13
2
Changing Assembly Parts
2.7
Changing the Clutch and Brake of the Ribbon Rewinder
The clutch (4) is a pre-constructed assembly group, the brake consists of the form disks (5, 7), the friction disk (6)
and three springs (9).
2
1
3
4
5
6
7
8
9
11
10
Fig. 7
Changing the clutch and brake of the ribbon rewinder
Dismounting
1. Fold up the printhead assembly group, loosen the three screws (2) and lift off the cover (1).
2. Close the printhead assembly group and lay the printer on its side.
3. Undo the snap ring (3) and remove clutch (4), form disks (5, 7), friction disk (6), springs (9) and tension wheel
(11).
Mounting
1. Place the springs (9) into the frame (10).
2. Place and hold the tension wheel (11) into the frame.
3. Set the form disks (7) in line with the retainers (8) of the frame.
4. Place the friction disk (6), form disks (5) and clutch (4) as illustrated.
5. Push the clutch and tension wheel against the frame and fasten the snap ring (3) on the axis of the tension wheel
(11).
6. Check the winding torque (
3.1 on page 19) and correct the settings as necessary. (
3.2 on page 21).
7. Fold the printhead assembly up and fasten the cover (1) with the three provided screws (2).
