EVERY 500 HOURS SERVICE d. LUBRICATING Apply grease to the grease fitting shown by arrow. e. AIR DRYER If the air dryer is installed as an option, carry out the following in- spection, and if there is any abnor- mality, contact your Komatsu 1. Center drive shaft (3 points) 2. Fan pulley bearing (I point) distributor. Open the air tank drain valve and check that nothing is drained. Note 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 3. Tension pulley bearing (I point) dryer. w-04303 - 89 -