2. Remove the front protective tray #2.
3. Remove the drain plug and drain the gear oil.
Gearboxes C66M-R, C66MX-R
Gearboxes D66M-R, D66MX-R
Note:replace the part with a new one after each removal.
4. Tighten the drain plug with a new gasket to 39-59 Nm.
5. Remove the test hole plug.
6. Fill the gearbox with the required amount of gear oil.
Gearboxes C66M-R, C66MX-R
Gearboxes D66M-R, D66MX-R
Note:replace the part with a new one after each removal.
7. Install a new gasket on the check hole plug and tighten it to 39-59 Nm.
8. Install front skid plate #2.