Vertical Express I-2 - Page 50

Reference Material I-2 / I-3 Valve
48 ©Vertical Express
Troubleshooting Flowcharts
(continued)
Flowchart 26
A
Put car on inspection.
Does the car run faster
than leveling speed?
Does car run at
leveling speed?
Set slowdown two turns
open.
Is slowdown more than
three turns open?
Is up leveling speed
adjusted in less than
four turns?
A
Flowchart 27
Adjust valve.
Is up fast energized?
Close up start adjustment.
Does the car run faster
than leveling speed?
Setatfourturnsin.
Replace up fast solenoid.
Verify proper performance.
Replace valve.
Adjust job.
Not a valve problem.
No
No
Yes
Yes Yes
No
Yes
No
No
Yes
No
Yes
B
Flowchart 27