vimec S11 User Manual

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9.2) Check and replacement of nuts
The two upper and lower nuts coupled to the lead screw
and placed in the column, during the machine operation
wear proportionally to the number of cycles and to the
load applied to the platform (people weight).
Therefore, it is necessary to replace the nuts after a
certain number of cycles.
The thread wear of the nuts brings them gradually
closer.
The distance between the two nuts must not be lower
than a certain limit value marked next to the slot (Fig.
16/a).
The initial value – measured during the machine as-
sembly – is also marked next to the slot (Fig. 16/a).
Therefore, it is necessary to measure the distance
between the two nuts with a gauge, and such value
must range between the initial value (higher gure) and
the limit value (lower gure).
If the distance measured with the gauge is lower than
the limit value, the nuts must be replaced.
The following operations must be carried out to measure
the distance between the bushes:
- Remove the column guard.
- Measure the “X” distance between the two nuts (Fig.
18) with a long-clip gauge (see Fig. 17).
- Reassemble the casings and tighten all screws!
Restore the same conditions as before checking.
This check shall be carried out every 6 months
together with all the other periodical maintenance
checks.
FIG.16
FIG.18
FIG.17
7512020

vimec S11 Specifications

General

Brand	vimec
Model	S11
Category	Lifting Systems
Language	English