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No.03

40095699

INSTRUCTION MANUAL

MH-486-5

NOTE :

Read safety instructions carefully and understand them before using.

Retain this Instruction Manual for future reference.

2011-2013 JUKI CORPORATION

Please do not hesitate to contact our distributors or agents in your area for further information when necessary.

＊

The description covered in this instruction manual is subject to change for improvement of the
commodity without notice.

13 · 09 Printed in Japan

SEWING MACHINERY BUSINESS UNIT

2-11-1, TSURUMAKI, TAMA-SHI,
TOKYO, 206-8551, JAPAN
PHONE : (81)42-357-2371
FAX : (81)42-357-2380
http://www.juki.com

Содержание MH-486-5

Страница 1: ...No 03 40095699 INSTRUCTION MANUAL MH 486 5 NOTE Read safety instructions carefully and understand them before using Retain this Instruction Manual for future reference ...

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Страница 7: ...work and disconnect the power plug from the receptacle so as to ensure safety 4 If the machine is suddenly moved from a cold place to a warm place dew condensa tion may be observed In this case turn ON the power to the machine after you have confirmed that there is no danger of water drops in the machine 5 To prevent fires periodically draw out the power plug from the plug socket and clean the roo...

Страница 8: ...reverse direction Never run the sewing machine before filling the oil pan with oil Be sure to remove thread from the machine head and loopers before starting a trial run For the first month decrease the sewing speed and run the sewing machine at a speed of 4 000 sti min or less When you carry the sewing machine keep hands away from the detector located behind the handwheel Operate the handwheel af...

Страница 9: ...C and 2 Conforms to the essential requirements of the Directive 2006 42 EC described in the technical documentation and 3 To be prepared with the above technical documentation compiled in accordance with part B of Annex VII and 4 Also to conform to the RoHS Directive 2011 65 EU 5 Relevant information on which should be transmitted in response to a reasoned request by the national authorities by th...

Страница 10: ...F THE LOOPER THREAD TAKE UP 9 19 POSITION OF THE FRAME THREAD EYELET 9 20 ADJUSTING THE FEED TIMING 10 21 ATTACHING THE FEED DOG 10 22 ADJUSTING THE PRESSER BAR HEIGHT 10 23 THREAD TRIMMER 11 24 ADJUSTING THE DRAW OUT AMOUNT OF THE LOOPER THREAD 12 25 REPLACEMENT OF GAUGE PARTS 12 26 GAUGE PARTS 13 27 ADJUSTING THE TOP FEED AMOUNT 13 28 CORRECTING THE CLOTH SLIPPAGE 14 29 ADJUSTING THE PRESSURE OF...

Страница 11: ... ISO 11204 GR2 at 4 500 sti min Sound power level LWA A weighted value of 90 5 dB Includes KWA 2 5 dB according to ISO 10821 C 6 2 ISO 3744 GR2 at 4 500 sti min 1 INSTALLATION 1 Carry the sewing machine with two persons Caution Do not hold the handwheel 2 Do not put protruding articles such as the screwdriver and the like at the location where the sewing machine is placed 3 Attaching the hinge sea...

Страница 12: ...with a 9 8 N load 15 mm 9 8 N Handwheel Motor pulley Assemble the thread stand set it up on the machine table using the installation hole in the table and tighten nut 1 gently 3 ATTACHING THE THREAD STAND 1 WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior 11 23 TH...

Страница 13: ...ow 2 Remove any fiberous dust from the oil pump filter screen and the oil reservoir 3 When the lubrication oil has become dirty drain it through the oil drain screw cap and fill it with new JUKI New De frix Oil No 1 4 Verify that the oil level is above LOW mark 5 Clean up the oil reservoir magnet with a cloth Adjustment of oil amount for the face plate components Amount of lubricating oil supplied...

Страница 14: ...ION OF THE LOOPER THREAD TAKE UP Loosen setscrew 4 Adjust the position of looper thread cam 1 so that wire 3 is visible through guide hole B when third marker line A third from the top of the needle bar 2 aligns with the bottom end face of the needle bar lower bushing After the adjustment verify the following 1 When the looper thread moves off tip C of the looper thread cam the needle tip fully en...

Страница 15: ... the needle so that its eyelet faces toward A for filament thread or B for cotton thread so as to prevent stitch skipping of needle thread 8 THREADING THE MACHINE HEAD 9 THREADING THE LOOPERS WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior WARNING To avoid possib...

Страница 16: ...he power to the machine and check to be sure that the motor has totally stopped rotating in prior WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior 13 HAND LIFTER In order to stop the presser foot in the raised position turn hand lifter 1 clockwise The presser foot...

Страница 17: ...marker line A on needle bar 2 with the bottom end face of needle bar lower bushing 3 Tighten needle bar connec tion setscrew 1 Determining the looper position 3 Loosen gear setscrew 5 to adjust so that looper 4 reaches its back end when the needle bar is at the lower point of its stroke 4 Carry out adjustment so that the blade point of looper 4 aligns with the center of the needle so that the form...

Страница 18: ...le clamp hole until it comes in contact with the deep end 4 Firmly tighten needle clamp screw 2 Attach the needle so that its eyelet faces toward A for filament thread or B for cotton thread so as to prevent stitch skipping of needle thread 8 THREADING THE MACHINE HEAD 9 THREADING THE LOOPERS WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the mac...

Страница 19: ... than the normal timing 19 POSITION OF THE FRAME THREAD EYELET The thread tension changes by moving intermediate thread guide 1 up and down The thread tension is increased by moving the intermediate thread guide upward or decreased by moving it downward In general adjust the position of setscrew 2 referring to the table below Thread used Scale on the intermediate thread guide Cotton thread 80 to 5...

Страница 20: ... drops to the LOW mark add more oil 3 When the sewing machine is run after the oil reservoir has been filled oil can be seen splashing on the oil sight window However the amount of oil splash has no relation to the amount of oil in the reservoir so there is no need to worry 4 When the oil has become dirty replace it with fresh oil Unscrew the oil plug from the oil reservoir when draining 5 When us...

Страница 21: ...1 23 THREAD TRIMMER WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior ...

Страница 22: ...e Schmets 149 7 Nm 70 to Nm 130 Standard Nm 80 Stitch length adjustment method Dial type Safety stitch Condensation stitch reverse feed stitch by feed lever Looper mechanism Inclined crank type Looper stroke 21 5 mm Lubrication system Fully automatic lubrication Oil JUKI New Defrix Oil No 1 Noise Equivalent continuous emission sound pressure level LpA at the workstation A weighted value of 83 5 dB...

Страница 23: ...S 27 ADJUSTING THE TOP FEED AMOUNT WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior ...

Страница 24: ...ion Take care not to excessively increase the walking foot pressure or set the presser foot pressure otherwise the presser foot for presser otherwise the presser foot will float leading the insuf ficient feed power Model Description Industrial Sewing Machine Function make stitches and sew MH 380 Series MH 480 Series vii DECLARATION OF INCORPORATION OF PARTLY COMPLETED MACHINERY We hereby declare t...

Страница 25: ...tart of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior WARNING To avoid possible personal injury due to abrupt start of the machine turn off the power to the machine and check to be sure that the motor has totally stopped rotating in prior ...

Страница 26: ...the power plug the power switch has to be turned OFF in advance 3 In time of thunder and lightening stop your work and disconnect the power plug from the receptacle so as to ensure safety 4 If the machine is suddenly moved from a cold place to a warm place dew condensa tion may be observed In this case turn ON the power to the machine after you have confirmed that there is no danger of water drops...

Страница 27: ... 17 33 TROUBLES AND CORRECTIVE MEASURES ...

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Страница 32: ...eserved throughout the world Please do not hesitate to contact our distributors or agents in your area for further information when necessary The description covered in this instruction manual is subject to change for improvement of the commodity without notice 13 09 Printed in Japan SEWING MACHINERY BUSINESS UNIT 2 11 1 TSURUMAKI TAMA SHI TOKYO 206 8551 JAPAN PHONE 81 42 357 2371 FAX 81 42 357 23...

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