Loepfe YarnMaster Zenit, Инструкция по эксплуатации

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70 ZENIT
CHECKS AND MAINTENANCE
Checks and Maintenance
General
The yarn clearing YarnMaster Zenit installation requires hardly
any maintenance. Regular checks of the yarn clearing installa-
tion are vital, not only to examine the correct settings but also
to assure its proper function.
Moreover, it is recommended to have a yearly clearer check
carried out by an authorized Service Station.
!
Maintenance works must be made by trained and au-
thorized personnel only !
Daily
Central Unit LZE
•
Check the desired settings.
Checking the Adjust value.
When the setting is correct, the
Act.DiaDiff setting ( Yarn
Structure menu) should not be greater than 10% after ev-
ery spindle stop.
•
Select Reports in Dialog menu.
Yarn-caused spindle blockages as well as events caused
by process and system are displayed. (See table
Reports
and Diagnosis
)
Sensing Heads TK
•
Check the 7-Segment Display. When the base is set cor-
rectly, the horizontal bar must be in the middle while the
yarn is running. Bar at the top or bottom indicates yarn di-
ameter deviations of more than +/- 5%.
Weekly
Sensing Heads TK
Knife (Cut control)
•
Initiate a cut at each sensing head with the Test button.
•
The knife should react and be able to cut a double end.
•
After each cut, the knife must return to its initial position.
•
If the plastic part remains visible, open the housing and
clean the cutting device.
•
If necessary, replace the knife according to the illustration.
!
The knife must be inserted the other way round on
Espero i, Espero Nuovo and Excello sensing heads!
Yarn Guide
To ensure that the yarn faults are detected, the thread must
run at the bottom of both yarn guides.
•
Check the yarn guides for defects (cracks, indentations by
thread).
•
If necessary, replace the thread guide in the yarn guide
plate (figure 1) or the sensing head cover with the perma-
nently mounted yarn guide plate (figure 2).
T10
T8
T10
Figure 1 Figure 2
T8
T10
T10
Yarn guide Plate
Thread
guide
Cover
Yarn
guide
plate