Adjustment
99-2-01
3
3
4
Fig. 2 - 01
● Disconnect the thread trimmer from the pneumatic network and dismantle the needle
plate and feed dog.
● Position the needle bar at BDC.
● Push aside catcher stop 1 (screws 2).
● Position the tip of thread catcher 1 in front of the needle by shifting the thread catcher
carrier.
● Adjust thread catcher 3 (screws 4) laterally in accordance with requirement 1,
ensuring that the back of the thread catcher is horizontal.
Needle plate, feed dog and catcher stop 1 stay dismantled for the following
adjustments. (Fig.2 -01 shows the hook race of -900/99)
2 - 2
3
1
2
-900/97
-900/99
2.05 Lateral adjustment of the thread catcher
Requirement
1. The tip of the thread catcher 3 must point exactly to the centre of the needle.
2. The thread catcher 3 should not touch anywhere when in motion.
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