INSTRUCTION MANUAL - Alessandri srl

4. OPERATION INSTRUCTIONS ––––– 51(4) Checking and replenishing cooling waterBurns from scalding• Never open the radiator filler cap while the engine and radiator are still hot.Steam and hot water will spurt out and seriously burn you. Wait until theradiator is cooled down after the engine has stopped, wrap the filler capwith a rag piece and turn the cap slowly to gently release the pressureinside the radiator.• Securely tighten the filler cap after checking the radiator. Steam can spurtout during operation, if the cap is tightened loosely.1) Check the cooling water level in the sub-tank. If the water level is close to the LOW mark, open the subtankcap and replenish clean soft water to the FULL mark.2) If the sub-tank water level is lower than the LOW mark, open the radiator cap and check the cooling waterlevel in the radiator. Replenish the cooling water into the radiator and sub-tank if the level is low. Refer to 3.4• Check the cooling water level while the engine is cool.Checking when the engine is hot is dangerous. And the water volume is expanded due to the heat.• Daily cooling water level check and replenishing shall be done only at the sub-tank. If the cooling water isclose to the LOW mark, open the sub-tank cap and replenish only clean soft water to the FULL mark.Usually do not open the radiator cap to check or replenish.