Bonfiglioli Gearbox VFR49

Switch off power to the gearbox and ensure it is out of service.

Take precautions against accidental power switch-on or unexpected movement.

Eliminate residual gas or dust from the environment.

Disconnect power to the machine and secure all switches in the OFF position.

Secure disconnecting switches with personal devices (e.g., padlocks).

Ensure surfaces have cooled before commencing work.

Wear anti-burn safety gloves if necessary.

Activate all safety devices and inform nearby personnel.

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 the 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

Ensure cleanliness of components

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 oil has drained out

Thoroughly clean the drain plug magnet (if fitted)

Is regreasing of bearings required?

Is regreasing of seals required?

Enter the oil level in the gearbox

Is there any presence of contaminants in the oil?

Is there any presence of water in the oil?

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