1
2
LRV-1 lift control valve
53/86
300-I-9010050-E-28/02.2012
4.3.4
Setting of the max. operating pressure (EN 81-2, art. 12.5.3)
Adjusting the maximum pressure
1.
Make sure that the pressure gauge shut-off screw is undone (the
pressure gauge indicates changing pressures in the lift system
without delay)
2.
Slacken the locknut (
2
)
3.
Turn cap nut (
1
) approx. 2turns counterclockwise
4.
Bypass the overload pressure switch (DZ)
5.
Press emergency-lowering lever until a relevelling is triggered and
close the ball valve immediately (before the relevelling is
completed)
6.
Slowly cap nut (
1
) clockwise until calculated pressure is reached
7.
Tighten locknut (
2
)
8.
Open the ball valve.
9.
Remove the bypass from the overload pressure switch (DZ)
10. Overwrite the value of the max. operating pressure given on the
nameplate (
⇒
page8, chapter1.5.1, item(10)) with the new value
The maximum pressure has been adjusted for the new situation
Installation and commissioning