. MAINTENANCE SERVICE PROCEDURE CLEAN RADIATOR FINS AND COOLER FINS WARNING Never open the engine side cover when the engine is running. Stop the before starting the cleaning operation. CLEAN FINS BY ROTATING COOLING FAN IN REVERSE MANUAL FAN REVERSING METHOD reverse rotation switch (1).
4 - 28 engine comple If com pressed air, pressurized wate r, or steam hits your body directly, or causes dirt to fl y, it may l ead to per sonal injury s wear safety glasses, dust m Clean th e radiator fins if any mud o r dirt is stuck to the radiator NOTICE When rot ating the fan in reverse, be ca reful of flying dust, and be not to let any cloth get caught in the fa Dust may rise, so check that there is no one in the surrounding are rotating t he fan in reverse. On jobsi tes where it is easy for dirt to stick to the radiator or c turn coo ling fan reverse rotation sw itch (1) ON to rotate the fan reverse.
This will blow off the dirt a nd dust stuck to the radiator cooler, and can extend the cleanin NOTICE rotate the fan in reverse by hand when carrying out the operation. Never rotate the fan in reverse by ha nd when carrying out the o peration. Before operating the fan reverse rot ation switch, run the engine at l ow id ling. 1. Set the directional lever to the 2. Set the parking brake switch to the ON position to apply th e parking brake. 3. Run the engine at low idling. 4. Pres s position (a) (manual rev erse rotation ON) of cooling f