Hammer Spring Assembly, Version 2 - Printronix P7000 Series Maintenance Manual

Hammer Spring Assembly, Version 2

Removal
1. Prepare the printer for maintenance (page 230).
2. Remove the shuttle frame assembly (page 321).
3. Carefully vacuum the shuttle frame assembly.
4. Remove the hammer bank cover assembly (page 279).
CAUTION
Hammer springs and hammer tips are fragile. Handle hammer spring
assemblies by the thick mounting base only. Apply pressure only to the
mounting base.
5. Remove the screws securing the old hammer spring. There will be three
or four mounting screws, depending on the printer model. (Figure 27.)
6. Using the beveled end of the guide tool included in the kit, gently pry the
old hammer upward and remove it.
7. Discard the old hammer spring assembly and the screws that secured it.
8. Inspect the hammer bank and the old hammer spring assembly:
a. If there is ink on the hammer bank mounting surface that was under
b. If the old hammer spring assembly and the hammer bank are free of
NOTE: A P7X06H/P7X15 lpm version 2
hammer bank is shown here. Removal
is the same for all version 2 hammer
spring assemblies, even though
hammer spring assemblies vary in
number of hammers and number of
mounting screws.
Figure 27. Version 2 Hammer Spring Assembly, Removal
the hammer spring, or if there is ink on the hammer spring assembly
mounting surface that was against the hammer bank, or if there is ink
on the hammer spring neck or tines, ink migration has occured.
Reinstall the old hammer spring assembly and replace the entire
shuttle frame assembly (page 321).
ink, install the new hammer spring assembly, as shown in the next
section.
Guide Tool
Hammer Spring
Assembly
Hammer Spring Assembly, Version 2
Mounting Screw (3 or 4)
289