Emergency generator weekly test checklist

Fuel tank — Fuel level

• Above the site minimum (Conforming)
• Below the site minimum (Non-conforming)

Engine and bund — Any fuel, oil or coolant leak on the engine, piping or bund?

Engine oil — Oil level between the dipstick marks

Coolant — Coolant level correct in the expansion tank

Block heater — Engine block warm to the touch (heater working)

Battery charger — Charger on, no fault, charging voltage within its range

Starter batteries — Terminals clean and tight, no corrosion, electrolyte level correct on vented batteries

Air intake and radiator — Air filter indicator not in the red; radiator and louvres unobstructed

Run test — Run the set on load or off-load, as the site rule requires, for the specified duration

Starting — Engine starts at the first attempt

Output voltage — Voltage within the nameplate range on every phase

Output frequency — Frequency within the nameplate range

Engine — Oil pressure and coolant temperature in the normal range, no alarm

Exhaust and running — No abnormal smoke, exhaust leak, noise or vibration

Transfer switch — Automatic transfer switch back in AUTO

Controller — Controller in AUTO, no alarm, emergency stop reset

Logbook — Record run hours, test duration and any fault in the logbook

Remarks — Observations for the next service