Y-Tensioner And Housing Removal - HP C2858A Service Manual

Y-TENSIONER AND HOUSING REMOVAL

To remove the Y-tensioner and housing, perform the following procedure:
1. Remove the left endcover.
2. Slide the pen carriage a few inches towards the center of the plotter in order to access
the tensioner.
3. Remove the trailing cable guide screw which attaches the guide to the tensioner
housing.
4. Using a TORX T-15 screwdriver, remove the tensioner plate screw. See Figure 6-25.
The tensioner plate is under spring tension. Ensure
C A U T I O N
that the plate does not spring back. Hold the right end
(viewed from the rear) of the tensioner plate to keep the
tensioner spring compressed. Move the plate to the right
until it clears the slot in the housing.
5. Carefully move right end of the tensioner plate up and clear of the retaining tab.
6. Decompress the tensioner spring by allowing the tensioner plate to move toward the
rear of the plotter.
7. Remove the Y-tensioner spring and Y-tensioner from the housing.
8. Using a TORX T-15 screwdriver, loosen the Y-tensioner housing screw.
9. Remove the Y-tensioner housing from the Y-tensioner bracket.
10. Release the main idler from the pen carriage belt.
11. Lift the Y-tensioner housing clear of the plotter.
Removal and Replacement
6-36