300−7−10024540
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iValve Lift Control Valve5 Operating controls and indicators
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300-I-9010544-EN-01/10.2014
iValve i500
In the iValve i500, the hand pump and emergency-lowering facility are
separated. The car can be moved upward with the hand pump when
needed, and downward by means of the emergency-lowering facility.
Hand pump
300−7−10024540
Emergency lowering
DANGER!
Car descent
Can lead to death or serious injuries.
Before operating the emergency-lowering valve, make sure that
there are no people or materials in the lift shaft.
The car is lowered by pressing the lever of the emergency-lowering
valve.
Note: The minimum preload pressure of 6bar remains
(prevents slack-rope build-up as per EN81-2, sect. 12.9.1.5).
Temporary deactivation of preload pressure
For the purpose of checks or maintenance the preload can be
temporarily deactivated.
If no other M3-screw is ready to hand:
1. Remove the fastening screw from a solenoid plug
2. Screw the M3-screw into the opening (1) of the lever of the
emergency-lowering valve
In order to deactivate the preload pressure:
3. Pull the M3-screw and simultaneously press the lever of the
emergency-lowering valve
4. Undo the M3-screw from the lever of the emergency lowering
If the M3-screw had been undone from the solenoid plug:
5. Screw the M3-screw back into the solenoid plug
Reference: 300-I-9010544-EN-01
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