Driven Pulley Removal - Epson perfection 640U Service Manual

EPSON Perfection 640U

4.2.10 Driven Pulley Removal

1. Release the Carriage Lock. (See Section 4.2.1.)
2. Remove the Document Cover. (See Section 4.2.2.)
3. Remove the Upper Housing. (See Section 4.2.3.)
4. Remove the Carriage Unit. (See Steps 1-8 in Section 4.2.5.)
5. Remove the Carriage Unit. (See Steps 1-8 in Section 4.2.6.)
6. Release the timing belt from the Driven Pulley.
7. Use a standard screw driver to remove the Torsion Spring from the
Hook.
8. Remove the screw (CCP, M3x8) securing the Driven Pulley Holder.
9. Take out the Driven Pulley Holder.
10. Remove the E-ring.
11. Remove the Driven Pulley.
Assembly and Disassembly
CCP Screws (M3x8)
Driven Pulley Holder
Driven Pulley
Disassembly Procedures
Hooks
Driven Pulley
Figure 4-30. Driven Pulley Removal
Torsion Spring
Driven Pulley Holder
E-ring
Figure 4-31. Driven Pulley Unit
Revision A
Torsion Spring
E-ring
40