. MAINTENANCE SERVICE PROCEDURE CLEAN RADIATOR FINS AND COOLER FINS WARNING Never open the engine side cover when the engine is running. Stop the engine completely before starting the cleaning operation. Always wear safety glasses, dust mask, or other protective equipment. Clean the radiator fins if any mud or dirt is stuck to the radiator. CLEAN FINS BY ROTATING COOLING FAN IN REVERSE NOTICE When rotating the fan in reverse, be careful of flying dust and take steps to prevent cloth or other objects from getting caught in the fan. On jobsites where it is easy for dirt to stick to the radiator or cooler, turn cooling fan reverse rotation switch (1) ON to rotate the fan in reverse.
This will blow off the dirt and dust stuck to the radiator or cooler, and can extend the cleaning interval. METHOD OF ROTATING FAN IN REVERSE 4 - 29 If compressed air, pressurized wat er, or steam hits your body directly, or causes dirt to fly, i t may lead to personal injury. NOTICE When the engine is running, even if the switch is pressed, the direction of rotation of the fan do es not change, but the cooling fan reverse rotation pilot lamp on t he machine monitor flashes. Stop the engine, then operate the switch. When the fan is rotating in reverse, the pilot lamp on the machine monitor lights up. Do not carr y out operations while t he p ilot lamp is lighted up.
The machine w operations, always use the fan rota ill be unable to display its performance fully and it may lea d to overheating. For normal ting in the normal direction. n the fan is rotating in reverse, run the engine at low idle, then stop it. If the engine has to be stopped whe n the fan is rotating in reverse, run the engine at low idle, t 1. Turn the starting switch to the OFF position and stop the engine. ON position. n switch (1) to position (a) (ON). 2. Turn the starting switch to the 3. Set cooling fan reverse rotatio