eject job - not ejecting on the right date

Hello,

We just added a 2nd tape library to our NetBackup environment. The new tape library is not ejecting on the same day as our 1st one. How can I make sure that the 2nd tape library ejects on the same day as the other one. We have are tapes eject every two weeks or ever other Friday. We have our tapes eject every two weeks because they go off site. We have the vault job run the same day as the tape pick up. The vault jobs run on a single schedule. There is a vault job for each library.

Envirement
Master server           Solaris 10   running NetBackup 7.5.0.7
Media/robot control server       Solaris 10 running NetrBackup 7.5.0.7

1st  tape library    SL150
2nd tape library    SL500