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Dongfeng 162 protective assault truck - Fault and exclude - Engine system failure and exclusion (2)

Views: 1     Author: Site Editor     Publish Time: 2021-07-21      Origin: Site

Engine fan is so good

  1. When the car is running, he should first turn off the shutdown to avoid damage to the radiator due to fan blade.

  2. Use the starter to drive the fan low speed, see if there is no operational interference or swing before and after;

  3. Stop the engine rotation, pull the fan blades before and after the hand, if there is any explanation of the fastening bolt of the fan leather pulley or fan, it should be fastened;

  4. When the root of the fan blade is found, it should be replaced in time;

  5. When the fan blade break is not repaired during driving, the symmetrical blade can be removed, and the engine speed cannot be too high.


Water temperature is low and water tank \"Water \"

  1. The water temperature is not high, the coolant in the expansion tank or the heat sink is dramatically tumbling, and the water vapor spill is overflow.

  2. With the rise speed,\"Water \" phenomenon exacerbates, different from \"open pot \" phenomenon;

  3. The coolant is reduced;

  4. \"Water \" is serious, there is water into the cylinder, the exhaust pipe discharges white smoke; even the water rear cylinder is too unable to start;

  5. Diagnose the gas cylinder pad by the cylinder oil fueling method. When this check is performed, the water tank cover should be opened. When the oil tank is not working, the water tank is stopped or weakened, and the exhaust pipe is also improved, indicating that the cylinder cylinder head is rinsed, and should be repaired in time. Replace the cylinder pad;

  6. If there is no damage to the gas cylinder, there is no trace of gas, and there is no sand crack and acupoint etching hole in the cylinder or cylinder head. If it is, it is repaired or replaced.



Engine oil liquid level elevation

1. First pull out the oil feet droplets, take the oil, observe the oil color on the paper and smell. If the color is yellow, there is no other odor, indicating that water enters the crankcase. At this time, it should be excluded according to the cooling system.

2. If there is a diesel odor in the oil, the oil viscosity decreases, indicating that the diesel is leaking into the oil oil. At the start of the diesel oil, it should be found that if the exhaust pipe is black, the speed is abnormal, it should check if the injector's nozzle is closed, there is no drop, and it is repaired. If the engine is insufficient in normal operating temperatures, it should be checked whether the fuel oil pump plunger seeps the diesel and repairs;

3. If it is because the temperature is too low, the diesel atomization is not good, the crankcase is flowed, and the oil surface is increased, and the diesel engine method should be operated according to the low temperature start diesel engine.


Notice

After the inspection and maintenance is completed, the original oil must be released, and the lubrication is cleaned, and the novel oil supplies and quantity of new oils are rejected.


The fuel tank switch does not cause the engine flameout in time

Exhaust the low pressure oil road air. The oil line switch is switched to a fuel tank having a large oil level, and then loosen the flexible bolt on the inlet pipe joint on the engine fuel filter, and press the button on the pre-filter until the discharged diesel is not included. The bubble position, then tighten the discharge bolt by 8N · m torque.


Notice

Each time the starter starts the engine time cannot exceed 30 seconds, the startup interval is more than 2 minutes.


warn

This operation is prohibited in the thermal state to prevent fuel injection to the high temperature.


This article is transferred from: Dongfeng Urban Special Car Co., Ltd. - \"CSK162 Protective Authority User Maintenance Manual (Trial)\"

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