Generally , the service life of spark plugs for high-pressure cleaning vehicles is 15,000 km, and the service life of spark plugs for long-term high-pressure cleaning vehicles is 30000 km. The function of the spark plug is to introduce the high voltage pulse generated by the ignition coil into the combustion chamber, and use the spark generated by the electrode to ignite the mixture to complete the combustion.

Domestic spark plug models consist of three numbers or letters. The preceding number indicates the thread diameter, such as the number 1, which means that the thread diameter is 10mm, the middle letter indicates the length of the spark plug screwed into the cylinder part; the last digit indicates the thermal type of the spark plug: 1-3 is hot type, 5, 6 is Medium, 7 or more cold.

The "gap" of the spark plug is its main working technical index. The gap is too large, the high voltage generated by the ignition coil and the distributor is difficult to skip, which makes the engine start difficult. If the gap is too small, it will cause the spark to be weak, and it is prone to leakage.

There are two kinds of common failures of spark plugs for high pressure cleaning vehicles:

1. The spark plug severely ablates the tip, the electrode melts, and the ablation shows that the spark plug has been destroyed and should be replaced.

2. The spark plug has deposits. The top of the spark plug insulator and the electrode may sometimes have deposits. In severe cases, the engine will not work. If the spark plug is cleaned, it can be remedied temporarily. However, the root cause of the fault must be identified.

High pressure cleaning car spark plug inspection:

1. Disassembly: Remove the high-voltage sub-ring on the spark plug and mark it in the original position to avoid dislocation. During removal, pay attention to remove dust and debris at the spark plug hole in advance to prevent debris from falling into the cylinder. When disassembling, use a spark plug sleeve to secure the spark plug, rotate it to remove it, and arrange it in turn.

2. Check: The normal color of the electrode of the spark plug is grayish. If the electrode burns black with carbon deposition, there is a fault. During the inspection, the spark plug and the cylinder body can be conducted, and the terminal of the spark plug is contacted with the central high-voltage line, and then the ignition switch is turned on to observe the position of the high voltage jump. If the position of the jumper is in the spark plug gap of the high-pressure cleaner, it means that the spark plug works well, otherwise it needs to be replaced.

3 , spark plug electrode gap adjustment: Various models of high-pressure cleaning car spark plug gap are different, generally should be between 0.7-0.9, check the gap size, available spark plug gauge or thin metal sheet. If the gap is too large, use a screwdriver handle to gently tap the outer electrode so that the gap is normal; if the gap is too small, you can use the screwdriver or metal sheet to insert the electrode to move outward.

4. Replacement of spark plugs for high-pressure cleaning vehicles: Spark plugs are easy-to-consum- ing parts. Generally, they should be replaced when they are between 20000-30000 km. Spark plug replacement marks are not flashed or the electrode discharge is ablated due to roundness. In addition, if the use of spark plugs are often found carbon deposition, off the fire, usually because the spark plug is too cold, need to use hot-type spark plug; if there is a hot ignition phenomenon or the impact sound in the cylinder, you need to use cold-type spark plug.

5 , the cleaning of the spark plug of the high-pressure cleaning car : The oil or carbon deposits of the spark plug should be cleaned in time, but do not use flame barbecue. If the porcelain core is damaged or broken, it should be replaced

 The Road Line Marking Machine is suitable for marking lines on the plastic running tracks or artificial lawns.

1.Airless spraying paining technology for which the high-pressure pump is drivenby a gasoline engine as been adopted in the Line Marking Machine to create clear,smooth, saturating and even limes,providing a high working efficiency; 
2.Both sides of the spraying gun are equipped with a limiting disc plates, ensuringthe line free of raw edges, such plates may be lift through a pulling line insteering, turning flexibly; 
3.The spraying gun may be conveniently dismantle different nozzles and control theline width,suitable for common airless spraying for marking or labels; 

4. Road line marking machine runs by pushing,with convenient turning ,reliable orientation and flexible turning.


Main scope: Concrete Grinding machines, Floor Polishing Machines, Road Line Marking Machines, Truck Cranes, Road Rollers, Excavators, Concrete Leveling Machines, Power Trowels and other Construction machinery .


Jining oking tec co.,ltd, established in 2010, is a professional manufacturer engaged in the research, development, production, sale and service of Concrete Grinding machines, Floor Polishing Machines, Road Line Marking Machines, Truck Cranes, Road Rollers, Excavators, Concrete Leveling Machines, Power Trowels and other Construction machinery .

We are located in Jining city,Shandong province with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.

In recent years, we have introduced a number of advanced production equipment, and also have an excellent production team and a complete quality assurance system to ensure that each batch of goods is delivered to customers in a timely and high quality.

We also have an excellent management team, experienced technical staffs and professional sales team to solve all problems you encountered before and after sales. In addition, we have obtained I S O 9 0 0 1:2 0 1 5 certificates. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as United States, Europe,Australia, Southeast Asia,Russia,the Middle East,Africa. We also welcome OEM and ODM orders. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.

Road Line Marking Machine


Road Line Marking Machine

Road Line Marking Machine,Road Marking Machine,Line Marking Machine,Road Marking Equipment

Jining Oking Tec Co., Ltd. , http://www.okingmachinery.com