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Adjustment
13
Parallel guiding of the needle bar
.05.03
13 - 5
Requirement
Guide bar 5 must be parallel to the needle bar.
4
3
2
5
Fig. 13 - 04
Bring the needle bar to tdc (hole 2).
Loosen screws 1,2 and nut 3.
The largest eccentricity of pin 4 must be facing downwards.
Bring the groove on guide bar 5 into a position in which it rests against eccentric pin 4,
turn eccentric pin 4 in accordance with the requirement and tighten nut 3.
Push guide bar 5 downwards and then upwards as far as possible. Bushing 6 must not
move laterally during this movement (readjust eccentric pin 4 if necessary).
Move guide bar 5 until it rests against eccentric pin 4 and tighten screws 1 and 2.
2
1
4
3
6
1
5
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