Bonfiglioli Gearbox VF250

Check the oil level according to the tables provided in the 'LUBRICATION' section of the manual

Is the oil level within the specified range?

Check for signs of lubricant leaks near the gearbox

Were any lubricant leaks detected?

Identify the cause of anomalies

Place a suitable container under the drain plug

Remove the filler and drain plugs

Wait for a few minutes to ensure all the oil has drained out

Thoroughly clean the drain plug magnet (if fitted)

Fit a new seal and refit the drain plug

Fill gearbox with oil to the midpoint of the sight glass, or to the reference notch on the dipstick, or until oil starts to flow out of the level hole

Inspect for oil leaks, external seals, and gaskets

Identify the type of yellow oil level plug

Is the oil level more than 3 mm below the spill level?

Top up oil if level is below the spill level

Identify and describe the reason for the drop in oil level

Does the oil level lie between the MIN and MAX markings on the dipstick?

Restore the correct oil level if it lies outside the MIN and MAX markings

Is the gearbox lubricated for life?

Change the synthetic oil and bearing grease if not lubricated for life.

Have all externally accessible seal rings been replaced due to prior issues?

Replace all externally accessible seal rings if not already done.

Has a general overhaul been performed earlier due to malfunctioning?

Perform a general overhaul of the gearbox if not done earlier.

Remove dust from the gearbox and motor casings

Is the noise generated at constant load consistent?

Is there excessive vibration or noise?

Enter the power absorption value

Are power absorption and voltage within nominal values?