Readjustment Of The Polyflex Belt; Check / Exchange The Lift Nut System - ATT Nussbaum SMART LIFT 2.30 Manuel D'exploitation

• Make sure that there is no residue of the cleaner
on the lift.
• Dry the lift with a cloth and spray it with a spray
wax or oil.
• Moving parts (bolts, bearing zones) are to be lu-
bricated or oiled according to instructions.
• When cleaning the workshop floor ensure that no
aggressive cleaning materials come into contact
with lift surfaces. Permanent contact with any
kind of liquid is prohibited.
7.3 Readjustment of the polyflex belt
When exchanging the drive belt, the belt tension
must be readjusted. For this, remove the v-belt cov-
er.
Subsequently the v-belt tension on the tensioning
element is reset (figure 14). For this, the 3 fastening
screws of the motor (Figure 14, no. 1) are slightly
relaxed by one rotation. On the adjusting screws
(Figure 14, no. 2) the v-belt can now be relaxed or
tensioned accordingly.
The polyflex belt is set to the corresponding belt
deflection with the aid of accessory parts (Figure
15); to be purchased from Nußbaum Hebetechnik
GmbH & CO.KG.
112
Figure 12: V-belt cover
(version with riser)
1: Column
2: Riser
3: V-belt cover
4: Lift spindle
Figure 13: Position of the drive belt
1: Riser; (optional)
2: Tensioning elements to readjust
the belt tension;
3: Grooved pulley;
4: Polyflex belt (drive v-belt)
5: Drive shaft motor
Figure 14: Setting the v-belt tension
1: Motor fastening screws
2: Alignment screws for v-belt ten-
sion
Figure 15: Accessory part
• Before setting the v-belt, the measurement de-
vice is to be placed on a flat solid surface and
pushed downwards until the stylus is laying flat on
the smooth surface.
• Afterwards null the dial gauge, meaning the outer
ring of the dial gage is to be turned so the pointer
is at zero.
Figure 16: Measurement instrument
• The measurement device, as can be seen in Fig-
ures 16 and 17 on the polyflex belt.
• The dial gauge may only be turned a minimum of
1 rotation (1 mm) to a maximum of 1.5 rotations
(1.5 mm) anti-clockwise.
• The fastening screws are to be placed into the
starting position again.
7.4 Check / exchange the lift nut system
Optical wear measurement:
Catch bar fixation "Safety kit" must be integrat-
!
ed, see Section 9.1.
To check the carrier nut, the cover of the lift spindle
must be removed. A carrier nut wear gauge pin is
integrated into the carrier plate. This must be flush
with the upper edge of the carrier plate (in the lift-
ing rail, top) - see Figure below. If the pin peaks out
2 mm from the top, the carrier nut and the follower
nut must be exchanged.
OPI_SMART LIFT 2.30 SL-2.35 SL-2.40 SL_V3.1_DE-EN-FR-ES-IT
Figure 17: Place the dial
gauge on the belt
Figure 18: The lift nut pin is pro-
vided with a sealing wax