typical GC24660, User Manual

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17 17
16 16
Counter Clockwise Counter Clockwise Clockwise Clockwise
19. Adjusting the pressure of the roller foot (Fig.16) 19. Adjusting the pressure of the roller foot (Fig.16)
20. Installing and removing the rotating hook (Fig.17) 20. Installing and removing the rotating hook (Fig.17)
Please adjust the roller foot according to the material
to be sewn. When sewing heavy material, please
increase the pressure by turning screw A clockwise.
Or turn the screw A counter clockwise to decrease
the pressure. Please adjust the roller foot according to the material
to be sewn. When sewing heavy material, please
increase the pressure by turning screw A clockwise.
Or turn the screw A counter clockwise to decrease
the pressure.
Replace the rotating hook when it is deformed or
damaged.
1. Replacing the rotating hook.
a. Turn the balance wheel by hand to lift the needle
bar to its highest position and then replace the needle
plate C.
b. Open the hook cover 1, lift the lever 2, and take out
the bobbin case 4 and bobbin 5.
c. Take down the thread separator 3.
d. Take down the screw 6 and gib 7.
e. Take out the hook head 8.
f. Tighten the set screw 9 and take out the hook cover
10.
2. Installing the rotating hook
Install the rotating hook in the reverse order of
replacing it.
When inserting the bobbin case, please align the
position point on the bobbin case with the position
groove on the rotating hook shaft.
When installing the needle plate C, please put the
convex part A of the rotating hook into the needle
plate groove B, then tighten the screw.
Replace the rotating hook when it is deformed or
damaged.
1. Replacing the rotating hook.
a. Turn the balance wheel by hand to lift the needle
bar to its highest position and then replace the needle
plate C.
b. Open the hook cover 1, lift the lever 2, and take out
the bobbin case 4 and bobbin 5.
c. Take down the thread separator 3.
d. Take down the screw 6 and gib 7.
e. Take out the hook head 8.
f. Tighten the set screw 9 and take out the hook cover
10.
2. Installing the rotating hook
Install the rotating hook in the reverse order of
replacing it.
When inserting the bobbin case, please align the
position point on the bobbin case with the position
groove on the rotating hook shaft.
When installing the needle plate C, please put the
convex part A of the rotating hook into the needle
plate groove B, then tighten the screw.