Duerkopp Adler 506-3 Service Instructions Manual page 16

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Adjustment:

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Fold the upper part of the machine aside.

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Undo locking screws 6.

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Undo locking screws 8 on adjustment ring 9.

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Extract driver with driver shaft 7 forwards from the shuttle-track

support 10.

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Once the driver shaft 7 has been dismantled, remove or add

shims 12. The shims can be found in the accessory kit.

Hint

The use of a smaller needle normally requires a shim to be added

and vice versa.

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Replace driver with driver shaft 7 in the shuttle-track support 10

and push it back as far as it will go.

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Push adjustment ring 8 as far as it will go against the end of the

shuttle-track support 10.

–

Fully tighten locking screws 8.

This prevents the driver from being axially shifted.

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Reset the loop stroke (see chapter 3.5).

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Check the setting by turning the belt pulley on the arm shaft. The

right-hand side of the needle must be parallel to the driver and at a

very small distance from it.

If the setting is not correct the adjustment process must be

repeated.

CAUTION:

After adjusting the driver/needle distance it is essential to readjust the

loop stroke as described in chapter 3.5.

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