. MAINTENANCE SERVICE PROCEDURE CLEAN FINS WITH COMPRESSED AIR Tilt aftercooler (1) at the top front face of the radiator, swing oil cooler (2) at the bottom, then insert the steam jet nozzle through the gap and clean the fins. Turn the knob (4) counterclockwise to release the lock, then swing oil cooler (2). If necessary, band (5) can be fitted to oil cooler (2) to hold it in position after swinging it. 3. Use the steam jet nozzle to blow out the mud, dirt, or leaves clogging the radiator fins or cooler fins. lock it. Check that they are both securely locked in position. 4 - 31 METHOD OF TILT ING AND SWINGING COOLER 1. Turn the start ing switch to the OFF position a nd stop the engine. 2.
Pull lever (3) down to release the lock, then til NOTICE If the steam jet nozz le is brought too close to the radiato r fins, it may damage the fins, so keep the nozz le a suitable distance away from the fins when cleaning. 4. Check the rubber hose. Replace with a new one if the hose is found to have cracks or to be hardened by aging. Also, check hose clamps for looseness. 5. Do as follows to blow out the mud or dirt that has fallen to the bottom. 6. Loosen wing bolt (6) and remove wing bolt (7) to open cleaning cover (8). 7. Insert the air nozzle and blow the dirt out to the front of the machine. REMARK Steam or water can be used instead of compressed air.
After blowing dirt out, install cleaning cover (8). 4. Check the rub ber hose. Replace with a new o ne if the hose is found to have cracks or t o be hardened by aging. ose clamps for looseness. 5. Do as follows to blow out the mud or dirt that 6. Loosen wing bolt (6) and remove wing bolt (7) Steam or water c an be used instead of compress 9. After complet ing the cleaning, push the bottom of aftercooler (1) to l ock it, then push th e front of oil cooler (2) to