Replacing The Slipping Clutches - CAB hermes+ Service Manual

4 Replacing Assembly Units
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4.3

Replacing the Slipping Clutches

The rewinder for the transfer ribbon and the internal rewinder are coupled to a slipping clutch in the main drive. The
supply hub of the transfer ribbon is braked with a slipping clutch during printing.
Change the slipping clutch when it can no longer be set  5.1 on page 18. Removal and installation of the slipping
clutch is also required for replacement of a winder.
1
Figure 8
Danger!
Risk of death via electric shock!
 Before opening the housing cover, disconnect the device from the mains supply and wait at least one
minute until the power supply unit has discharged.
Removing the slipping clutches at the rewinders
Figure 9
1. Unplug the printer from the electrical outlet.
2. Remove the rear cover of the printer
3. Remove the snap ring (5).
4. Pull the clutch (4) from the winder axle (2).
5. Slide the new clutch (4) onto the winder axle (2).
6. Align grooves in the coupling disks (3) with the guides in the collar of the belt wheel (1).
7. Slide coupling further until it stops.
8. Secure the snap ring (5).
9. Adjust the clutch  5.1 on page 18.
Slipping clutches
1 2 3
Slipping clutches at the rewinders
2
3
4 5
1 Coupling internal rewinder
2 Coupling ribbon rewinder
3 Brake ribbon unwinder
1 Collar of the belt wheel
2 Winder axle
3 Coupling disks
4 Slipping clutch
5 Snap ring
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