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Electrical thread tensioner
Figure 38: Fitting a thread tensioning spring
(1) - Grub screw
(2) - Inner cylinder
(3) - Tensioning washers
(4) - Trigger pin
Installing the spring
Adjusting steps
1. Pull the loose end of the thread tensioning spring (7) through the slot (6).
2. Insert the thread tensioning spring (7) into the cylinder.
3. Insert the tensioning bolt and tensioning washers (3) into the cylinder.
4. Tighten the grub screw on the cylinder (5).
5. Push the inner cylinder (2) into the housing on the thread tensioner.
6. Tighten the grub screw (1).
7. Fitting the thread tensioner ( Chap. 15.1, p. 46).
Tensioning washer order
Important: Leave the tensioner washers on the tensioner bolt.
If the tensioner washers are removed, you must recalibrate the thread ten-
sion in the software ( Section Subitem Thread Calib, p. 69).
If the tensioning washers are removed from the tensioning bolt, replace
the elements in the following order:
Tensioning
Figure 39: Tensioning washer order
washers
Service Instructions 650-16 Version 00.0 - Last Updated 09/2012
Important: There is a groove on the bottom of the tensioning bolt. This
must be pushed onto the hook (8) on the spring.
Important: The trigger pin (4) must be at the bottom of the cylinder.
(5) - Grub screw on cylinder
(6) - Slot
(7) - Thread tensioning spring
(8) - Hook
(1) - Contour washer
(2) - 1st tensioning washer
(3) - 2nd tensioning washer
(4) - Rubber o-ring
(5) - Adjusting nut
(6) - Grub screw
49
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