A diesel generator is the combination of a diesel engine with an electric generator to produce power. This is a particular case of engine-generator. A diesel generator engine is designed to run on fuel oil, however some other generator are modify for liquid fuels or natural gas. Because of their reliability, durability they need less maintenance as well as they are considered less costly to operate because of less fuel cost as compared to the other liquid fuels like gasoline and propane.

Having a well-maintained and well-designed standby power system is the best protection against electric power outages. The preventive maintenance tips for the diesel generator are as follows.

Lubrication Service

The oil of engine must be checked on regular basis while shutting down the generator using a dipstick. Drain back the upper part of the engine oil into the crankcase. make sure to keep the level of oil to the full mark on the dipstick by adding the same brand and the quality of oil. To avoid environmental damage it is important to changed the oil and filter at specific time by generator repairing service in Karachi.

Cooling System

During shutdown periods, check the coolant level at the specified interval. take out the cap of radiator after allowing the engine to cool, and, if required, add coolant until the required level. Heavy-duty diesel engines need a balanced coolant mixture of water, coolant additives and antifreeze. Check the radiator for barriers, with the help of smooth brush or cloth, clean the dirt with caution to avoid damaging the fins. Clean the radiator by using less pressure of compressed air in the opposite direction of normal air flow.

Fuel System

Within one year, diesel is subject to pollution and corrosion, that why it is important to use up stored fuel before it degrades. some times water vapor collects and liquefy in the fuel tank so it is important that the filters of fuel must be drained at the specific intervals.

If the fuel is not used and replaced in six months, polishing of fuel may be required. Preventive maintenance should includes checking the oil level, fuel system, starting system and coolent level. The charge-air cooler pipes should be examine daily for debris, leaks, holes ,dirt, and cracks that may be blocking the fins.

Testing Batteries

Common cause of failure of standby power system is weak starting. The battery of generator should be kept completely charged and be maintained to avoid any problem by testing to know the battery current position and avoid any start-up problem of the generator. The specific gravity and electrolyte should also be cleaned and the levels of the battery should checked regularly by yourself or by the generator home service Karachi.

Routine Engine Exercise

Daily engine exercise keeps the parts of engine greasy and stop oxidation of electrical contacts, use of lubricant helps to give good engine starting. it is recommended to exercise engine at least once a month. No loaded to less than one-third of the nameplate rating. When it comes to engine maintenance, do inspections daily because preventative maintenance is better than reactive maintenance.

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