66
77
The above data is due to the normal situation.
If the machine is used frequently, the interval
of the maintenance should be shortened.
Maintenance for rotating hook(Fig.6)
1. Clean the rotating hook with brush every day,
and constant use needs more frequent cleansing.
2. Clean the rotating hook thoroughly every week.
As follows;
a. Open the cover plate and lift the needle bar to its
highest point;
b. Take out the bobbin case and the bobbin;
c. Release the position block 1;
d. Loosen the screw 2 and take out the hook point;
e. Turn the balance wheel until the point 4 and 5
reach at the same height;
f. Take out the rotating hook and clean it with oil.
g. Installation is a reverse process. Make sure that
the position block 1 is in the groove 6;
h. Close the cover plate.
The above data is due to the normal situation.
If the machine is used frequently, the interval
of the maintenance should be shortened.
Maintenance for rotating hook(Fig.6)
1. Clean the rotating hook with brush every day,
and constant use needs more frequent cleansing.
2. Clean the rotating hook thoroughly every week.
As follows;
a. Open the cover plate and lift the needle bar to its
highest point;
b. Take out the bobbin case and the bobbin;
c. Release the position block 1;
d. Loosen the screw 2 and take out the hook point;
e. Turn the balance wheel until the point 4 and 5
reach at the same height;
f. Take out the rotating hook and clean it with oil.
g. Installation is a reverse process. Make sure that
the position block 1 is in the groove 6;
h. Close the cover plate.
8. Maintenance8. Maintenance
Clean the rotatinghook clearance
Normal oiling
Front parts oiling
Check the oil box
Clean the rotating hook
Upper feed driving eccentric oiling
Clean the rotatinghook clearance
Normal oiling
Front parts oiling
Check the oil box
Clean the rotating hook
Upper feed driving eccentric oiling
Once a day
Twice a week
Twice a week
Once a week
Once a week
Once a year
Once a day
Twice a week
Twice a week
Once a week
Once a week
Once a year
9.Oiling(Fig.7)9.Oiling(Fig.7)
The machine must be oiled at the mark (arrow)
twice a week.
The machine must be oiled at the mark (arrow)
twice a week.
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