adjustments
When operating the elevator from the controller, follow all safety precautions.
1. Ensure that the car is empty and the manual lowering valve is closed.
2. Turn OFF, Lockout, and Tagout the mainline disconnect.
3. Disconnect the solenoid wire from the controller to disable the up slow solenoid. See
the appropriate controller diagrams.
4. Place the controller on Inspection Operation to disable the up fast solenoid.
The type of controller determines how Inspection Operation is accomplished.
5. Turn the power on, and start the motor.
6. Turn the low pressure adjustment IN just until the car starts to move.
7. Turn the low pressure adjustment OUT until the car movement stops.
8. After the car stops, turn the low pressure adjustment OUT an additional half turn.
9. On valves marked with SP on the cover plate or the valve nameplate:
a. Turn the low pressure adjustment OUT 3 turns.
b. Start and stop the car to check for excessive delay between the motor starting and
the car moving.
c. If there is excessive delay, turn the low pressure adjustment IN slightly.
d. Repeat steps b and c until the excessive delay is eliminated.
10. Tighten the locknut.
11. Stop the motor, and turn the power off.
12. Remove any jumpers that may have been used.
13. Reconnect the up slow solenoid wire to the controller.
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