Bought house from bank and trying to retrive lock combination

For $9 you can get the df-59 key and spanner wrench from this company:
http://www.ckilock.com/Mpage18.asp ,10th item down on page

C.K.I. Wholesale Lock Supply 1-800-445-5230
Their item number SMPBC201278

Hope this helps!

I don't know whether this can be done. I recommend that you contact Kaba Ilco directly for assistance:
Customer service can be contacted from this link:

http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Tech Support from this link:
http://www.kaba-ilco.com/access_control/support_contacts/technical_support.aspx

Customer service can be contacted from this link:

http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Tech Support from this link:
http://www.kaba-ilco.com/access_control/support_contacts/technical_support.aspx

I will give you several sources of information for you to pursue.
First is a link to a chart where you can download PDF files for your lock ( the L1000):

http://www.kaba-ilco.com/access_control/literature/literature_grid_mechanical_pushbutton_locks.aspx?id=13&obj=l1000
There is a link on that page where you can download and install Adobe Reader in order to open and view PDF files, if you don'ta already have it installed on your computer.

Aditionally, here is a link to a website wherein it is described how to change the combination on the unican lock:

http://www.lilocksmith.com/keyless_Locks/unican1000.htm

A Df-59 key can be purchased at this site:

http://absupply.net/kaba-access-control-lock-1000-series-key-df59.aspx

The spanner wrench (SMPBC201278 Simplex:SpannerWrench $9.00) referred to can be purchased from this site:
http://www.ckilock.com/Mpage18.asp

Customer service can be contacted from this link:

http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Tech Support from this link:
http://www.kaba-ilco.com/access_control/support_contacts/technical_support.aspx

Good luck!

I can't help you directly, but I can steer you to their Tech service:
Tech Support from this link:
http://www.kaba-ilco.com/access_control/support_contacts/technical_support.aspx

And Customer Service from this link:
http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Manuals from this site:
http://www.kaba-ilco.com/access_control/literature/literature_grid_mechanical_pushbutton_locks.aspx?id=13

These are PDF files, requiring Adobe Reader to open. There is a link on the same page to download Adobe reader.

Good luck!

Here is the "literature grid" from the KABA website, which has manuals and parts lists for the
Simplex mechanical pushbutton locks:

http://www.kaba-ilco.com/access_control/literature/literature_grid_mechanical_pushbutton_locks.
aspx?id=13

Good Luck!

Customer service can be contacted from this link:

http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Tech Support from this link:
http://www.kaba-ilco.com/access_control/support_contacts/technical_support.aspx

Yow will find a link to download the manual for your model on this page:

http://www.kaba-ilco.com/access_control/literature/literature_grid_mechanical_pushbutton_locks.aspx?id=13

These are PDF files, requiring Adobe Reader to open. There is a link on the same page to download Adobe reader.

Customer service can be contacted from this link:

http://www.kaba-ilco.com/access_control/support_contacts/service_and_support.aspx

Good luck!

The spanner wrench (SMPBC201278 Simplex:SpannerWrench $9.00) referred to can be purchased from this site:
http://www.ckilock.com/Mpage18.asp

Your screwed.