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4 Replacing Assembly Units
Replacing the Slipping Clutch at the Ribbon Rewinder
Figure 7 Slipping clutch at the ribbon rewinder
1. PX QL: Lift the electronics unit page 11.
2. Remove the snap ring (5).
3. Pull the clutch (4) from the winder axle (2).
4. Slide the new clutch (4) onto the winder axle (2).
5. Align grooves in the coupling disks (3) with the guides in the collar of the belt gear (1).
6. Slide coupling further until it stops.
7. Secure the snap ring (5).
8. PX QL: Fix the electronics unit page 11.
9. Adjust the clutch 5.1 on page 16.
Replacing the Brake at the Ribbon Unwinder
PX Q without automatic ribbon saver PX Q with automatic ribbon saver
Figure 8 Brake at the ribbon unwinder
1. PX QR: Lift the electronics unit page 11.
2. Remove the snap ring (7).
3. Pull the brake (6) from the winder axle (3). Ensure that the tappet (4) remains on the winder axle. Reattach the
tappet to the winder axle if it has been pulled off. The axle prole is shaped in such a way that the tappet only ts
in one way.
4. Check the position of the spring (2). Ensure that the pin (1) grasps between the spring arms.
5. Slide the new brake (6) onto the winder axle (3) in such a way that it ts on the hexagonal prole of the tappet (4).
6. Push the brake further until it stops in such a way that lever (5) grasps between the spring arms..
7. Secure the snap ring (7).
8. PX QR: Fix the electronics unit page 11.
9. Adjust the brake 5.1 on page 16.
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