6.11 Inserting and changing the needle with double-needle machines
with disconnectable needle bars
Caution Danger of Injury !
Tur n off t he main switch.
The needle may only be changed with the sewing machine switched off.
–
Tur n the hand wheel until the needle bar has reached its highest
position.
Needle distance up to 3.2 mm
–
Loosen screw 1.
–
Pull the needle downwards out of the needle holder 2.
Needle distance greater than 3.2 mm
–
Loosen screw 4.
–
Pull the needle downwards out of the needle holder 3.
–
Push the new needle into the hole of the needle holder 2 or 3 until
it stops.
Attention!
Seen from the operating side, the needle scarf 4 of the right
needle must point to the right side and t he needle scarf of the left
needle point to the left side.
–
Tighten screw 1 or 4.
CAUTION !
When changing to another needle size, the distance between hook
and needle must be readjusted (see service instructions).
Ignoring the above mentioned hint can cause the following mistakes:
When inserting a thinner needle:
–
Missed stitches
Damage of the thread
When inserting a thicker needle:
–
Damage of the hook tip
Damage of the needle
49
GB
21 34
Keystone Sewing Machine Company, Inc.
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