How to deal with the leakage fault of the Lanbao filling machine?

First, the leakage is very slight, so don't worry.

Slight leakage mostly occurs in the number of kilometers within 100,000 kilometers of quasi-new cars, if not carefully observed even difficult to find, mainly manifested in the engine is very dirty, oozing a very small amount of oil and dust mixed in the form of sludge attached to the engine surface. The location of the sludge is mostly near the oil pan, oil filler port and exhaust valve, and in many cases, this sludge is caused by "unknown causes".

In this case, there is obviously no need to worry too much, you should focus on observation to find out the problem, most of them are not necessary to repair, but you should check the oil scale regularly. Because considering that once the engine leaks, the most feared thing is that the engine will be lubricated due to lack of oil, resulting in wear, so it is necessary to regularly observe the oil level. If the cause of the unknown sludge on the surface of the engine is difficult to find, you can choose a more viscous oil, which will have better self-sealing and reduce the symptoms.

Second, there is an inconspicuous isolated oil seepage point at the joint of the oil pan.

This situation mostly occurs in new cars or quasi-new cars and other non-old cars, which may be related to poor sealing of the cylinder gasket strip or cylinder head deformation, etc., the sealing gasket sealing is congenitally insufficient, and sealant needs to be used to assist in sealing, in this case, there is no need to replace the gasket, but it needs to be glued. In this case of the engine, it is also necessary to ensure that the oozing oil does not come into contact with the brake disc and the belts. This kind of oil seepage is relatively rare, and it may also be caused by the oil leaking out due to poor sealing caused by the oil drain bolt being too loose, plus bumps and splashes.

Due to the harsh operating environment of the reducer, there are often failures such as wear and leakage, and the most important ones are:

1. Wear of the reducer bearing chamber, including the wear of the shell bearing box, the bore bearing chamber of the box, and the bearing chamber of the gearbox;

2. The shaft diameter of the gear shaft of the reducer is worn, and the main wear parts are in the shaft head, keyway, etc.;

3. The bearing position of the reducer drive shaft is worn;

4. Leakage of the joint surface of the reducer.

For the wear problem, the traditional solution is to repair the problem by machining after repair welding or brush plating, but both have certain drawbacks: the thermal stress caused by the high temperature of repair welding cannot be completely eliminated, which is easy to cause material damage, resulting in bending or fracture of the part; However, brush plating is limited by the thickness of the coating, which is easy to peel off, and the above two methods are to repair the metal with metal, which cannot change the "hard to hard" fit relationship, and will still cause re-wear under the comprehensive action of various forces. For some large bearing enterprises, it is impossible to solve it on the spot, and it is mostly dependent on outsourcing repair.

In view of the above problems, the repair method of polymer composite materials is mostly used in contemporary Western countries, which has super adhesion, excellent compressive strength and other comprehensive properties. The application of polymer material repair, can be disassembled and machined without the influence of thermal stress of repair welding, repair thickness is not limited, at the same time, the product has the metal material does not have the concession, can absorb the impact and vibration of the equipment, avoid the possibility of wear again, and greatly extend the service life of the equipment components, save a lot of downtime for the enterprise, create huge economic value.

In view of the leakage problem, the traditional method requires disassembling and opening the reducer, replacing the sealing gasket or applying sealant, which is not only time-consuming and laborious, but also difficult to ensure the sealing effect, and leakage will occur again during operation. Polymer materials can be treated for leakage on site, and the material has superior adhesion, oil resistance and 350% elongation, which overcomes the impact of reducer vibration and solves the problem of reducer leakage for enterprises.

1. Too much carbon deposits inside the throttle or engine.

2. After the failure of the oxygen sensor, the mixture is out of balance. This phenomenon is easy to occur if you drive at low speeds in urban areas for a long time.

3. The phenomenon of leakage of the fuel injector leads to the fact that the fuel injector is still in the state of oil supply after the throttle is collected, resulting in the mixture being too thick when driving at low speed, resulting in unstable idle speed after the fuel injector. If it is severe, it will be turned off directly.

When the fault light is on, start and stop the vehicle three times in a row, or you can unplug the negative pole of the engine battery and wait for 30 seconds before connecting it. After doing the above method, see if the engine fault light on the dashboard is still on. The above method is only for the false fault of the engine, if it is invalid, you need to go to the 4S store to use the fault detector for troubleshooting before it can be eliminated.

A little experience of non-professionals: the engine fault light is on, and the computer detects that the three-way catalytic oxygen sensor is faulty, and it is recommended to replace it; Temporarily eliminated, the follow-up is still out! The individual changed the oil from 92 to 95 (in the early days, it was 93 to 97), and it never appeared again!

The reason is not clear, but it is really practical, and the practice is in the two personal cars, and it has been tried and tested!

What you say now is too broad, or directly say your car or what kind of fault, so that we can help you analyze it, you are better to accept, the upstairs brother said that, more professional. I am engaged in this kind of work, and I can understand it at a glance, and I may not understand it if I am not in this industry.

You can go to the 4S shop for repairs.

There are many ways to do this.

1. At various speeds, the muffler emits a rhythmic "sudden" sound and slightly emits black smoke;

2. The speed cannot be raised to high speed, and the power of the car is obviously insufficient;

3. The engine is not easy to start; It is not easy to speed up (stuffy) after starting, the car is weak to drive, and when accelerating sharply, the carburetor sometimes backfires, and even the engine is easy to stall, and the engine temperature is high;

4. The engine accelerates slowly under idle conditions, but when accelerating sharply, the engine speed cannot be increased, and sometimes the carburetor is tempered;

5. The engine temperature is normal, and it works well at low, medium and high speeds, and after relaxing the accelerator pedal, the speed is too high or the idle speed is unstable or even stalled;

6. The steering wheel trembles at high speed;

7. Deviation when driving.

An "engine" is a machine that can convert other forms of energy into mechanical energy, such as internal combustion engines (gasoline engines, etc.), external combustion engines (Stirling engines, steam engines, etc.), electric motors, etc.

Common faults of automobiles and solutions First, the engine can not start. Causes: a. The engine has been flushed, causing water to enter the distributor, ignition module, spark plug, high-voltage line, etc.

b. The spark plug is damaged. c. The battery voltage is insufficient. d. The inertia switch is disconnected.

Preventive and solution measures: a. Avoid direct flushing of the engine. b. Regularly inspect, adjust or replace the spark plugs.

c. Designated service station to inspect and replace damaged parts. d. Charge the battery. e. Press the inertia switch to restore the circuit.

2. The engine is turned off when changing gears. Causes: a. The idle speed is too low.

b. The idle shut-off valve is not tightened. c. The gear is too high. d. The oil-gas separator is seriously blocked.

Preventive and solution measures: a. Adjust the idle speed to normal speed. b. Check whether the idle stop valve is tightened and whether the plug is tightened.

c. Shift into a lower gear. d. Clean the oil-gas separator at the designated service station. 3. The steering wheel trembles at high speeds.

Causes: a. The tire is not dynamically balanced after disassembly. b. The balance weight on the wheel falls off.

c. The wheels are stained with mud. d. The wheel is deformed by impact. Preventive measures:

a. Carry out tire dynamic balance testing. b. Pay attention to cleaning the wheels. c. Replace the wheels.

Fourth, the turn is heavy. Causes: a. Insufficient tire pressure.

b. The power steering fluid is not enough. Preventive measures: a. Inflate the tires.

b. Add power steering fluid. Fifth, deviation when driving. Reason:

a. The air pressure of the left and right tires is inconsistent. b. The front wheel alignment is not accurate. c. A certain brake is locked.

Preventive measures: a. Check and adjust the tire pressure. b. Go to the designated service station for maintenance.

According to the fuel division: gasoline engine and diesel engine;

According to the way of work, there are: two-stroke engine and four-stroke engine;

According to the combustion mode, there are EFI and direct injection;

It's extensive!

1. Common faults of automobiles: the engine cannot be started.

Common causes:1The circuit is faulty or the battery is dead. 2.Ignition coil or spark plug failure. 3.The oil circuit is faulty, the oil pump is damaged, and the oil tank is free of oil.

Solution: If the battery is out of power, you can use the wire or emergency power supply for ignition, and then, it may be a circuit oil circuit failure, it is recommended to send it to the repair shop.

2. Common faults of automobiles: punctures, punctures and other faults.

Solution: The spare tire should be replaced in time, or the tire should be repaired. If it is a flat-proof tire, although you can continue to drive with a flat air, it is still recommended to repair the tire in time.

When a tire bursts, remember not to slam on the brakes, slam the direction, hold the direction, brake slowly, and deal with it calmly. After the car is stopped, change the spare tire or contact the rescue.

3. Common faults of automobiles: brake failure.

Common causes:1Maintenance is not in place 2Inadequate operation leads to thermal decay.

Solution: Maintain the brake system. Always check the consumption level of brake discs, brake pads, etc. Try to avoid applying the brakes for a long time in daily driving, and go downhill in low gear. Avoid overheating the brake pads.

Fourth, the common fault of the car: abnormal noise.

Common causes:1Abnormal body noise. 2.Abnormal engine noise.

Solution: If there is a slight abnormal noise in the body, it is usually caused by the lack of rigidity of the body, which will not affect the driving, but if there is a violent abnormal noise, it is recommended to stop and check. The engine screeches are usually caused by timing belts, fan belts, etc.

It is advisable to check components such as generators, water pumps, power steering pumps, etc. And send it for repair in time.

Solution:

Step 1: At the leakage point, stuff what can be stuffed in.

The second step: filling, that is, pouring soil on the filled cement, the pressure is more than 5m, to clearly see that there is no water flow coming out of the soil, that is, the internal pressure has been completely resistant to the water and soil pressure outside the pit.

The third step is to go to the grouting part of the leakage point outside the pit and inject double liquid slurry (cement + water glass).

Step 4: Your sidewalk (pit side) has been leaked, the whole process to avoid heavy machinery back and forth, after the grouting is completed, remember to chisel the sidewalk to fill in and then resume.

Foundation pit leakage precautions:

1. In order to ensure the safety of construction, it is necessary to control the construction quality of the waterproof curtain and ensure its continuity.

2. Carry out construction in strict accordance with the design and specifications. Before construction, the manufactural pile test should be carried out according to the design to determine the relevant construction parameters and construction technology, and the verticality and lifting speed should be strictly controlled in the construction. In this way, the quality of the pile can be ensured, the waterproof curtain is continuous and closed, and the waterproof effect can be ensured.

3. Construction in strict accordance with the approved excavation plan. Excavate the stress relief ditch first, and then excavate the soil in layers according to the soil conditions. Close to the side wall of the support pile, pay attention to the observation while excavating (at this time, ensure that various emergency supplies such as water glass, cotton yarn, woven bags, cement and so on are in place, and regularly overhaul the grouting machine, generator and other equipment to ensure that in the event of an emergency, the normal use of machinery and the timely use of materials), once a water leak is found, timely plugging treatment.

4.In the construction of the waterproof curtain, if you encounter an underground obstacle, it is best to go around. Although part of the engineering volume is increased, the continuity of the waterproof curtain can be ensured.

5. For the same project, it is best to use a method of construction, and give priority to the deep stirring pile to stop the water. Determine the reasonable number of machinery and construction sequence, and at the same time strengthen mechanical maintenance, prevent mechanical failures and downtime, and reduce cold joints as much as possible. For unavoidable cold joints, it is necessary to flow the tenon lap or use the rotary grouting pile to reinforce.

6. Strengthen the investigation of hidden dangers in foundation pit excavation, strengthen the sealing of the joints of the water-stopping piles with water leakage, deal with them in place, dig a place, plug a place, and the joints of the water-stopping piles are not treated well, and continue to excavate downwards to strictly prevent the occurrence of quicksand, mud and other phenomena.

7. During the excavation of the foundation pit, do a good job in monitoring the deformation of the foundation pit, analyze the monitoring data in a timely manner, achieve information construction, reasonably arrange the construction process according to the monitoring of the foundation pit, and take effective construction measures to ensure the safety and stability of the foundation pit and the surrounding buildings.

8. Formulate a sound emergency plan, improve the emergency response mechanism, ensure that when an emergency occurs, respond quickly and deal with it in a timely manner, curb the expansion of the situation, and avoid serious consequences.

Is there any gushing water? Is there any entrainment of sediment? How to stipulate the design of foundation pit support? How is the foundation pit deformed? Some supports are originally designed with water holes. The following is for reference.

First of all, the situation (failure of the precipitation well) will be reported to Party A's supervision, foundation pit design unit. If you don't want to take this responsibility yourself. Then decide whether to take urgent alternative measures.

At the same time, foundation pit monitoring is carried out immediately. Deformation anomalies are reported immediately. Then look for the reason for the failure.

Let the foundation pit design unit decide what to do. Most likely, it is the reconstruction of the dewatering well.