Yes, thanks.
1) find drain plug
2) find filler plug
3) slacken filler plug
4) put container (of sufficient size to hold contents of gearbox) under drain plug.
5) remove drain plug
6) have breakfast and cup of refreshment.
7) check oil us still not draining out.
8) have 11ziz.
9) repeat 7&8 until no oil draining.
10) remove filter and check/ clean.
11) remove container from under gearbox
12) replace filter and drain plug
13) tighten free and drain plug to correct settings
14) remove filler plug completely
15) try, using specialist equipment with long nozzle (garden sprayer or oil can), fill gearbox with MTF.
16) realise you haven't got specialist equipment specified in 15)
17) make specialist filling equipment
18) try again to fill gearbox with MTF
19) after 18). Tighten filler plug to correct torque.
20) clean up mess from oil that has missed container on drive.
Pre-requisites
Vehicle on flat hard surface