Lubrication; Precautions Operation; Installing Needle; Winding Bobbin Thread - HIGHLEAD GC24699 Instruction Manual Parts Catalog

2. LUBRICATION(Fig.1,Fig.2,Fig.3)
1) Oiling(1)
Filling the oil reservoir with oil
up to "H" mark.Oil level should
be periodically checked.If oil
level is found below "L"level
replenish oil to "H"level.
Use white spindle oil.
Oiling(2)
2)
When a new sewing machine is
used for the first time, or sewing
machine left out of use for
considerably long time is used
again, replenish a suitable amount
of oil to the portions indicated by arrow in the below figure.
3) Oiling condition
See dripping of oil through the oil sight window to check oiling condition during operation.

3. PRECAUTIONS OPERATION

（1）When the power is turned on or off, keep foot away from the pedal.
（2）It should be noted that the brake might not work when the power is interrupted or power failure
occurs during sewing machine operation.
（3）Since dust in the control box might cause malfunction or control troubles, be sure to keep the control
box cover close during operation.
（4）Do not apply a Multimeter to the control circuit for checking.Otherwise voltage of Multimeter might
damage semiconductor components in the circuit.
4. INSTALLING NEEDLE(Fig.4)
Note: Before installing the needle, be sure to turn off the power.
To install the needle, turn the machine pulley over toward operator(or
counter-clockwise) until the needle bar moves up to its highest point, put the needle
up into the needle bar as deeply as it will go, with the long groove of the needle
faced right side.Tighten the needle set screw securely.
5. WINDING BOBBIN THREAD(Fig.5)
Note:When bobbin thread is wound, keep the presser foot lifted
Adjustment:
Tension of wound thread:Slack winding is recommended for polyester thread and nylon thread.
Conically wound thread:Move the thread guide toward smaller diameter of wound thread layer.
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