Spring, Extension, Hammer Bank
364
Spring, Extension, Hammer Bank
ATTENTION
Do not let the hammer bank rotate toward the platen during spring replacement.
Removal
1. Prepare the printer for maintenance (page 313).
2. Remove the ribbon. (Refer to the
User’s Manual
.)
3. Remove the shuttle cover assembly (page 326).
4. Unhook the extension spring from the spring lugs on the hammer bank and shuttle frame. (See Figure 43, page 409.)
Installation
1. Put a dab of IBM #20 bearing lubricant on both spring lugs.
ATTENTION
Make sure the extension spring does not touch the MPU cable after installation.
2. Hook the extension spring over the spring lugs. (See Figure 43, page 409.)
3. Install the shuttle cover assembly (page 326).
4. Install the ribbon. (Refer to the
User’s Manual
.)
5. Return the printer to normal operation (page 314).