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康亮机电

Kangliang Electromechanical Equipment Co., Ltd.

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National Service Hotline: 136-7735-6587


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Phone: (0769) 87186846

186-8866-08l5 <Guangdong>

136-7735-6587 <National>

Address: Zhangyang Management Zone, Zhangmutou Town

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Dongguan Kangliang Electromechanical Equipment Co., Ltd. introduces the inspection steps before diesel engine test

发表时间:2017-12-15 17:17:13 【 Popularity: 1468Published time: 2017-12-15 17:17:13 [Large Middle Small]
Dongguan Kangliang Electromechanical Equipment Co., Ltd. introduces the inspection steps before diesel engine test

1) Check whether the surface of the unit is clean; whether the ground nuts, flywheel screws and nuts of other moving parts are loose, and tighten them if they are found.

2) Check whether the clearance of each part is correct, especially check the clearance of each inlet and exhaust valve and whether the clearance of the pressure reducing mechanism meets the requirements.

3) Put each cylinder in the decompression position, turn the crankshaft to check whether there is any abnormal sound of the operating sound of each cylinder's parts, and whether the crankshaft rotates freely. At the same time, pump the oil into a friction surface, then close the decompression mechanism and shake the crankshaft Check the cylinder for air leakage. If you shake the crankshaft, it feels very laborious, indicating that the compression is normal.

4) Dongguan Kangliang Electromechanical Equipment Co., Ltd. checks the fuel supply system. The steps are as follows:

① Check if the vent hole on the fuel tank cover is smooth. If there is any dirt in the hole, it should be removed. Whether the added diesel meets the required grade, whether the amount of fuel is sufficient, and turn on the oil circuit switch.

② Open the decompression mechanism and crank the crankshaft. Each cylinder should have a crisp injection sound, which indicates that the injection is good. If the sound of fuel injection does not come, there may be air in the oil circuit. At this time, you can loosen the air filter screw of the diesel filter and the fuel injection pump to remove air in the oil circuit.

③ Inspect the oil pipes and joints for oil leakage, and find and solve the problems in time.

5) Check the condition of the water cooling system . The steps of Dongguan Kangliang Electromechanical Equipment Co., Ltd. are as follows:

① Check whether the amount of cooling water in the water tank is sufficient. If the amount of water is insufficient, clean soft water should be added.

② Inspect the joint water pipe for water leakage, and solve the problem in time.

③ Check whether the impeller of the cooling water pump rotates flexibly and whether the transmission belt is tight. Check the tightness of the transmission belt, and push it by hand in the middle of the rotating belt. It is advisable that the transmission belt is pressed down by 10 ~ 15mm.


6) Check the condition of the lubrication system, the steps are as follows:

① Check the engine oil pipe and pipe joints for oil leakage, and solve the problem in time.

② Check the amount of oil in the oil pan, pull out the dipstick next to the crankcase, and observe whether the height of the oil surface meets the requirements of the rules. Otherwise, add engine oil. For diesel engines, add No. 8 or No. 11 diesel engine oil in winter and summer. 14th motor oil. In the inspection, if the oil level is found to be above the regulation height, the reason for the increase in engine oil should be carefully analyzed. There are usually three reasons.

a. When adding oil, add too much.

b. Diesel leaks into the crankcase and thins the engine oil.

c. The cooling water leaks into the oil.

③ For oil holes that require manual refueling, all oil should be filled with grease for grease gun.

7) Check the condition of the starting system, the steps are as follows:


① Start the diesel unit with a point. The steps are

a. First check whether the electro-hydraulic specific gravity of the starting battery is in the range of 1.240 ~ 1.280. If the specific gravity is less than 1.180, the battery is insufficient.

b. Check if the power cord is correct.

c. Check the battery terminals for dirt or oxidation, and polish them.

d. Check whether the electric contact of starting motor and electromagnetic control mechanism is good. http://hzbxx.cn/


Dongguan Kangliang Electromechanical Equipment Co., Ltd.

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