. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE machine. REMARK Steam or water can be used instead of compressed air. 11. After blowing dirt out, install cleaning cover (4). 4 - 30 4. Check that the pilot lamp in side the switch and the cooling fan reverse rotation pilot lamp o n the machine monitor are lighted up. At the same time, "COOLING FAN REVERSE" is displayed on the character d isplay, and the fan is set to reverse rotation. 5. Turn the key in the starting start the engine. The cooling fan will rotate i 6. Run the engine at high idle. Select the time for running the engine at high idle as follows according to the condition of clogging. Normal clogging:
1 to 2 min Excessive clogging: 2 to 3 7. After completing the cleani ng, run the engine at low idle for approx. 10 8. Turn the starting switch to t he OFF position and stop the engine. 9. After the fan stops turning, wing bolt (3) to open cleani 10. 12. Run the engine at low idle. 13. Turn the key in the starting switch to the OFF position and stop the engine. 14. Turn starting switch key to t 15. Set cooling fan reverse rota tion switch (1) to position (b) (OFF) to cancel the reverse rotati 16. Check the rubber hose. Re place with a new one if the hose is found to have cracks or to Also, check hose clamps fo