MAINTENANCE MAINTENANCE PROCEDURE Radiator Fins, Oil cooler fins - Clean/Check 0. If compressed air, high-pressure water, or steam hit your body directly, or they cause dirt or dust to be blown up, there is a hazard of serious injury. Always use safety glasses, dust mask, or other protective equipment. NOTICE When using compressed air, keep the air nozzle at a distance to prevent damage to the fins. Especially for the aftercooler, blow the air from 300 mm (11.8 in) or more, and at a 45 degree angle. To prevent damage to the fins, apply compressed air from an appropriate distance. Damaged fins may cause water leakage or overheating.
On dusty sites, check the fins daily, regardless of the maintenance interval. 1. Open the engine hood and cover. 2. Remove bolt (1). 3. Open cover (2) and fix it with the stopper. 4. Remove bolt (3), then loosen bolt (4). 5. Pull oil cooler (5) toward yourself to widen the distance between the oil cooler and the radiator fins. 6. Use compressed air to clean the mud, dust, and leaves from the radiator fins (6), and oil cooler fins (5). Steam or water may be used instead of compressed air. 4-55 WARNING