Turn wheel until drain screw (A) is at the bottom. Remove drain
screw and drain the oil into a suitable container.
Turn the wheel through 90° so that the OIL LEVEL mark is
horizontal (see Service - Every 250 Hours). Add oil at the hole for
the drain screw until the oil comes up to the lip of the hole.
Re-install drain screw and tighten to 60 Nm (44 lb.-ft.).
Recommended oil
Hy-Gard transmission/hydraulic oil. See also Section 80 (Fuel, Lubricants,
Hydraulic Oil and Coolant).