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Browsing product structure > Expanding or collapsing an assembly

Expand an assembly

Choose View→Expand Below... to expand all nodes below the currently selected node or nodes. Teamcenter displays the Expand to level dialog box, allowing you to enter the desired number of levels to which you want to expand the structure. The structure expands to the piece parts, where appropriate. Teamcenter loads any necessary components from the database.

Note If you try to expand the structure by fewer levels than the existing expansion, the display does not change unless you select the Collapse to level check box in the dialog box. If you try to expand a large assembly, Structure Manager displays an Expanding the tree may take a long time. Do you want to continue? message. Click Yes to continue with the expansion. If expansion of selected BOM line types is restricted by a closure rule, Structure Manager displays a Cannot expand BOM line message.

Source: https://docs.sw.siemens.com/documentation/external/PL20251212545240207/en-US/tc_help/pse/xwp1737253321731/cjc1737253323775/p_pse_expand_assy.html · retrieved Sat Jul 11 2026 00:00:00 GMT+0000 (Coordinated Universal Time)