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Machine head
4.9.4 Adjusting the thread advancing device
Fig. 52: Adjusting the thread advancing device
①
(1) - Thread advancing device
(2) - Carrier
(3) - Body casting
(4) - Roller
(5) - Clamping ring
Proper setting
• When the thread advancing device (1) is at rest, the distance between
• The control cam (6) makes contact with the clamping ring (5)
• The carrier (2) must have no axial play, but still run smoothly
Setting steps
1. Slacken all 4 setscrews on the clamping ring (5).
2. Push the clamping ring (5) towards the hook bearing as far as it will go.
3. Tighten all 4 setscrews on the clamping ring (5).
4. Release both setscrews on the control cam (6).
5. Turn the lever (7) so that the setscrew (8) on the body casting (3) strikes
6. Set the distance between the roller (4) and the highest point of the
7. Tighten both setscrews on the control cam (6).
8. Release the clamping screw (9) on the lever (7).
Service Instructions 911-211 - 00.0 - 02/2015
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 thread advancing device.
the highest point of the control cam (6) and the roller (4) is 0.1 mm
the hook support.
control cam (6) to 0.1 mm.
②
③
④
⑤
(6) - Control cam
(7) - Lever
(8) - Setscrew
(9) - Clamping screw
⑨
⑧
⑦
⑥
55
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