What is the reason why diesel generator has power for empty vehicle but sometimes has power for heav

Introduction Diesel generators are powered when empty and sometimes heavy when heavy. What are the reasons for this and how to deal with them? Diesel generator sets can be divided into two types according to the usage conditions: one is mainly based on urban power and

What is the reason why diesel generator has power for empty vehicle but sometimes has power for heav

Diesel generator sets can be divided into two types according to their use: one is based on mains power and the generator set is emergency power supply equipment, and the other is based on generators as the main power supply equipment. The duration of use of the generators in the two situations is very different. Maintenance of diesel generators is generally based on accumulated start-up hours. The first power supply method mentioned above only involves testing for a few hours per month. the second or third technology, the number of maintenance hours before technical maintenance seems to be too long, therefore, it should be flexibly grasped according to the specific situation, and timely technical maintenance can eliminate bad phenomena of the machine as soon as possible, ensure. that the unit is in good condition andextends the life of the machine. Therefore, in order for the diesel engine to operate normally and reliably, the technical maintenance system of the diesel engine must be implemented. Technical maintenance categories are divided into. : 1. First level maintenance inspection (daily or weekly)

2. Second level maintenance inspection (every 250 hours or monthly)

Level maintenance inspection 3 (every 1500 hours or six months)

Note: 1. Level 3 maintenance", "Intermediate maintenance", "Overhaul and maintenance" should be carried out by a generator distributor or dealer diesel

. 2. The backup generator should run the diesel unit regularly for about 30 minutes to evaporate the water in the diesel engine to avoid moisture and corrosion.

(1) First level maintenance inspection

< . p><1> Check the oil level

Use the diesel engine oil dipstick to check the oil level. Reading, the oil level should be checked when the oil returns to the oil pan after a machine shutdown. 15 minutes. The oil level should match that of the original oil pan and the oil level should be kept as close to the high "H" mark as possible.

< p> Warning: never operate a diesel engine when the level is reached. the oil mark is below the low mark "L" or above the high mark "H" (if necessary, add engine oil of the same quality and grade as in the diesel engine)

<2> Check the cooling cooling system

Keep the coolant filled up to the operating level, check the coolant level every day or before starting the machine, analyze the reasons of coolant consumption, check the coolant levelcooling system and only after the cooling system has cooled

<3> Check the intake pipe connections

Check the intake pipe connections to see if the clamps are loose and the hoses are cracked, punctured or worn. If the hose is broken or otherwise damaged, tighten the clamp or replace parts as necessary to ensure the air intake system is properly sealed and all air passes through the air filter

<4>Appearance inspection<. /p>

Check for outside air, coolant, or oil leaks. Tighten screw connections, gaskets, etc. or replace gaskets if necessary. Check if the oil pipe plugs on the oil dipstick are tight. /p>

<5>Checking for damage

Check the fuel system, etc., including investigating fuel pump errors or collisions. If there is damage, check alls connections to check for leaks or damage.

<6>Check the drive belts

Visually check the fan, water pump and charger belts for damage or looseness. If the buckles are damaged, replace them with new ones. And adjust the tightness. If necessary, ask a professional technician to make adjustments.

Things to pay attention to during maintenance

1 The lubricating oil pressure is low.

2. Insufficient power.

3. Coolant or oil temperature is too high.

4. Excessive consumption of coolant, oil and fuel.

5. The engine noise is abnormal, the smoke color is abnormal, and the exhaust pipe is red.

Second maintenance inspection and secondary maintenance inspection

During each secondary maintenance inspection, all items of the primary maintenance inspection must be completed and the following items must be added:

Warning: It is very important to properly maintain the generator during regular secondary maintenance inspections. The direct result of diesel engine operation (including load factor and fuel consumption) is engine oil contamination. After repairing the diesel engine, the added oil must be new oil, and the oil drained from the oil pan cannot be reused.

<1>Replace the diesel engine oil and oil filter

1. Start the diesel engine to reach operating temperature, stop it and remove the oil drain plug from the bottom of the oil tank. (or open it) oil switch) to drain the engine oil.

2. Reinstall the oil inlet screw cap. Tighten the screw cap to a torque of 35 to 40 ft-lbs (47 to 54Newton meters); for Cummins NTA855, K19, Perkins2006TAG, use 45 to 55; foot-pounds (61-75 Newton meters); for Cummins V28, K38, K50 and Perkins3008TAG, 3012TAG, use 60-70 foot pounds (81 -9 Newton meters).

3. Unscrew the combination oil filter, fill the new oil filter with specified clean engine oil, tighten it by hand until the gasket contacts the filter, then tighten 1/ 2 to 3/4 turn.

Note: Tightening with tools will warp or crack the filter head.

4. Add the specified type of engine oil to the crankcase up to the high “H” mark on the oil dipstick.

5. Start the diesel engine and visually check for oil leaks.

6. Stop the diesel engine and wait 15 minutes for the oil to return to the oil pan. Then use the oil dipstick to check the oil level again and add additional oil if necessarye.

<2>Replace the diesel filter, water grid and air filter

Remove the diesel filter, water grid and air filter, then clean the new diesel filter.Clean the filter and fill it with clean diesel. The water grid can be installed directly without adding additional water. The installation method is the same as “Oil Filter Installation Method” above. Clean the air filter interface or dust collection bin before installation.

<3>Cleaning the crankcase fan

Disassemble the crankshaft and fan body, clean the metal parts and rubber parts with the specified cleaning solvent, and then check the installation and check for deformation. and damage. The parts will be replaced with new ones.

Note: CUMMINS&PERKINS diesel engines usually replace the oil, oil filter, diesel filter and water screenu every 250 hours of cumulative operation or six months (whichever comes first), and add DCA anti-rust water if necessary. . Replace the air filter after 450 hours of operation.

Warning: The engine oil you replace must conform to the original engine oil label and the filter must use original parts or reliable accessories, otherwise it may damage the diesel engine or damage the diesel engine. engine, such as burning the crankshaft or pulling the cylinder, sexual damage.

<4>Appearance inspection

Check for outside air leak, coolant leak, or oil leak. Tighten screw connections, gaskets, etc. or replace gaskets if necessary. Check the oil filler pipe caps on the oil dipstick to see if they are tight.

<5>Check for damage

Check fuel system, etc., including checking for errorsbruises on the fuel pump, and check all connections for leaks or damage.

<6>Check the drive belts

Visually check the fan, water pump and charger belts for damage or looseness. If the buckles are damaged, replace them with new ones. And adjust the tightness. If necessary, ask a professional technician to make adjustments.

Things to pay attention to during maintenance

1 The lubricating oil pressure is low.

2. Insufficient power.

3. Coolant or oil temperature is too high.

4. Excessive consumption of coolant, oil and fuel.

5. The engine noise is abnormal, the smoke color is abnormal, and the exhaust pipe is red.

I hope this helps!

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