m - HKU Libraries
m - HKU Libraries
m - HKU Libraries
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8. Know the effect on web quality<br />
if machine lubricating oil is<br />
used indiscriminately.<br />
9. Know what action to take when<br />
a bad web selvedge is observed.<br />
10. Understand the reasons for regular<br />
removal of droppings from<br />
under the cylinder, doffer and<br />
taker-in.<br />
11. Understand the function of the<br />
hopper weighing device and<br />
know when and how to make<br />
adjustment.<br />
12. Know that the most important<br />
function is to keep the hopper<br />
at a constant level of $ full and<br />
that it must not run very low or<br />
be packed tight.<br />
II. Trade Skill: Be competent in:<br />
1. Starting and stopping a woollen<br />
card.<br />
2. Doffing full bobbins and gaitingup<br />
empty bobbins.<br />
3. Piecing roving or web breaks at<br />
any part of the card.<br />
4. Cleaning carding engines and the<br />
area around the card according<br />
to schedule.<br />
5. Fixing and removing belts and<br />
ropes.<br />
6. Handling full condenser bobbins.<br />
7. Sorting and separating different<br />
kinds of card waste.<br />
III. SkHI Standard:<br />
"A" Grade Standard<br />
Doff and gait up a four height<br />
condenser of 22 ends each in 40<br />
seconds.<br />
Doff and gait up an eight height<br />
condenser of 22 ends each in 75<br />
seconds.<br />
"B" Grade Standard<br />
Doff and gait up a four height<br />
condenser of 22 ends each in 50<br />
seconds.<br />
Doff and gait up an eight height<br />
condenser of 22 ends each in 95<br />
seconds.<br />
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