I. class a maintenance of diesel generator set (daily maintenance)

l) Check the generator daily report;

2) Check the oil level and coolant level of the generator;

3) Daily inspection of generator for damage, leakage, belt slack or wear;

4) Check the air filter, clean the air filter core, and replace it if necessary;

5) Drain water or sediment from fuel tank and fuel filter;

6) Check the water filter;

7) Check the starting battery and battery fluid, and add supplementary fluid if necessary;

8) Start the generator and check whether there is abnormal noise;

9) Clean the dust of water tank, cooler and cooling net with air.

2、 Class B maintenance of diesel generator set

1) Repeat the daily inspection of Grade A;

2) Replace the diesel filter every 100 to 250 hours; all the diesel filters can not be cleaned, only can be replaced. 100 to 250 hours is only a flexible time, which must be replaced according to the actual cleanliness of diesel oil;

3) Every 200 to 250 hours, the generator oil and oil filter should be changed; the oil must meet the American API CF level or above;

4) Replace the air filter (the unit runs for 300-400 hours); pay attention to the environment of the machine room and decide the time to replace the air filter, which can be cleaned with air;

5) Change water filter and add DCA concentration;

6) Clean the filter screen of crankcase breathing valve. Zhuhai diesel generator sales

3、 Class C maintenance of diesel generator set

When the diesel generator set runs for 2000-3000 hours, please carry out the following work:

1) Repeat level a and B maintenance;

2) Remove the valve cover and clean the oil and sludge;

3) Tighten the screws of each part (including the running part and the fixed part);

4) Clean the crankcase, sludge, iron filings and deposits with engine Jieba;

5) Check the wear degree of turbocharger and clean the carbon deposit, and adjust if necessary;

6) Check and adjust the valve clearance;

7) Check the working condition of PT pump and fuel injector, adjust the stroke of fuel injector, and adjust if necessary;

8) Check and adjust the tightness of fan belt and water pump belt, adjust or replace if necessary: clean the radiator net of water tank and check the performance of thermostat.

4、 Minor repair of diesel generator set (i.e. D level maintenance)

When the diesel generator set runs for 3000-4000 hours, please carry out the following work:

l) Check the wear degree of valve and valve seat, repair or replace if necessary;

2) Check the working condition of PT pump and fuel injector, repair and adjust if necessary;

3) Check and adjust the torque of connecting rod and fastening screws;

4) Check and adjust the valve clearance;

5) Adjust the fuel injector stroke;

6) Check and adjust the belt tension of fan charger;

7) Clean the carbon deposit in the intake manifold;

8) Clean the intercooler core;

9) Clean the whole oil lubrication system;

10) Clean the sludge and metal scrap of rocker arm chamber and oil pan. Zhongshan diesel generator

5、 Medium maintenance of diesel generator set

When the diesel generator set runs for 6000-8000 hours, please carry out the following operations:

1) Including minor repair items;

2) Disassemble the engine (except crankshaft);

3) Check the cylinder liner, piston, piston ring, intake and exhaust valve, crank connecting rod mechanism, valve distribution mechanism, lubrication system and cooling system, and replace them if necessary;

4) Check the fuel supply system and adjust the oil nozzle of oil pump;

5) Generator ball repair detection, clean oil and sediment, lubrication of ball bearings.

6、 Overhaul of diesel generator set

When the diesel generator set runs for 9000-15000 hours, please carry out the following operations:

1) Including medium repair items;

2) Disassemble all engines;

3) Replace cylinder block, piston, piston ring, large and small bearing bush, crankshaft thrust pad, intake and exhaust valve, complete engine overhaul package;

4) Adjust the oil pump and fuel injector, replace the pump core and fuel injection head;

5) Replace the turbocharger overhaul kit and water pump repair kit;

6) Correct connecting rod, crankshaft, body and other parts, and repair or replace them if necessary. Jiangmen diesel generator

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