Quick Reference - Vertical Express I-2 Manual

I-2 / I-3 Valve

Quick Reference

Slowdown and Floor Approach
This illustration explains the effects of slowdown point and rate adjustments on car stabilized leveling distances. These
adjustments should be referenced as needed, specifically during final valve adjustments or subsequent service calls.
Top
Speed
Selector Slowdown Point
Top
Speed
(excessive leveling distance)
Top
Speed
(excessive leveling distance)
• UP SLDN Screw: IN = Shorter leveling distance, increased leveling speed, softer feel to slowdown.
•
August 2019 - 89130 v.3.0
3"-4" of
stabilized leveling
P17/P18
Car Position
"-4" of leveling distance. If the car
P17/P18
Selector Slowdown Points
(no leveling distance,
P17/P18
too large
Car Position
"-4"
P17/P18
Selector Slowdown Point
Valve Slowdown
too aggressive
Car Position
"
Use either of these:
"-4",
car re-levels)
3"-4" of
stabilized leveling
Valve Slowdown too soft
(no leveling distance,
car re-levels)
3"-4" of
stabilized leveling
Reference Material
"-4"),
63