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Summary of Cummins Engine Use and Maintenance

Nov 25, 2021 | Operation and Maintenance | 0 comments

Summary of Cummins Engine Use and Maintenance

Instructions for use

The operator of the engine must assume the responsibility of maintaining and maintaining the engine during the use of the engine, so that the Cummins diesel
Oil machine to provide you with the best service.

GENERAL: ENGINE FOR ALL APPLICATIONS BELOW BELOW ENGINE FOR ALL APPLICATIONS

Instructions before starting a new engine Instructions before starting a new engine
1. Fill the fuel system
A. Add clean diesel fuel to the fuel filter, and the diesel specifications should meet the national standards.
b. Check the tightness of the oil inlet line.
c. Check and fill fuel tank.

2. Fill the lubrication system
A. Remove the oil inlet pipe from the supercharger, lubricate the supercharger bearing with 50~60ml of clean lubricating oil, and then put back the oil inlet pipe.
tubing.
b. Fill the crankcase with oil to between the low (L) and high (H) positions on the dipstick. Oil pan or engine must use original
Equipped oil dipstick.

3. Check the air line connections
Check the air compressor and air equipment (if equipped) and the air intake and exhaust system tightness, all clamps, joints must be
Fasten.

4. Check and add coolant
A. Remove the radiator or heat exchanger cap and check the engine coolant level. Add if necessary.
b. Check for coolant leaks; open DCA water cleaner shut-off valve (from OFF to ON)
New engine run-in New engine run-in
Cummins engines are test-run on a dynamometer prior to shipment from the factory and are therefore ready for immediate service. But if fuck
The author operates under the following conditions within the first 100 working hours to obtain the longest service life.

1. Run the engine below 3/4 throttle load for as long as possible.

2. Avoid idling the engine for extended periods of time or at maximum horsepower for more than 5 minutes.

3. Get into the habit of watching the engine gauges closely while operating, if the oil temperature reaches 121°C or the coolant temperature exceeds
When the temperature is 88°C, the accelerator should be closed.

4. During the run-in period, check the oil level every 10 hours.
Maintenance and Maintenance Requirements

air intake system
Make sure the air intake system is clean
Check the intake system for possible leaks
Periodically inspect pipes and clamps for damage and looseness
Maintain the air filter element according to the environmental dust pollution and the indication of the intake resistance indicator, and check the air filter rubber sealing ring and filter paper to ensure that it is in the best condition
If you use compressed air to clean the air filter element, it must be purged from the inside to the outside. The compressed air pressure should not exceed 500KPa to avoid damage to the filter element. The filter must be replaced after cleaning more than 5 times.

★ Dangerous! Dust ingress can damage your engine!

Lubrication system
Engine oil recommendation
When the ambient temperature is higher than -15°C, use SAE15W40, API CF4 or higher oil; when the temperature is between -20°C and –15°C, use SAE10W30, API CF4 or higher oil. Use SAE5W30, API CF4 or higher oil when the air temperature is between -25°C and -20°C. Use SAE 0W30, API CF4 or higher oil when the air temperature is between -40°C and -25°C.

Before starting the engine every day, the oil level must be checked, and the oil must be replenished when the oil is below the L mark on the dipstick – the oil filter must be changed every 250 hours, and the oil filter must be filled with clean oil when changing the oil filter.

Change the oil every 250 hours. When changing the oil, pay attention to check the magnetic core of the oil drain plug. If a large amount of metal is adsorbed, please stop using the engine and contact the Chongqing Cummins service network
When changing the oil and filter, it should be carried out in a warm state, and be careful not to let dirt enter the lubrication system.

Use only Cummins approved Fleetguard filters

Fuel System
Select high-quality high-quality light diesel oil according to ambient temperature conditions
After daily shutdown, the water and sediment in the oil-water separator should be discharged in the hot state
The fuel filter must be changed every 250 hours and must be filled with clean fuel when changing the fuel filter
Use only Cummins approved Fleetguard filters, do not use low quality non-Cummins filters, otherwise it may cause serious failure of the fuel pump and injector
Be careful not to allow dirt to enter the fuel system when changing the filter
Check the fuel tank regularly and clean it as soon as it is found to be dirty.

cooling system
Danger: When the engine is still hot, do not open the radiator cap to avoid personal injury
Check the coolant level before starting the engine daily
Change the water filter every 250 hours.

If the ambient temperature is lower than 4°C, the cooling (antifreeze) liquid recommended by Chongqing Cummins must be used (prepared well). The coolant can be used in an environment above -40°C and can be used continuously for 1 year.

Fill the coolant up to the neck of the water tank or expansion tank
During the use of the engine, the pressure seal of the water tank should be kept in good condition, and the cooling system should ensure that there is no leakage, otherwise the boiling point of the coolant will decrease, which will affect the performance of the cooling system.

Coolant must contain an appropriate amount of DCA to prevent liner cavitation and cooling system corrosion and fouling.

For more information, please refer to the engine operation manual and maintenance manual, or follow the EMAC official website: www.emac.cc
EMAC Group Limited was established in Hong Kong in 2010, aiming to become a solid one-stop supplier for the power machinery industry. EMAC has 4 overseas subsidiaries and 10 independent registered trademarks. Its products are widely used in energy, maritime, automotive, construction, railway and parts and other fields. Based on different types of DCEC engines, EMAC integrates other leading powertrain products into a complete powertrain.

With years of rich experience in powertrain supply, EMAC can quickly understand and respond to customer needs, greatly reducing customer communication costs. EMAC provides one-stop solutions, from pre-design to component supply, from installation to commissioning, from pre-sales communication to after-sales support.

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