Printronix P7000 Series Maintenance Manual page 291

2 3
1
or
4 2 1 3
Torque Sequence
•
14 inch-pounds (1.58 N
Mounting
Screw (3 or 4)
Hammer Spring
Assembly
Figure 29. Installing the Mounting Screws in the Hammer Spring Assembly
5. Install the mounting screws in the hammer spring assembly. There will be
three or four mounting screws, depending on the printer model. Torque
the inner screw(s) to 14 in-lbs (1.58 N•m), then torque the outer screws to
14 in-lbs (1.58 N•m) in the sequence shown in Figure 29.
6. Lift the tip alignment tool off both hammer springs. Do not bend or re-use
the tip alignment tool.
7. Install the hammer bank cover assembly (page 279).
8. Install the shuttle frame assembly (page 321).
9. Install the ribbon and load paper.
CAUTION
Do not attempt to adjust or "tweak" hammer springs.
10. Run a Diagnostic Printer Test and check print quality (page 211):
a. If print quality is acceptable, return the printer to normal operation
(page 231).
b. If print quality is still degraded, replace the shuttle frame assembly
(page 321).
m)
Hammer Spring Assembly, Version 2
Tip Alignment Tool
291