Behaviour In Emergencies; Checking The Safety Devices - probst SH-2500-UNI-B Instructions D'emploi

Operating Instructions
SH 2500-UNI-B
3.11

Behaviour in Emergencies

An emergency situation exists when
●
power suddenly fails (device switches off),
●
the vacuum pressure drops below -0.6 bar to the red section on the scale of the vacuum gauge.
Lower the load immediately if possible. If this is not possible, immediately leave the dangerous area near the
load, since it will be dropped from the device.
3.12

Checking the Safety Devices

The lifting device is equipped with
following safety devices:
Check safety devices:
Checking the Vacuum Gauge and the
Warning Device
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Safety
●
vacuum gauge with red danger zone
●
warning device, audible (optional)
Check these devices at the beginning of each shift (when operating in shifts) or once
a week (when operating continually).
●
at the beginning of each shift when operation is interrupted, or
●
once a week for continuous operation

Switch on the lifting device.

Place the lifting device on a sheet metal plate or similar and suck in the plate.

Attention: Only suck in the plate, do not lift it! The plate can come loose during
the inspection and fall down.
If the vacuum is built up, create a leak at the sealing lip of the suction plate. The
vacuum at the manometer decreases. When the pointer reaches the red danger
zone, the warning device must give an alarm.
To ensure that the warning device operates safely, always test the device for
function before each use.
1. The function test is performed at ambient temperature without an attached
workpiece
(manometer shows 0 mbar).
2. Press button for approx. 1 second
3. Evaluate the signal tone:
Signal tone approx. 2 sec. → Function test successful. → Warning device ready for
operation.
Very short signal tone (10 ms) → Battery voltage too low → Replace the batteries or
sensor faulty → Replace entire warning device
No signal tone at all → Batteries dead → Replace the batteries oder Electronics faulty
→ Replace entire warning device.
Note: A short signal tone of 10 ms is necessary for technical reasons to test the voltage
of the batteries.
(For further information see separate operating instructions in the appendix)
V7 GB