Garage door safety check — spring tension and auto-reverse
12wResearch & PrepGarage door roller inspection and lubrication
12wInspectionGarage door track alignment check
11wInspectionGarage door opener — chain/belt tension and remote programming
11wMaintenanceWeatherstripping replacement — bottom seal and side stops
10wRepairsGarage door lubrication — what to use and what to avoid
MaintenanceGarage door hardware — tighten brackets and replace rusted bolts
10wRepairsGarage door battery backup — test and replace if needed
9wGarage door cable inspection — look for fraying and tension issues
11wGarage door sensor alignment — safety reverse system test
11wGarage door opener remote and keypad programming guide
10w