Brother 2340CV Скачать руководство пользователя страница 6

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HOW TO ADJUST......

Timing of the double chain looper

Adjust the needle and double chain looper

1. When the needle is raised to 2.8 - 3.2 mm above its lowest position, place the pointed end of the double chain

looper against the right side of the needle. The point of the double chain looper should be between 0 - 0.05 mm
from the needle.

2. Firmly tighten bolt 5

Right needle

3 mm

0.2

Movable
needle guard

Double chain
looper

Left needle
(Three needle models)

0 - 0.05 mm

Bolt 5

0 - 0.05 mm

Содержание 2340CV

Страница 1: ......

Страница 2: ... the double chain looper 5 Timing of the lowerlooper 6 Height of feed dog with a differential feed dog 7 Feed timing 8 Height of presser bar 9 Thread tension adjustment 10 Position of thread take up 11 Position of looper thread take up 12 Adjustment and replacement for the timing belt 13 Changing the light bulb 14 ...

Страница 5: ...ing position the double chain looper correctly 2 Too much adjustment will cause damage to other parts or cause the needle to skip stitches How to use the gauge 1 Position the gauge as shown in the illustration 2 Firmly tighten the screw Double chain looper Set screw DL lever 7mm ...

Страница 6: ...ition place the pointed end of the double chain looper against the right side of the needle The point of the double chain looper should be between 0 0 05 mm from the needle 2 Firmly tighten bolt 5 16 Right needle 3 mm 0 2 Movable needle guard Movable needle guard Double chain looper Left needle Three needle models 0 0 05 mm Bolt 5 16 0 0 05 mm 0 0 05 mm ...

Страница 7: ...er 2 Lower the needle bar to its lowest position 3 Position the spacer and gauge and tighten the screw 4 Remove the spacer 5 Raise the needle bar until the needle clamp contacts the gauge Continue making the adjustment described on the previous page The spacer is 3 0 mm thick Presser bar Gauge Spacer 3 4 2 Needle bar 3 0 mm 5 Gauge Needle clamp ...

Страница 12: ...UST Position of thread take up 1 Lower the needle to its lowest position 2 Loosen the set screw and position the thread take up below the thread retainer by 0 1 5 mm Thread retainer 0 1 5 mm Thread take up Set screw ...

Страница 13: ... at its highest position and adjust the distance from the F cover hinge to the thread take up as shown in the illustration below 3 After completing adjustment tighten the DL thread take up set screw F cover hinge plate 43 0 45 0 mm 39 5 41 5 mm Set screw DL Thread take up lever B DL Thread take up lever A Upper of F cover hinge plate ...

Страница 15: ...crew pull up the light bulb cover and remove it Take out the light bulb and replace it with a new one After replacing the light bulb assemble the parts in the reverse order Caution Always be sure to turn off the power before carrying out the following operation Screw bind M 4 6 Lamp cover Light bulb cover Screw bind M 4 6 Light bulb Light bulb cover ...

Страница 16: ......