Bonfiglioli Gearbox VF27

Schedule regular cleaning programme for all surfaces and recesses

Implement cleaning programme to avoid dust build-ups of more than 5 mm in depth

Measure surface temperature at the coupling between the gearbox and motor

Measure surface temperature at points most shielded from motor’s fan ventilation

Is the maximum surface temperature within 75 K (90 K for W 110 gearbox) above ambient temperature?

Check the condition of the previously installed heat sensor

Is the gearbox lubricated for life?

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

Replace all externally accessible seal rings

Has a general overhaul been performed earlier due to malfunctioning?

Oil Leak and External Inspection

Inspect for oil leaks, external seals, and gaskets

Identify the type of yellow oil level plug

Check oil level using spill type level plug

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

Top up oil if level is below spill level

Check oil level using level plug with dipstick

Is the oil level within the MIN and MAX markings?

Check the condition of the polymer bushes

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

Replace the polymer bushes with original spare parts if necessary

Verify that the new polymer bushes are properly installed

Place a suitable container under the drain plug

Remove the filler and drain plugs

Allow the oil to drain out completely

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

Thoroughly clean the drain plug magnet (if fitted)