MAINTENANCE PROCEDURE 4.9.3.e REPLACE FEED PUMP PRE-FILTER Do not replace the pre-filter just after stopping the engine, since each part is still hot. Wait until each part has cooled down. After replacing the pre-filter, connect the fuel hoses securely ao that fuel will not leak. Do not bring fire or spark near the pre-filter. Oils, filters, coolants and batteries are considered special waste and must be collected and disposed of according to the regulations in force. Prepare a container to catch the fuel. 1. Prepare a container under the prefilter (1) to gather the fuel. 2. Remove the precleaner from the clamp (2). 3. Remove the clamp (3) and disconnect the pipe (4) from the precleaner. 4.
Remove the clamp (5), disconnect the pipe (5) from the used precleaner and throw the latter away. 5. Connect the pipes (4) and (6) to a new precleaner and fa- sten them with the clamps (3) and (5). 6. Install the precleaner in the clamp (2) and bleed the fuel supply circuit (See "4.9.3.c CHANGING THE FUEL FIL- TER ELEMENT (WITH WATER SEPARATOR)"). 4.9.3.f CLEAN AND INSPECT RADIATOR FINS AND OIL COOLER FINS 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.
IMPORTANT When use the compressed air, keep a distance from air nozzle, to prevents damage to the fins. To prevent damage to the fins, apply compressed air from and appropriate distance. Damaged fins may cause water leakage or overheating. In a dusty site, check the fins daily, irrespective of the maintenance interval. 1. Open the engine rear cover and cooling cover. For de- tails, see Section "3.2.10 COOLING COVER". 2. Use compressed air, steam, or water to blow off the mud, dirt, and leaves clogging radiator fins and oil cooler fins (1). 199 WARNING WARNING