# Complex Repairs

* [vacuum-pump-replacement](https://docs.voltera.io/docs/repairs/nova/nova-repair-guides-catalog/complex-repairs/vacuum-pump-replacement "mention")
* [bridge-replacement](https://docs.voltera.io/docs/repairs/nova/nova-repair-guides-catalog/complex-repairs/bridge-replacement "mention")
* [x-carriage-pcb-replacement](https://docs.voltera.io/docs/repairs/nova/nova-repair-guides-catalog/complex-repairs/x-carriage-pcb-replacement "mention")