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Eleventh: Radiator coolant
Check the coolant level before start the engine or after the engine flameout 5 minutes, if can
’t see the liquid
surface,please add the recommended coolant;
Remove the cover, add the mixed liquid which mixed with distilled water and antifreeze 1:1,the distance from liquid
surface to cover is 5-10mm, then install the radiator cover .
Recommended antifreeze: coolant liquid or the same qulity ethylene glycol antifreeze containing silicate
preservatives .
Twelfth: Cooling system
Disassemble fuel tank and radiator fan blades, and check the radiator fan blades,if those are blocked or damaged;
Make the bending fan blades straight, use compressed air or low water pressure to get rid of small insects, mud or
blockages, if the air circulation restricted radiating over 20%,should replace the radiator. (See Figure 12-1 )
Check the radiator pipe, if it gets fissure or ageing,if necessary, with a new radiator replacement;
Check all of the water pipes,clamps and hoops tightness.
（
See the Figure 12-2
）
Summary of Contents for NC250
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