Page 22 MAINTENANCE SECTION 2 LUBRICATING Apply grease to the grease fitting shown by arrows. 1 1. Center drive shaft spline (1 point) AIR DRYER If the air dryer is installed as an option, carry out the following inspection, and if there is any abnormality, contact your distributor. . Open the air tank drain valve and check that nothing is drained. Mote that if the temperature around the tank is lower than 16°C. a small amount of water may be collected in the drain. . Check that there is no abnormal inclusion of oil in the water drain from the exhaust port of the air dryer.