Brother 2340CV Manuale di servizio - Pagina 14
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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
lever
Belt cover c
1. Remove the the cloth plate cover c.
2. Remove the presser lever.
3. Slide the belt cover c downward to remove it.
4. Remove the rear cover c.
Handwheel
5. Adjust the belt tension by moving the motor plate right and left so that the belt can be pushed down 5.0 - 6.0 mm
when applying a pressure of 500g.
NOTE • When the belt is worn, replace it in the same manner.
• The 3p socket and the oil pan should be parallel.
6. After adjustment, assemble the covers in the reverse order.
Adjustment and replacement for the timing belt
Cloth plate
cover c
Rear cover c
Handwheel
Timing belt
Parallel
Oil pan
Motor plate
3P socket
Timing belt
5.0 - 6.0 mm
Motor handwheel
Front cover
Motor
13