IBM 3590 - Manual (Page 112)

Note: Use care to ensure that the tape is centered over the leader block.
When the tape is centered over the leader block, there will be a 1.9
mm (0.075 inch) gap on both sides of the leader block. See
Figure 23 on page 93.
Failure to properly center the leader block on the tape will cause
the repaired cartridge to fail.
7. Carefully close the insert guide
4 , and then place the insert pin 8 into
the opening of the guide.
Note: Use care to ensure that the insert pin is centered over the tape and
the leader block.
8. Close the insertion lever
9 until it touches the insert pin.
9. Push on the handle of the insertion lever
9 to force the insert pin and
the tape into the leader block.
Note: Push down on the handle smoothly and keep the force centered on
the middle of the insert pin.
10. Open the insertion lever
9 and the insert guide 4 .
11. Remove the leader block from the attachment tool.
12. Inspect the leader block for correct insertion of the insert and alignment
of the tape. See “Leader Block Inspection” on page 93. If the tape and
insert are not correctly aligned, go back to step 4 on page 91 and repeat
the procedure.
13. Use the clutch tool to wind the tape back into the cartridge.
14. Put the leader block in the cartridge.
15. Using the clutch tool
3 , carefully turn the tape reel to tension the tape
inside the cartridge.
16. Remove the clutch tool.
92 3590 Operator Guide