Newlong NP-7A - Residual Risk Warnings; Operator Safety and Handling Procedures; Threading and Maintenance Safety; Noise Level Information

29
WarningonResidualRisk!

Themachinehasoperationalhazardousareasasindicatedbelow.
Useparticularcarefortheseareaswhenoperatingthemachinefor
closing bags, threading, or otherwise handling it for checking or
maintenance. Observe the instructions below to protect the
operatororanyotherpersonwhomayuseorhandlethismachine
frompossiblepersoninjuries.
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①Themachineisdesignedtobeusedandcontrolledbytheright,
nottheleft,handofanoperator.Besuretogripthehandleby
therighthandevenwhentheoperatorisleft-handed.Keepa
clearanceofatleast150mmbetweenthehandoftheoperator
holding the bag and the machine body. This is necessary to
preventtheoperatorʼshandfrombeingcaughtbythemachine
inoperation.

②Theneedleholderatthetipoftheneedlebarisnotprovided
with a safety cover. Do not touch the needle and the needle
holder when the machine is in operation. When threading or
replacingtheneedle,jobtheneedlebarwiththeswitchuntilit
reachesasuitablepositionandthenthreadingorreplacingthe
needle.
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③An opening is provided on the needle bar guard to allow
threading. Do not touch the guard when the machine is in
operation.Whenthreadingtheneedlebarguard,alwaysremove
thepowercablefrompowersupply.

④When turning the machine by hand for replacing parts or
adjusting, always remove the power cable from power supply.
Openthe motor pulley cover by removing the stopper screw.
Themachinecanbeturnedwhenthemotorpulleyisturnedby
hand.Besuretoclosethecoverand fixitwiththestopperscrew
beforestartingthemachine.
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⑤TheNoiseofthismachineis75dB(A)〜84dB(A).
ThisNoiselevelisnotanabnormalstateofthemachine.
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AccelerationValueofVibration
①Acceleration value of vibration (weighted root mean square
accelerationvalue)atthehandleisasindicatedbelow.
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②MethodandConditionofMeasurement
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1) The machine was suspended, on a leather belt at the
handlegripasshown.

2) Thevibrationpick-up(FV-86)wasfixedontheflatparto
f
thehandlewithanM5screw.
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3) Themachine wasrun without load with thepresser foot
(242233A)liftedandwithoutthreaded.
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4) ThedrivemotorwasaUM81-240typewiththefollowing
specifications:

Voltage:240V
Frequency:50Hz
Machinespeed:1,537rpm
Roomtemperature:20℃
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③MeasuringEquipment
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1) Vibration meter, type VM-28 Vibration pick-up, type
PV-86Manufacturer:RionCo.,Ltd.,Tokyo,Japan

2) PortableACvoltmeter,type2013-18,150/300V
Manufacturer:YokogawaElectricMfg.Co.,Ltd.,Tokyo,Japan
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3) Digital stroboscope (revolution indicator), type DT-301
Manufacturer:ShimpoIndustrialCo.,Ltd.,Kyoto.Japan