Manually Equalisation Of The Lifting Carriage; Adjusting Of The "Limit Switch - Nußbaum Hebetechnik 2.30 SL E Operating Instruction And Documentation

7.4 Manually equalisation of the carriage
The lift is equipped with a position measuring system which guarantee the
synchronisation of the lift. The electrical control recognizes if one lifting carriage is
approx. 18 mm earlier at the definite height. The electrical control stopped the motor of
this carriage until both carriage have the same height again. After it both motors are
working together again.
If the carriages of the lift are driving out of the regulation range/switching off window
of approx. 36 mm (since 9/99 64 mm), the electrical control recognizes this and
switched off the lift.
To reach the normal function of the lift you must equal manually the carriages. Remove
the cover of the V-Belt pulley at the top of the lift. Equal the lift: turn one nut until the
carriage have the same height.
7.5 Adjusting of the top limit switch and the bottom limit switch
The operating unit of the lift is equipped with potentiometer. One is for the top limit
switch and one is for the bottom limit switch. The Potentiometer may from safety
reasons being only adjusted by trained person.
Out of safety reasons: The Potentiometer only may be adjusted by competent trained
persons.
• Pull the main plug before the maintenance or repair.
It is possible if the adjustments are wrong that the lift has malfunctions. It is
danger for your life for the lift and the vehicle.
• Loose the screws of the operating unit. Pull it careful out of the column. (pic. G)
• If the Potentiometer 3 (top-limit) is turned anticlockwise, the upper end-point has
been moved up. The lift stops later.
Operating Instruction and Documentation
2.30 SL E
gic. G
3 Potentiometer for the upper end-point
4 Potentiometer for the lower end-point
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