Brother 2340CV 서비스 매뉴얼 - 페이지 8
{카테고리_이름} Brother 2340CV에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Brother 2340CV 16 페이지. User manual - french and nederlands
Brother 2340CV에 대해서도 마찬가지입니다: 운영 매뉴얼 (40 페이지), (프랑스어) 마누엘 디렉션 (41 페이지)
페이지 인쇄
- 1. Table of Contents
- 2. How to Use this Manual
- 3. How to Adjust
- 3. Height of Needle Bar
- 3. Position of the Lowerlooper
- 3. Timing of the Double Chain Looper
- 3. Timing of the Lowerlooper
- 3. Height of Feed Dog (with a Differential Feed Dog)
- 3. Feed Timing
- 3. Height of Presser Bar
- 3. Thread Tension Adjustment
- 3. Position of Thread Take-Up
- 3. Position of Looper Thread Take-Up
- 3. Adjustment and Replacement for the Timing Belt
- 3. Changing the Light Bulb
HOW TO ADJUST......
Set screw
Vertical adjusting shaft
Adjustment for height of main feed dog
1. Open the cloth plate cover, and raise needle at its highest position by turning handwheel.
2. Set the sewing pitch at "3".
3. Loosen screw 4 × 4 of vertical adjusting shaft.
4. Use a gauge to adjust the height of the feed dog so that the tips of the teeth are 0.9 - 1.1 mm above the surface of
the needle plate while turning the vertical adjusting shaft with a screwdriver.
5. After adjustment, tighten screw 4 × 4 of vertical adjusting shaft securely.
NOTE • Stitches will tend to pucker in fine fabrics or feed dog will touch needle plate, in case feed dog reaches to
higher position.
• Fabrics will not be fed sufficiently or feed dog will touch other parts like double chain looper, in case feed dog
reaches to lower position.
• Set the cut mark on the vertical adjusting shaft to the front, and then adjust the vertical adjusting shaft.
How to the gauge
Adjustment for height of differential feed dog
Differential feed dog should be the same level as upper surface of needle plate when main feed dog goes
down and reaches the same level as upper surface of needle plate. Adjust by loosening set screw of
differential feed dog.
NOTE • Adjust at position of "1.0" of feed ratio.
• Differential feed dog should not be inclined when tightening set screw of differential feed dog.
• In case difference between height of main feed dog and differential feed dog is too much, fabrics will not be
fed correctly
Height of feed dog (with a differential feed dog)
Main feed dog
Differential feed
dog
Set screw
Gauge
Feed dog
Screw 4 × 4
Set screw
7