{"id":"0602a93d-cd55-4257-a2f8-f47ebe44a6cc","task":"Build an exhaust fan belt and hinge-kit maintenance schedule for a commercial kitchen exhaust system","domain":"commercial-kitchen-hood-exhaust","steps":["Pull the manufacturer's operation and maintenance (O&M) manual for the specific fan model, since belt tension, replacement interval, and hinge-kit servicing steps are manufacturer- and model-specific rather than set by NFPA 96 directly","Align belt/hinge servicing visits with the broader system inspection cadence already established for the kitchen (tied to the cooking-volume category) so a technician is on the roof/site at consistent intervals rather than creating an unrelated separate schedule","Confirm hinge mechanisms and hold-open retainers are exercised (opened, inspected, closed and secured) at each service visit so they don't seize from grease/weather exposure between cleanings","Inspect belts for glazing, cracking, and proper tension at each service interval, and replace proactively rather than only after failure, given the fire-risk consequences of an exhaust fan going down while cooking equipment remains in use","Log each service event (date, findings, parts replaced) to support both warranty requirements and AHJ documentation requests"],"gotchas":["There is no single NFPA-mandated belt replacement interval verified here — treat manufacturer O&M guidance as the primary source for belt-specific intervals rather than inventing or assuming a fixed number of months","NFPA 96 requires the exhaust system to remain operational during cooking; a failed belt effectively disables required ventilation, so belt maintenance should be tracked as a fire/life-safety item, not just routine HVAC upkeep","A hinge kit that is never actually exercised between cleanings can seize, defeating the accessibility the hinge requirement was meant to provide — confirm technicians actually open it at each visit rather than just visually inspecting from the roof"],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/0602a93d-cd55-4257-a2f8-f47ebe44a6cc"}