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Machine head
Fig. 21: Setting the hook clearance
①
(1) - Clamping ring
(2) - Screws
(3) - Hook support
1. Lock the machine in place at position 1 ( p. 16).
2. Loosen the screws (2) for the hook support (3).
3. Loosen the setscrews for the clamping ring (1).
4. Move the hook support (3) sideways such that the distance between the
5. Tighten the screws (2) for the hook support (3).
6. Tighten the setscrews for the clamping ring (1).
7. Check the loop stroke position ( p. 21).
8. Remove the lock (
Sequence
Then check the following setting:
• Position of the needle guard
4.4.4 Adjusting the needle guard
The needle guard prevents contact between needle and hook tip.
Service Instructions 911-211 - 00.0 - 02/2015
②
hook tip (5) and the groove for the needle (4) is 0.1 mm at most, without
the hook tip (5) touching the needle.
( 4.4.4 Adjusting the needle guard, p. 25)
WARNING
Risk of injury!
Risk of crushing injuries and stab wounds from
sharp and moving parts.
Switch off the machine before checking and adjust-
ing the needle guard.
③
(4) - Groove for the needle
(5) - Hook tip
p. 16).
④
⑤
25
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