润滑（图 1）/Lubrication（Fig1; 调节旋梭油量（图 2)/Adjusting The Amount Of Oil In The Hook(Fig 2) - Jack H2 Series Product Instruction Manual

3.润滑（图 1）/Lubrication（Fig1）
1.油量
油量必须按油盘内标记加注。图中标记
（A）是油量最高位。 （B）是油量最低位。注意
油量不得低于标记（B） ，否则缝纫机各部位就会
出现进油停止，造成发热咬死等情况。
2.加油
必须使用 18＃高速缝纫机油， 运转前油量
加至标记（A） 。
3.换油
①旋下放油螺钉（C） ，排净废油。
②扫清油盘污尘，旋紧放油螺钉（C） ，加注
新油。
1. Oil amount
Please fill the oil according to the mark indicated on the oil pan. Mark (A) means the highest position. Mark (B)
means the lowest position. If the oil amount is lower than the Mark (B), oil will not be pumped and machine will
be jammed.
2. Fill the oil
Please fill the 18# sewing oil into the oil pan until to the Mark (A).
3. Change the oil
Uninstall the screw (C), and drain out the used oil.
①
Clean the oil pan, and tighten the screw (C), fill the fresh oil again according the requirement.
②
4.调节旋梭油量（图 2)/Adjusting the amount of oil in the hook(Fig 2)
放倒机头，转动油量调节螺钉①调
节油量大小。
Put down the head and tighten or
loosen oil amount adjustment screw to
increase of decrease the amount of oil
in the book.
A B
2
1
C