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7 Repairing the knitting machine
Replacing parts
Replacing needle and coupling part (CMS 520 C+)
7.3.3 Replacing needle and coupling part (CMS 520 C+)
Before being able to pull out the needle rail, the screws of the holding-down
jack bed must be loosened first.
The reason: The jack bed puts pressur
e on the needle rail. This pressure
avoids the needle rail to be pulled out easily (without the use of force).
1. Stop the carriage outside the nee
dle bed.
2. All the springs (1) of the holding-down jacks m
ust be in the position (2)
("Position closed").
3. Remove screw (3) on left and right-hand sides of jack bed.
4. Pull out the wire (4) and insert in th
e groove
(5), below the springs.
5. Push all springs (1) of the holding-
down jacks into the position (6)
("Position open").
The holding-down jacks are relieved.