JUKI LZ-2280A Series Скачать руководство пользователя страница 24 | Manualshive

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5-3. Changing over the needle-throwing method

5-4. LED light

For the LZ-2284A, needle-throwing method is select-
able between the standard zigzag stitching and 3-step
zigzag stitching. For the LZ-2287A, it is selectable
between the 3-step stitching and scallop zigzag stitch-
ing.
1) Turn the handwheel to respectively align marker

dot

C

with the following.

* LZ-2284A: Toward thread take-up knife

A

* LZ-2287A: Toward the lower end of the needle

bar

B

2) Pull changeover lever

❶

toward this side and pull

out lock pin

❷

from positioning hole

❹

.

3) Slightly turn the handwheel forward and backward

to turn change-over lever

❶

so that the lever

aligns with desired zigzag mark

❸

to find the

change-over point.

4) At the change-over position, securely insert lock

pin

❷

into positioning hole

❹

to complete the

setting.

5) If the pattern cannot be changed over, give the

handwheel a turn and repeat the aforementioned
steps from 1).

The LZ-2284A with a direct-drive motor is provided
with an LED light.
1) The brightness of the LED light with brightness

adjustment switch

❶

shown in the figure at the

left. (In three steps)

[Brightness: High → Medium → Low → OFF]

2) When the LED light is re-turned on after it has

been turned off, the brightness returns to "High".

Make sure that lock pin

❷

is securely

placed in positioning hole

❹

.

In addition, never operate the sewing ma-
chine in the state that lock pin

❷

is not

placed in positioning hole

❹

(on the way

of changeover). It will cause the trouble of
the sewing machine.

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 off and ascertaining that the motor is at rest.

LZ-2284A

LZ-2287A

❷

❶

❸

❹

3-step zigzag

Standard zigzag
Scallop zigzag

❶

C

B

A

C

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Содержание LZ-2280A Series

Страница 1: ...LZ 2280A Series INSTRUCTION MANUAL ...

Страница 2: ...ifting mechanism of the presser foot 14 4 6 Adjusting the stitch length 15 4 7 Adjusting the denser stitching 15 4 8 Height and inclination of the feed dog 16 4 9 Attaching removing the hook 16 4 10 Adjusting height of the needle bar 17 4 11 Adjusting the needle to hook timing and the needle guard 17 4 12 Adjusting the stop position of the needle 18 4 13 Adjusting the thread trimmer 19 4 14 Needle...

Страница 3: ...e feed 2 at the time of delivery 2 5 Normal reverse feed 2 at the time of delivery Max sewing speed sti min 5 000 5 000 3 step zigzag Zigzag width less or 8 mm 4 000 3 step zigzag Zigzag width more than 8 mm 5 000 Zigzag width less or 8 mm 4 000 Zigzag width more than 8 mm Needle SCHMETZ 438SUK Nm75 Nm65 to 90 DP x 134 10 9 to 14 Oil JUKI CORPORATION GENUINE OIL 7 Noise Equivalent continuous emiss...

Страница 4: ...0 29 R 1 0 X 80 140 137 110 225 225 188 140 159 66 5 476 5 112 40 54 50 1 70 1 308 C 1 C 1 R 2 40 27 R2 R 2 R30 R 2 R 2 6 W W R 2 R 2 R 2 R 2 R 3 0 R 3 0 R 2 R 2 R 2 R 2 14 10 U U 17 5 0 5 X X 22 5 0 5 Y Y 18 5 0 5 Z Z T T 1 8 5 8 26 V V 1 1 21 0 5 0 20 0 5 0 S S J A B C D E F H G I K L A 4 ø3 4 on the bottom surface depth 20 drill a hole at the time of set up B Installing position of drawer stopp...

Страница 5: ...9 7 1 172 2 R 1 0 29 R 1 0 X 80 140 137 188 C1 5 C2 5 ひんじ側のみ 17 5 0 5 X X 22 5 0 5 Y Y 18 5 0 5 Z Z T T 1 8 5 8 26 V V 1 1 C 1 C 1 R 2 40 27 R2 R 2 R30 R 2 R 2 6 W W R 2 R 2 R 2 R 3 0 R 3 0 R 2 R 2 R 2 R 2 14 10 U U 21 0 5 0 20 0 5 0 S S R 2 J A B C D E F H G I 2 For the direct drive type A 4 ø3 4 on the bottom surface depth 20 drill a hole at the time of set up B Installing position of drawer sto...

Страница 6: ...and fix the two cushion seats of the machine head on hinging side B with rubber adhesive agent Now put the oil pan on the cushions 3 Attaching the hinge Fit the hinge in the hole in the bed and engage it with the rubber hinge of the table Put the machine head down on the cushions located at the four corners WARNING To protect against possible personal injury due to abrupt start of the machine be s...

Страница 7: ...ng hole of the table with wood screw and washer 1 Install adapter to the rear end section of the main shaft 2 Loosen four setscrews in belt cover A and temporarily tighten them 3 Remove the setscrew in hole A among the four setscrews and fix synchronizer support to the belt cover stud Then perform final tightening of the setscrews of the whole belt cover 4 Attach the synchronizer of the needle pos...

Страница 8: ...ti min or more for approximately 5 minutes once a week 3 Use clean oil and when the oil becomes dirty replace it with clean oil as soon as possible When you continue to use the machine with dirty oil the trouble will be caused 3 1 Lubrication 3 PREPARATION OF THE SEWING MACHINE WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following wor...

Страница 9: ...return to the oil tank when oil amount adjustment screw is used in fully tightened state Do not use the screw in fully tightened state In addition when the amount of oil in the hook is not obtained unless oil amount adjustment screw is near in fully tightened state it is considered that hook shaft oil wick JUKI Part No 11015906 is clogged or the like Replace the hook shaft oil wick 5 Never adjust ...

Страница 10: ...econds Check the period of time with a watch WARNING Be extremely careful about the operation of the machine since the amount of oil has to be checked by turning the hook at a high speed 3 3 Adjusting the amount of oil oil splashes 1 Confirmation of the amount of oil in the hook 1 The amount of oil shown in the samples on the left should be finely adjusted in accordance with sewing processes Be ca...

Страница 11: ...tion D Decrease To the direction E Increase 6 In case that the bobbin thread is not wound even ly on the bobbin loosen the nut and turn the bobbin thread tension to adjust the height of the thread tension disk It is the standard that the center of the bobbin is as high as the center of the thread tension disk Move the position of the thread tension disk to the direction F as shown in the figure on...

Страница 12: ...er of the num bers and pull it out through the thread path as il lustrated 3 When the bobbin is correctly loaded in the bobbin case the bobbin rotates in the direction of the arrow when the thread is pulled How to use the bobbin case thread hole 1 For normal sewing use hole A To increase the thread tension when the needle throws to the left use hole B Hole C is intended for special pro cesses Ther...

Страница 13: ...raight 2 Inclination of the pedal 1 Inclination of the pedal can be adjusted by chang ing the length of the pedal connecting rod 2 Loosen the adjusting screw and move up or down the connecting rod to change its length as desired 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 off and ascertaining tha...

Страница 14: ...or counterclockwise de creases it 1 If the thread tension of pre tension is too low the thread may slip out of rotary disc Adjust the thread tension of the pre tension using pre tension adjusting nut taking care of tension balance be tween the pre tension and the rotary disc 2 When setting the needle thread tension draw the thread in the direction F to check that rotary disc smoothly rotates with ...

Страница 15: ...sser foot 22580369 Throat plate 10041010 Feed dog 10047017 4 2 Adjusting the zigzag width 3 Adjusting the needle position JUKI models LZ 2280A 2284A and 2287A have the needle position changing lever by which the needle position can be changed as desired To change the needle entry point move needle position changing lever as shown in the figure For the LZ 2284A loosen screw and move needle position...

Страница 16: ...fter floating amount by turning the micro lifter floating screw 2 Turn presser foot floating screw clockwise until the presser foot goes up by the required amount Then tighten nut to fix the presser foot If you do not use the micro lifting mech anism of the presser foot fully return the presser foot micro lifting screw to its home position The standard of lifting amount of the presser foot is as t...

Страница 17: ... be reduced at the start or end of sewing This feature is used for fastening stitch 1 Feed lever is moved by turning the dial while keeping the feed lever held depressed Adjust the stitch pitch for condensation stitching while ob serving the scale mark which aligns with marker line on the top surface of the lever 2 Turn the dial in the direction to reduce the reverse feed stitch length i e the fee...

Страница 18: ...ng hook remove it in the following procedures 1 Turn the handwheel until the needle reaches to its highest position 2 Remove the needle presser foot throat plate feed dog and bobbin case from the machine 3 Remove the setscrew and take out the bobbin case positioning finger 4 Loosen the two screws and remove the sewing hook Reverse the above procedures when inserting the sewing hook At this time ma...

Страница 19: ... of the needle bar 4 11 Adjusting the needle to hook timing and the needle guard 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 off and ascertaining that the motor is at rest WARNING To protect against possible personal injury due to abrupt start of the machine be sure to start the following work af...

Страница 20: ...escribed in the following explanations 3 Be sure to re turn the power switch ON after one second or more has passed If the power is turned ON immediately after turning it OFF the sewing machine may not work normally In this case turn ON the power again 4 Update the setting No by switch or switch Setting No 121 Needle UP stop position Setting No 122 Needle DOWN stop position 5 Specify the setting c...

Страница 21: ...red marker dot on the handwheel put the roller in the groove of the thread trimming cam and turn the handwheel in the direction opposite to the direction of rotation of the hook driving shaft until it will go no further Now tight en the two screws 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 off a...

Страница 22: ...ire so that thread draw out wire is brought to the ap proximate center of thread take up thread guide 1 Align the marker dot engraved on the pulley cover with the white marker dot engraved on the handwheel the 3rd white marker dot in terms of the direction of rotation of the sewing machine 2 Move the rod in the direction of the arrow and adjust the clamping screw so that an approxi mate 2 mm clear...

Страница 23: ...177 2 Position of the reverse feed switch The position of the switch can be adjusted to an easy to operate position according to the sewing process 1 Loosen screws on the rear face of the sewing machine Then adjust the position of the switch 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 off and asc...

Страница 24: ...hole to complete the setting 5 If the pattern cannot be changed over give the handwheel a turn and repeat the aforementioned steps from 1 The LZ 2284A with a direct drive motor is provided with an LED light 1 The brightness of the LED light with brightness adjustment switch shown in the figure at the left In three steps Brightness High Medium Low OFF 2 When the LED light is re turned on after it h...

Страница 25: ...46555000 mountedonthemachinewiththespring MAT80117S00 supplied with the RF 1 6 2 Joining foot for the lockstitch presser foot 6 3 Auxiliary thread take up kit To use the presser foot for lockstitch the joining foot for the lockstitch presser foot has to be used Joining foot for the lockstitch presser foot Part No D1551586000 Setscrew Part No SS7090910SP In the case the sewing machine is used for b...

Страница 26: ...art No Sewing speed sti min Belt length mm inch Belt part No 50 Hz 60 Hz 135 MTSP0135000A 5 480 1 168 46 MTJVM004600 130 MTSP0130000A 5 270 125 MTSP0125000A 5 060 1 143 45 MTJVM004500 120 MTSP0120000A 4 850 115 MTSP0115000A 4 630 110 MTSP0110000A 4 440 5 330 1 118 44 MTJVM004400 105 MTSP0105000A 4 250 5 040 100 MTSP0100000A 4 000 4 780 95 MTSP0095000A 3 820 4 540 90 MTSP0090000A 3 610 4 320 1 092 ...

Страница 27: ...in a wrong way a The needle is not entirely inserted into the needle bar Fully insert the needle 5 b The needle eye is not facing straight to the operator Let the needle eye face straight to the operator 5 c The needle is facing backwards Let the long groove on the needle face to the operator 5 When the needle itself is not suitable a The needle is bent Replace it with a new needle 5 b The quality...

Страница 28: ...en the needle is bent Replace it with a new needle 5 When the quality of the needle is not good Use a needle of good quality When the needle is not entirely inserted into the needle bar Insert the needle into the needle bar as far as it will go 5 When the needle hits the sewing hook Adjust the timing and clearance between the needle and the sewing hook and also the position of the needle guard 17 ...

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