typical GC0303DCX - Lubrication System

4
8
8mm
2mm
5
7
6
3
16mm
2
2
1
4
-3-
A
H
OI
L
L
B
C
5
6. Adjusting knee lifter(Fig.4)
1.Lower the presser foot ② by turning the
presser foot bar lifter ①.
2.Loosen the nut ③.
3.Turn the screw ⑥ to adjust the bracket ⑤ to
2mm play.
4.Securely tighten the nut ③.
5.Loosen the nut ⑦.
6.Turn the screw ⑧ until the distance between
the end of the screw and bracket is
approximately 8mm.
7.Turn the adjusting screw ⑧ to adjust, so that
the presser foot is at the desired position within
a distance of 16mm above the needle plate
when the knee lifter plate ④ is fully pressed.
8.After adjustment, tighten the nut ⑦.
7. Lubrication(Fig.5)
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
①Uninstall the screw (C), and drain out the used
oil
②Clean the oil pan, and tighten the screw (C ),
fill the fresh oil again according the requirement.