Operating Unit; Safety Features - Bosch VLH 4345 LA Originalbetriebsanleitung

en 30 | VLH 4x45 LA | Product description
5.8.6

Operating unit

Fig. 8: Operating unit
Item Designation Function
1 Master switch Lockable ON/OFF switch with
Emergency Stop function.
2 Mode selector Determines the function of the
switch buttons (3) and (4).
R Position 1: Buttons move the
R Position 2: Buttons move the
3 "Lift" The selected lifting device moves
button upwards for as long as the button
is pressed. Movement is stopped
in the following cases:
R Button is released.
R Upper limit value is reached.
4 "Lower" The selected lifting device moves
button downwards for as long as the
button is pressed. Movement is
stopped in the following cases:
R Button is released.
R Foot protection safety level (200
R Lower limit value is reached.
5 Setting-down Extends the detent pins and sets
button for runway down the lifting platform. Press
and hold the button until all four
detent pins are resting in the snap
latches.
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runway.
wheel-free scissor lift.
mm) is reached.
5.9

Safety features

¶
On erection and during operation, ensure proper
operation of the safety systems and perform checks
regularly and after any malfunctioning.
¶
Only ever have the lifting platform maintained
and repaired by Bosch customer service or
an authorized service agent with appropriate
certification.
¶
Always use genuine replacement parts. The
installation of parts from other manufacturers
renders the type approval and any warranty claims
invalid.
¶
In particular, make sure operation of the safety
systems listed below is always checked after any
malfunctioning.
Safety feature Function
EMERGENCY By way of the lockable yellow and red master
STOP switch.
function
Deadman The lifting (o) and lowering (u) functions
control
are only active while ever the corresponding
buttons are being pressed and held.
Foot protection Lowering of the runway is stopped
function automatically at a height of 200 mm (foot
protection safety level). In this case, release
the "Lower" button and check the area
under the runway. If it is safe to do so,
press the "Lower" button again. A warning
signal sounds and the runway continues to
move downwards until the basic position is
reached.
Slack cable Stops the lowering operation if one of the
safety system four suspension cables is no longer taut.
Refer to Section 5.8.3.
Cable break If a cable breaks, the cross member is caught
safety device by the safety bar. Refer to Section 5.8.3.
Overload The drive motor is protected by a
protection for temperature sensor. After overloading, the
drive motor lifting platform can be operated again after a
cooling-down time of 10 minutes.
Tab. 1: Safety features
Robert Bosch GmbH