Operation and Maintenance Manual SC9DF Electronically Controlled Diesel Engine for Agricultural Equipment
44
Fill the cooling system with clean water
△caution: Air must be exhausted out from the engine and
intercooler to ensure the cooling system is filled up with
cleaning water. Do not install the filler cap and the new
coolant filter.
Start the engine and run it for 5 minutes after the coolant
temperature goes higher than 80℃.
Stop the engine and discharge all clean water.
△Caution: If the discharged water is very dirty,
continue to fill clean water to water the system
until discharged water becomes clean.
Refill the coolant into cooling system
△Caution: It’s prohibited to use water without additives
as coolant; otherwise, the engine will be seriously
damaged due to rustiness.
Refer to Section 2.4 for a correct mixture of water, anti-freeze
liquid and antirust liquid. Make sure the mixture must be made
before being added into the cooling system.
△Caution: Air in the water passage must be discharged
when filling the coolant, therefore, the bleeding valve in the intercooler (if equipped) must be opened. Slowly
fill the coolant to avoid air block and wait for 2 to 3 minutes to allow the air to be discharged fully. The coolant
shall be filled into the radiator until it reaches the bottom of the
coolant filler port or inspection port.
Start
Coolant
temperature
Water Water
Ethylene
glycol
Ethylene
glycol
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