ADJUSTMENT
Vertical Express Product Manual 2-29 88500 v.1.0
Adjustment Section I-2/I-3 Valve - Final Adjustments
Valve Adjustment Up Section
(continued)
When operating the car from the controller, ensure all safety precautions are
followed.
7. Place the car on Automatic Operation.
8. Determine the stabilized leveling zone. The stabilized leveling does vary some
between runs with the I-2/I-3 Valve.
a. Note the average of 5 runs.
b. Adjust the Up Slowdown and Up Leveling speed (as necessary) to achieve
an average of 3-4 inches of Up Stabilized Leveling and 10-12 FPM of level-
ing speed.
Up Stop and Up Start Because Up Stop affects Up Start, Up Stop must be adjusted first.
Recommended = Minimum 1 turn more Up Start than Up Stop.
1. Adjust Up Stop for a soft but positive stop. See Figure 9 on page 2-27.
2. Adjust Up Start for a smooth but positive start.
3. Check to be certain full up speed is reached on a one-floor run, which may
require Up Start to be more positive; this does not apply to short floors (4-16
inches).
4. Slightly alter Up Slowdown to achieve optimum performance, if necessary.
Valve Adjustment Down Section
To avoid damage to the piston face and seat, never turn the Down Lowering
and Leveling Speed Adjustment unless the car is in motion or resting on the
buffers.
Lowering Speed (Down Fast Speed)
1. Place the car on Automatic Operation at the top floor.
2. Use the controller’s UIT (not logged in) to display the car speed.
IN (cw)
Up Stop Up Start
Stop Softer Start Smoother
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