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Job Title: Yarn Doffer CLL.O. classification: 7-52-20)
Level of Skill: Operative :
Job Description:
Doffiing full ring bobbins and replacing
with empty bobbins, starting
ends around empty bobbins, creeling
roving bobbins, cleaning lower part of
spinning frames.
Job Skill Standards:
I. Trade Theory-' ffH
1. Know the purpose of ring spin- 1.
ning and working principle of a
ring spinning frame.
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2. Know the dangerous parts and 2.
safety devices on a ring spinning
frame.
3. Know the names of the main 3.
parts of a ring spinning frame.
4. Be aware of the importance of 4.
keeping a ring spinning frame in
a clean condition.
5. Be aware of the importance of 5.
correctly operating the ring rail
before and after doffing.
6. Understand why there is a neces- 6.
sity for speedy and efficient
doffing.
7. Know the effects on yarn quality 7.
of using faulty bobbins.
8. Understand the reasons why 8.
different colours of bobbins
should be used for different yarn
counts and the importance of not
allowing yarns of different counts
to become mixed.
9. Be aware of the importance of 9.
removing roller laps with the
hook parallel to the roller
surface.
10. Be aware of the importance of 10. ^^^ B-I-R/W^WSW^VHSW^^W.
detecting and removing faulty
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bobbins and placing them ma
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certain place.
^
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