1. Remove screw plug 1 (see fig. Type 002 Gearbox Oil Filler Plug) oil fill hole.
2. Pour gear oil into the box up to the bottom edge of the oil filler hole.
3. Tighten the oil filler plug to 25 Nm.
4. Raise and secure the front of the vehicle. Start the engine, turn on the third speed and let it run for about 2 minutes.
5. With the engine stopped, unscrew the oil filler plug and add oil again to the lower edge of the oil filler hole.
6. Tighten the oil filler plug to 25 Nm.