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To remove switching cylinder and needle bar linkage:
1. Remove needle bar linkage (7) ( p. 36).
2. Remove the switching cylinder (6) used for the middle knife drive
Assembling the crank pin
FIg. 15: Assembling the crank pin
(8) - Crank pin
(9) - Screw
(10) - Locating bore
(11) - Thread lever
To assemble the crank pin:
1. Loosen the fastening screws (Caution: Left-handed thread).
2. Loosen the needle bar connecting rod from the crank pin (8) and pull
3. Turn the handwheel until the hexagon screws (14) are facing down.
In this position, the screws are accessible.
4. Loosen the hexagon screws (14).
5. Loosen the screw (9).
24
( p. 59).
⑧
⑨
⑩
it off along with the needle cage.
The screw can be accessed through the hole (3) (figure above).
⑭
⑫
⑪
⑧
(12) - Arm shaft
(13) - Gage
(14) - Hexagon screws
Service Instructions 745-35-10 B/745-35-10 F - 00.0 - 10/2017
Machine head
⑬
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