Transfer Gearbox Oil Check/Replacement

NOTE: Vehicles operating under severe conditions of dust, sand, mud or water should have oils changed and lubrication carried out at more frequent intervals than is recommended in maintenance schedules.


INSPECTION
1. Ensure vehicle is level.
2. Disconnect battery negative lead.
3. Clean area around filler/level plug.
4. Remove plug and fill gearbox with recommended grade of oil, until oil starts to seep from filler/level hole.
5. Clean any previously applied sealant from filler/level plug.
6. Apply Hylomar sealant to threads of plug and install plug.
Tighten to 30 Nm (22 ft. lbs.).
7. Wipe away any surplus oil.
8. Reconnect battery negative lead.

REPLACEMENT
1. Ensure vehicle is level.
2. Disconnect battery negative lead.
3. Clean area around filler/level and drain plugs.


WARNING: When draining gearbox care should be taken to ensure that oil is not hot as personal scalding could result.

4. Place a suitable container under transfer gearbox.





5. Remove filler/level plug to vent gearbox and assist draining.
6. Remove drain plug and allow oil to drain.
7. Thoroughly clean drain plug threads prior to applying fresh "Hylomar" sealant. Install plug Tighten to 30 Nm (22 ft. lbs.).
8. Fill gearbox with correct quantity and grade of oil until oil seeps from filler level hole. Wipe away any surplus oil.
9. Thoroughly clean filler/level plug threads prior to applying fresh "Hylomar" sealant. Install plug Tighten to 30 Nm (22 ft. lbs.).
10. Reconnect battery negative lead.