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1. sPEcIFIcatIons 

MB-1373

MB-1377

Sewng speed

Normal 1,300 rpm (Max. 1,500 rpm)

Number of sttches

8, 16 and 32 sttches 

Feed amount

Lateral feed 2.5 to 6.5mm   

Longtudnal feed 0

2.5 to 6.5mm

Lateral feed 2.5 to 6.5mm   

Longtudnal feed 0

2.5 to 4.5mm

Button sze

10 to 28 mm

Needle used

TQx1 #16 (#14 to #20)  TQx7 #16 (#14 to #20)

Lubrcatng ol

JUKI New Defrx Ol No. 1

Nose

Workplace-related nose at sewng speed n = 1,500 mn–1 : Lpa  

 84 dB(A)

Nose measurement accordng to DIN 45635-48-B-1.

2-1. Installation

2.

 

PrEParatIon oF tHE sEWInG MacHInE

Put rubber cushon 

1

 on the table, 

place the machne head on the rubber 

cushion and fix it to the table using 

screws 

2

, plan washers 

3

 and nuts 

4

. Attach “S” chan hook 

6

 and chan 

7

 to stop moton trp lever 

5

.

1

2

4

3

6

7

5

Содержание MB-1373

Страница 1: ...ENGLISH Instruction Manual...

Страница 2: ...umber of stitches 8 3 14 Adjusting the position of the stop motion 8 3 15 Automatic thread trimmer 9 1 Adjusting the position of the moving knife 9 3 16 Clearance between the button clamp lifting leve...

Страница 3: ...le used TQx1 16 14 to 20 TQx7 16 14 to 20 Lubricating oil JUKI New Defrix Oil No 1 Noise Workplace related noise at sewing speed n 1 500 min 1 Lpa 84 dB A Noise measurement according to DIN 45635 48 B...

Страница 4: ...the machine belt to be clogged with oil to prevent it from the deterioration 1 9 2 3 5 6 7 1 0 8 2 4 5 6 3 2 2 Lubrication 1 Open the side cover and apply JUKI New Defrix Oil No 1 to the portions show...

Страница 5: ...cover with screw 2 2 4 Attaching the needle bar cover WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after turning the power...

Страница 6: ...ther loosen screw 2 in the tension thread guide and adjust it properly WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work after...

Страница 7: ...ng the power off and ascertaining that the motor is at rest 3 6 Needle to looper relation If the formation of seams at the start of sewing is failed and the seams are formed on the way even when the t...

Страница 8: ...lifting hook and move button clamp lifting hook 4 up or down 3 9 Work pressing force The standard work pressing force is by providing a 28 5 to 29 5 mm between the top end of nut 1 and the bottom end...

Страница 9: ...onding amount Then tighten nut 2 Phenomenon Height of thread floating bar 1 When the stitch made on the wrong side of the workpiece is too loose Make the needle bar slightly higher 2 When the thread i...

Страница 10: ...stitches loosen stitch number adjusting screw 1 and fix it to the position as shown in the illustration How to adjust 16 stitches How to adjust 32 stitches 2 1 3 4 A B 3 14 Adjusting the position of t...

Страница 11: ...amp lifting lever 1 and adjusting screw 2 at the stop motion position refer to 3 14 Adjusting the position of the stop motion p 8 and tighten with adjusting screw nut 3 3 17 How to set the L shaped li...

Страница 12: ...stopper 4 so that outside periphery 1 of the needle hole almost aligns with top end 2 of the knot tying plate 3 Adjusting the knot tying notch Loosen screws 1 and adjust so that the roller of the kno...

Страница 13: ...angeover of with without knot tying To make with knot tying pull knot tying changeover knob 1 toward the front and place it to the position in the figure To make without knot tying pull knot tying cha...

Страница 14: ...ze General MB 1373 MB 1377 Z201 Z202 Z033 Z037 Schematic drawing Remarks Button size A 3 to 6 5 mm B 20 to 28 mm Button size A 3 to 5 mm B 12 to 20 mm Button diameter Less than 16 mm Shank size Thickn...

Страница 15: ...shank button holding clamp 5 provides proper pressure 4 You may fix button clamp block 7 in a convenient position for operation 1 When you fix the thrust collar ensure that button clamp rotating shaft...

Страница 16: ...et the lengthwise feed to 0 4 Attachment for snaps Z037 INSTALLATION Remove the button clamp mechanism assembly and the feed plate Set both the crosswise feed and lengthwise feed graduated plates to 4...

Страница 17: ...4 You may fix button clamp block 5 in a convenient position for operation 1 When you fix the thrust collar ensure that button clamp rotating shaft 6 does not play axially in its bracket 2 Adjust lift...

Страница 18: ...ng plate Adjustment of the knot tying notch 3 The nipper has been improperly adjusted The clearance is too large Adjust the nipper with the nipper bar block 5 The first stitch trails relatively long t...

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