Setting The Left Lower Shaft Bearing - DURKOPP ADLER 610 Service Instructions Manual

Setting the looper

9.1.3 Setting the left lower shaft bearing

Fig. 29: Setting the left lower shaft bearing
(1) - Gauge
(2) - Rocker bolt
(3) - Face of the lower shaft
Check correct setting
The distance from the center of the needle to the start of the left lower
shaft bearing (6) is to be 39.8 mm and from the center of the needle to the
end of the rocker bolt is to be 38.8 mm.
Setting steps
1. Screw the gauge (1), order no. 0933 000735, onto the needle plate
2. Loosen both clamping screws (5).
3. Move the lower shaft bearing (6) to the gauge (1).
4. Tighten both clamping screws (5).
Faults due to incorrect setting
• Damage to the looper
• Damage to the needle
• Damage to the thread cutter
• Missed stitches
• Thread breakage
Service Instructions 610/630 - 00.0 - 10/2014
WARNING
Risk of injury
Risk of crushing from moving parts
Switch off the sewing machine before adjusting the lower
shaft bearing.
①
② ③
support.
⑥
⑤
④
(4) - Screw
(5) - Clamping screws
(6) - Lower shaft bearing
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