Precautions Prior to Startup
Precautions for Use
1
1. The machine head is coated with a thick layer of rust-prevention grease before encasement,
and the encased machine head may possibly be subjected to grease hardening and dust buildup
on the machine surface in process of long storage and
long-haul traffic; therefore, take care to remove the grease and dust from the surface using soft
cloth and gasoline.
2. Though the machine was inspected and tested with care before factory leaving, it might be
affected by violent vibration resulting in looseness or distortion of the machine parts; therefore the
operator shall thoroughly check the machine, turn the upper wheel by hand and check it for
difficulty in free rotation, slight impact, and other uneven resisting force or abnormal noises, and
make appropriate adjustment if any to restore the machine state before formal trial run.
3. Never start up the machine if the oil liquid level in the oil box falls outside the normal range.
4.The upper wheel shall rotate counterclockwise (when it is viewed from the lateral surface of the
upper wheel) when the machine is operating.
5. Check whether the voltage and phases indicated on the electric-control data plate are correct.
6.The date of manufacture is indicated on the certificate of conformity.
2
1.Never touch the needle by hand when the machine is powered on or while it is operating.
2.Never put your finger into the protection cover of take-up lever during operation of the
machine.
3.The operator must not put his finger into the needle guard bracket when he feeds the
sewing materials by hand.
4.Operator must trim off the electricity supply before he turns over the machine head or
removes the hand cover.
5.The operator must trim off the electricity supply before he gets away from the machine.
6.Prohibit the head, hands and anything to approach the upper wheel and bobbin winder
while the machine is operating.
7.Never remove or mount the protection cover or other protection devices before the
machine is stopped.
8. Never wipe up the surface of machine head using paint thinner such as acetone.
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