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Superabrasive User Manual Original Language Lavina
® 20EU
6/2020
28
the bushing together with the washer up (Fig.8.11.17), push washer down of the bushing., take bushing out (Fig.8.11.18),
push key out (Fig.8.11.19), now the washer releases (Fig.8.11.20), dismount sealer cap (Fig.8.11.21), the pulley can be
released with two crowbars; do not use excessive force (Fig.8.11.22) (Fig.8.11.23), push the sealer cap to dismount
(Fig.8.11.24), by mounting back the sealer cap, secure with sealant, center the holes to mount the pulley.
Change the two other pulleys as earlier described in the chapter, best when the motor base disc is dismount to change the
roller units too. Unlock the
nut on top (Fig.8.11.25). The
pulleys can be released with
two crowbars; do not use
excessive force (Fig.8.11.26)
(Fig.8.11.27).
8.10 MOUNTING THE BELT
The mounting of the belt is shown on Fig. 8.12.11.
Putting the belt is possible when the tensioner is in
starting position:
- loosen the nuts pos.2
- loosen enough the nuts pos.3 (or unscrew them).
- unscrew the nut (pos.4) and pull out the bush (pos.5)
from hole D in the tensioner (pos.1), that will allow the
tensioner to have the position in Fig. 8.12.11.
- put the belt following steps shown on Fig. 8.12.2; Fig.
8.12.3 and Fig. 8.12.4. (It is possible also to put the belt
on the
roller unit assembly as a last step.) Check if the
belt is on the
right place in the grooves of each of the
pulley units
and on the central pulley.
Put back the tensioner in a position the axle bushing to
fit in the tensioner hole (Fig. 8.12.5) (You can push
down the bush screwing the nut pos.4)
Tighten the nuts (pos.2, Fig. 8.12.11) and loosen them
again a half of turnover. This will allow the tensioner
turn in minimum clearance. Rotate the tensioner into
the lightening direction so you can mount the belt. After the belt is mounted you need to tension it by using Optikrik II device
(Measuring range: 500-1400 N) (Fig . . . 8.13.2).
For a new belt the tensioning force is
650N. Тhe tension of the existing belt must be 520 N.
Figure 8.27
Figure 8.12.2
Figure 8.12.3
Figure 8.12.4
Figure 8.12.9
Figure 8.12.1
Figure 8.12.5
Figure 8.12.6
Figure 8.12.7
Figure 8.12.8
Figure 8.12.10
Figure 8.11.25
Figure 8.11.27
Figure 8.11.26
Figure 8.12.11
Содержание Lavina Elite L20EU
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