HIGHLEAD GA2688-1, Instruction Manual & Parts List, Page: 4 / 35

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PREPARATION FOR OPERATION
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1
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Cleaning the machine
Before leaving the factory, the machine parts are coated with rust-preventive grease, which may be
hardened and contaminated by dust during storage and shipment. This grease must be removed with gasoline.
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2
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Examination
Though every machine is confirmed by strict inspection and test before leaving the factory, the machine
parts may be loose or deformed after long distance transportation with jolt. A thorough examination must be
performed after cleaning the machine. Turn the pulley to see if there is running obstruction, parts collision,
uneven resistance or abnormal noise. If these exist, adjustment must be made accordingly before run-in
operation.
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3
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Lubrication (Fig.1)
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 below figure.
CAUTION
：
Please use white spindle oil.
Always keep the presser lifted before attempting a dry run.
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4
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Testing
In order to get the best working situation, run the sewing machine in a low speed for about 1 month after
lubricated fully. Then increase the speed to the need one.
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HOW TO ATTACH A NEEDLE (Fig.2)
CAUTION
：
Before using the following procedures, be sure to turn the power switch off.
The needle used by this sewing machine is DY
×
3 26#
。
During operation, proper needle can be chosen
according to the sewing thread.
（
the sewing thread should be able to pass the pinhole.
）
Fig.1