Bonfiglioli Gearbox W75

Ensure cleanliness of components

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

Check the condition of polymer bushes

Are the polymer bushes free from signs of fatigue or damage?

Replace polymer bushes with original spare parts if necessary

Verify that all replaced bushes are securely installed

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

Identify the cause of anomalies, if any

Make necessary repairs if anomalies were found

Remove dust from gearbox and motor casings

Is the noise generated at constant load consistent?

Is there any excessive vibration or noise?

Are power absorption and voltage within nominal values?

Oil Leaks, External Seals and Gaskets Inspection

Inspect for oil leaks around the gearbox

Check external seals for integrity

Inspect gaskets for any signs of wear or damage

Identify the type of yellow oil level plug

Measure the oil level using the appropriate method for the identified plug type

Is the oil level within the acceptable range?

Top up oil if the level is below the acceptable range