Nussbaum UNI-LIFT 2500, Инструкция по эксплуатации и документация

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Operating Instruction and Documentation
UNI-LIFT 2500
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6.2 Emergency lowering
A emergency lowering is an intervention into the control of the lift and can be planned
only by experienced expert.
The emergency lowering must be carried in this order. Otherwise a malfunction can
lead it to damages or lead to danger for body and lives.
The emergency lowering can only be performed when the ratchets are not engaged.
The emergency lowering must only be performed by persons instructed to use the lift.
Please refer to the regulation ”Lowering”.
• Raise the safety ratchet with a device and put an object (wood, height 30 mm) between the
hydraulic cylinder and the safety ratchet so the teeth of the ratchets can not engaged in the
ratchet strip (see Pic). Make these process on both cylinder.
Pic 3:
1 safety ratchet
2 hydraulic cylinder of the ratchet
3 block (height 30 mm)
4 hydraulic cylinder
5 ratchet strip
• Control the dangerous places of the lift and be sure that there are no objects or
people in the immediate area of the lift or on the lift.
• Loose the red lockout.
• Open the emergency lowering screw slowly. The lowering process starts. Observe the
emergency lowering. Close the screw with danger .
• Lower the lift in the lowest position.
• After the emergency lowering, the lift must shut down until the defective parts has been
changed.
Pic 4: Position of the emergency lowering screw.