1.

 Possession – rendering equipment unusable – disposition on debtor’s premises.

 After default, a secured party:

 a. may take possession of the collateral; and
 b. without removal, may render equipment unusable and dispose of collateral on a debtor’s premises under section 554.9610.
 2.

 Judicial and nonjudicial process.

 A secured party may proceed under subsection 1:

 a. pursuant to judicial process; or
 b. without judicial process, if it proceeds without breach of the peace.
 3.

 Assembly of collateral.

 If so agreed, and in any event after default, a secured party may require the debtor to assemble the collateral and make it available to the secured party at a place to be designated by the secured party which is reasonably convenient to both parties.