Safety
JUMBO-BV-VARIO-B
V2
26/07/16
15 / 40
4.9.1
Inspecting the vacuum hoses and hose clamps
●
Check that all vacuum hoses and hose clamps are securely seated. Tighten any loose connections.
4.9.2
Testing the vacuum reservoir
●
See the sub-section "Leak test" in the section ”Maintenance”
Danger
●
Rectify any detected faults before using the lifting device. If a fault becomes apparent during,
switch off the lifting device and rectify the fault.
4.10
Protective equipment
The protective equipment must consist, according to
the safety regulations of the following parts:
●
Protective clothing
●
Safety gloves
●
Safety shoes
●
Hearing protector
4.11
Behaviour in Emergencies
Danger
An emergency situation exists when
●
power suddenly fails (device switches off),
●
the vacuum pressure drops below -0.42 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.
4.12
Checking the Safety Devices
The lifting device is equipped with
following safety devices:
●
vacuum gauge with red danger zone
●
warning device, audible
Check these devices at the beginning of each shift (when operating in shifts) or
once a week (when operating continually).
Checking the Vacuum Gauge and
the Warning Device
Attention
Warning device monitors the operating vacuum and power failure
Switch on the lifting device.
Place the lifting device on a stone slab or similar material and apply vacuum.
Caution
: Simply apply vacuum to attach the suction pads to the stone slab. Do not
lift the
stone slab
, since it may be dropped during the test!
When the vacuum has built up, lift the edge of a suction pad to create a leak.
The reading on the vacuum gauge decreases. When the vacuum drops below
–0.42 bar, the warning device must sound.
Checking the Vacuum Hoses and
Hose Clamps:
Check all vacuum hoses and clamps for proper mounting and tighten the clamps if
necessary.
Checking the Vacuum Reservoir
See “Testing for Leaks"“ in chapter “Maintenance“
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