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F
2910376
00.
fm
ID
M
English
9
Use and maintenance manual
Booklet
3
SPOOL CARRIAGE UNIT
2
CHANGE OF THE FILM PRE-STRETCH VALUE
15
Proceed as indicated.
1-
Start the machine in "manual" mode.
2-
Activate the controls to lift reel holding carriage up to the end of stroke.
3-
Stop the machine
4-
Deactivate the main electric switch to put the machine in safety conditions.
5-
Remove the cover guard
(E)
.
6-
Replace toothed wheels
(Z1-Z2)
according to the desired pre-stretch percentage.
The table lists the pre-stretch values obtainable with the proper transmission ratios.
Information
Set pre-stretching according to film resistance and quality to obtain low con-
sumption.
7-
Reassemble the guard
(E)
when finished.
8-
Start off machine to check correct operation.
Guard (E)
Z1
Z2
ID
M-29
156800500.
p
df
Table 2:
Pre-stretch values
pre-stretch %
Code (Z1)
N. of teeth (Z1)
Code (Z2)
N. of teeth (Z2)
150%
2540300091
85
2540300092
34
200%
2540300093
90
2540300094
29
250%
2540300087
92
2540300088
27