³Ô¹Ïtv / SOLDERING ENGINEERINGEvidence review: Reflow Oven Maintenance1AuthorityExact equipment manual and qualified maintenancepersonnel.2ConditionHours plus observations, alarms and processchanges.3CalculationEntered interval only; overdue state retained.4ReleasePost-work equipment and applicable productverification.Explanatory schematic. Not to scale, a process recipe, acceptance limit or inspection evidence.