Bosch VLE 21 Series, Repair Instructions

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1 689 975 224 2013-11-06
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Robert Bosch GmbH
Emergency lowering | VLE 21xx | 45 en
9.2 Emergency lowering with motor
operation
Emergency lowering with motor operation can be
implemented if the electronic control system fails.
!
There is no automatic end position cut-out during
emergency movement. Movement as far as the
mechanical end stops could lead to damage.
!
All movement is to be performed with the utmost
care and only in short pulse steps.
i
If the loadbearing elements are not at the same
level, it may be possible to bring them back into line
by mechanically actuating just one contactor.
9.2.1 VLE 2130 and VLE 2130 F
Contents Emergency lowering with motor operation
Applicability VLE 2130, VLE 2130 F
1.
Set the master switch to "I".
2. Mechanically actuate contactor K1 to lower the
vehicle.
Fig. 21: Contactor
K1 – Contactor for control column/lifting and lowering (motor 1)
9.2.2 VLE 2130 E
Contents Emergency lowering with motor operation
Applicability VLE 2130 E
1. Set the master switch to "I".
2. Mechanically actuate contactors K1 and K2 to lower
the vehicle.
Fig. 22: Contactors
K1 – Contactor for control column (motor 1)
K2 – Contactor for secondary column (motor 2)
9.2.3 VLE 2130 EL and VLE 2140 EL
Contents Emergency lowering with motor operation
Applicability VLE 2130 EL, VLE 2140 EL
1. Set the master switch to "I".
2. Mechanically actuate contactors K2 and K4 to lower
the vehicle.
Fig. 23: Contactors
K1 – Contactor for control column/lifting (motor 1)
K2 – Contactor for control column/lowering (motor 1)
K3 – Contactor for secondary column/lifting (motor 2)
K4 – Contactor for secondary column/lowering (motor 2)