12. OPERATION 12.1.2.4 CHECK OIL LEVEL IN DRIVE TRAIN, ADD OIL Open the right side door at the hydraulic reservoir. Unscrew the T handle of the oil level gauge, remove the gauge and wipe it clean. 3. Insert the gauge fully into the filler sleeve. Do not tighten. Remove the gauge and check the lubricant level. If necessary, add oil through the filler to bring the level up the FULL mark on the gauge. Reinstall and secure the gauge. REMARK For details of the oil to use, see 20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE. 4. Lift up on lock lever and close door. 2-23