Brother 2340CV Manuale di servizio - Pagina 10
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- 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......
Presser bar
guide bracket
Before adjustment, remove the panel assembly. Then turn the handwheel and raise the needle to its highest
position.
1. Raise the presser lever and loosen the set screw 5.95 securing the presser bar winding.
2. To adjust the height of the presser bar, raise the presser lever, and, at the point where the presser bar is horizontal,
raise or lower it until the first step is 4.8 - 5.0 mm above the needle plate. Check also to make sure that the needle
descents of the presser bar are not noticeably out of alignment with the needle descents of the needle plate.
3. After the adjustment has been completed, tighten the set screw 5.95 securely that holds the presser bar winding in
place.
Height of presser bar
Set screw 5.95
1
Needle
descents
2
Presser foot c
2'
4.8 - 5.0 mm (1st step)
How to use the gauge
Gauge
Presser
bar c
Needle plate
Presser bar
9