Hammer Spring Assembly
211
Hammer Spring Assembly
Removal
1. Prepare the printer for maintenance (page 152).
2. Remove the shuttle frame assembly (page 242).
3. Carefully vacuum the shuttle frame assembly.
4. Remove the hammer bank cover assembly (page 200).
ATTENTION
Hammer springs and hammer tips are fragile. Do not touch the hammer
springs or tips. Handle hammer springs by the thick mounting base
only. Apply pressure only to the mounting base.
NOTE:
Replace a hammer spring assembly only if there is visible damage or
broken parts can be seen in the assembly.
5. Remove the mounting screws from the old hammer spring assembly.
(See Figure 33, page 212.)
6. Handling the hammer spring assembly by the mounting base only, gently
pry the old hammer spring assembly off its mounting pins. (See Figure 33,
page 212.)
7. Inspect the hammer bank and the old hammer spring assembly:
a. If there is ink on the hammer bank mounting surface, the hammer
spring assembly mounting surface, or the hammer spring neck or
tines, reinstall the old hammer spring assembly and replace the
shuttle frame assembly (page 242).
b. If the old hammer spring assembly and the hammer bank are free of
ink, install the new hammer spring assembly (page 213).
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