HIGHLEAD GG80018, Instruction Manual Parts Catalog

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3. OILING
Do not operate the machine, even if only for testing and or idling, unless it has been properly oiled at
every spot and reservoir required lubrication.
（
Fig.1
）
Fig.1
4. THREADING
Pass the thread through the path (Fig.2). The tension on the needle thread and the tension on the bobbin
thread shuold be determined by the sewing materials.
Fig.2 Fig.3
5. HEIGHT OF FEED DOG
The height of the feed dog shuold be determined by the sewing meterial s. Loosen the screw and adjust
the required height range from 1.5 to 2mm (Fig.3).
6. NEEDLE
This machine is set up to use standard needle of DY
×
3
（
sandard No. 24-No.26
）
. When exchanging
needle , the clerance between the shuttle hook driver cushion and the shuttle hook cushion should be
adjusted fine .