IBM TS4300 3555 User Manual page 169

10. Unlock the lever and set aside the accessor. See Figure 72 on page 137.
Important: If a tape cartridge is still in the cartridge carrier, remove the cartridge by lifting it straight
up. You might need to move the cartridge slightly from side to side.
11. Replace the spooling mechanism. Refer to "Removing or replacing a spooling mechanism" on page
143.
Installing the accessor into the Base Module
Important: If an accessor assembly is replaced, the minimum library firmware must be 1.2.1.0-A00. Go
to Library > Actions > Update Library Firmware to update the library firmware.
1. Each corner of the accessor has a gear with two protruding pins. Rotate one of the gears on the
accessor so that the two pins are aligned horizontally. See Figure 76 on page 139
Figure 76. Pins are aligned horizontally
2. The accessor is shipped with the robot in the unlocked position. Verify that the replacement unit is
locked, then set it on top of the gears.
3. Place the gears of the accessor into the grooves on the inside corners of the module. Confirm that all
four of the pins are touching the outside of the grooves.
4. Standing at the right side of the module, remove the end of the spooling cable from the park position.
5. Place the spooling cable into the grooves where it attaches to the accessor and rotate it until it snaps
into place. See Figure 77 on page 140.
Chapter 6. Upgrading and servicing 139