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Fill Cummins Engine Coolant Correctly

Jul. 10, 2021


For Cummins generators, correct, timely and careful maintenance can effectively ensure the normal operation of the generator, reduce wear and tear, prevent failures, extend service life, and reduce the operating cost of the generator. Important maintenance content for Cummins generators as follows:

 

Project

Maintenance cycle

Change the engine oil

400 hours, 4 months (whichever comes first)

 

Replace the engine oil filter

400 hours, 4 months (whichever comes first)

 

Replace the fuel filter

400 hours, 4 months (whichever comes first)

 

Replace the coolant

2000 hours, 24 months (whichever comes first)

 

Air filter

Clean up every 100 hours and replace every 500 hours (half the cycle in harsh environments, such as high temperature, dust, humidity)

 

 

The normal use of Cummins diesel generator set is inseparable from the coolant. When filling the coolant, pay attention to the following issues:


diesel generator set.jpg


1. It is not advisable to fill the coolant too quickly, otherwise the gas in the engine water jacket will not be easily discharged, causing the water temperature to be too high when the engine is running.


2. After filling up the coolant, stop the engine after warming up for inspection, and refill until it is full.


3. If the engine is equipped with an intercooler, the air release valve on the water cooler must be opened when filling.


4. The cooling system should be cleaned before using anti-rust and antifreeze on old engines.


5. It is strictly forbidden to use water instead of anti-rust and antifreeze.


6. The engine cooling system must be filled with long-term organic coolant. Ethylene glycol or propylene glycol.


7. The coolant must be filled as required, otherwise it will cause damage to the engine.

 

Specification

Color

Ambient temperature °C

Specific gravity

Ph value

 

-50

Blue

-50

1.070~1.060

7.5~9

-40

Blue

-40

1.060~1.055

7.5~9

-40

Blue

-40

1.055~1.050

7.5~9

-30

Blue

-30

1.050~1.040

7.5~9

-20

Red

-20

1.030~1.035

7.5~9

-10

Red

-10

1.020~1.025

7.5~9

 

Note: The replacement period of anti-rust and antifreeze is two years. In winter, the concentration of anti-rust and antifreeze must be checked.

 

The above is the correct filling of the coolant related to the important maintenance items of Cummins engine compiled by Jiangsu Starlight Electricity Equipments Co.,Ltd. for you. I hope it will be helpful to you. Jiangsu Starlight Electricity Equipments Co.,Ltd. is an earlier manufacturer of generators and diesel generator sets in China. One, providing 15KW-2500KW universal, automatic, four protection, automatic switching, low noise and mobile, etc., high-quality, low-energy generating sets to meet customer power needs, and can also meet users' different voltages. Different frequency requirements, as well as multiple units connected in parallel to the grid power supply system.

 

Looking forward to your inquiry, please send email to us for details sales@dieselgeneratortech.com

 


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