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7. Lubrication (Fig.5)
1.Face plate lubrication
a.Loosen the face plate screw;
b.Open the face plate ① in the direction of the arrow;
c.Lubricate the place as the arrow shows every day;
d.Close the face plate;
e.Tighten the screw.
2.Machine body lubrication
a.Lubricate the place as the arrows indicate every day;
b.When run the machine for the first time or run it again
after a long period of non-use, please oil the place as the
arrows indicate. Besides, take down the top cover ②,
then oil each felt and oil wick.
3.Rotating hook lubrication
a.Add the oil from oil hole ③ until it reaches the red line
④. Check it one time a day. If the oil is under the red line
⑤, it should be refilled.
b.When adjusting the oil amount of the rotating hook,
loosen the nut ⑦, and then adjust it by adjusting screw
⑥. Turn it rightward, the amount of the oil can be increased;
on the contrary, the amount can be reduced.
Note: Excess lubrication results in leaking.
8. Installing the needle (Fig.6)
1.Turn the balance wheel to raise the needle bar to
its highest position;
2.Loosen the set screw ② and make the long groove
of the needle ① toward leftward;
3.Insert the needle into the bottom of the needle bar;
4.Tighten the set screw ②.
Less More
Long groove toward left
3
5
Paper sheet
6
②
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