High Quality Repair Kit 800647 Diesel Fuel Pump Repair Kit Engine Parts

With its high torque output and good fuel economy, diesel engine plays an indispensable role in heavy transportation vehicles, agricultural machinery, industrial power generation equipment and other fields. As the core component of the fuel supply system, the working condition of the diesel oil pump is directly related to the engine's power performance, fuel consumption and operational stability. Diesel oil pump repair kit as a repair pump failure, restore its performance of the special combination of accessories, for the protection of diesel engines continue to operate reliably is of great significance.

Diesel oil pump common failure analysis
(i) wear failure
Diesel oil pump internal plunger, sleeve and oil valve and other precision moving parts, in the long term to withstand high-pressure fuel high-speed scrubbing and mechanical friction under the dual role of wear and tear is very easy to occur. Wear leads to increased clearance, triggering fuel leakage, which in turn causes the pump output pressure is insufficient, resulting in a decline in engine power, starting difficulties and unstable idling and other issues.
(ii) Seal failure
Seals as a key barrier to prevent fuel leakage, long-term in the high temperature, high pressure working environment, prone to aging, hardening and cracking. Seal failure not only leads to fuel leakage, resulting in energy waste and environmental pollution, but also unstable fuel supply may lead to abnormal engine operation, or even failure to start.
(iii) Stuck phenomenon
The intrusion of impurity particles, lubricant shortage or deterioration, may make the diesel oil pump plunger, oil valve and other moving parts of the stagnation. Once hysteresis occurs, the pump will not be able to complete the normal suction and pressure oil action, leading directly to the engine fuel supply interruption, can not run.

Diesel oil pump repair kit composition and role
(i) components
Repair kit usually covers a variety of sealing components, such as oil seals, O-rings, gaskets, etc.; high-precision friction parts, such as plunger coupling, oil valve coupling, etc.; as well as springs, gaskets, pins and other auxiliary parts.
(ii) Functional role
Seals can rebuild the sealing performance of the oil pump, effectively preventing fuel leakage; friction parts can replace the wear and tear of the parts over the limit, to ensure that the oil pump can produce and maintain sufficient fuel pressure to meet the fuel demand of the engine under different operating conditions; auxiliary parts are coordinated with the components to ensure that the overall structural stability of the pump and the precision of the movement.

Diesel oil pump repair kit in the maintenance of applications
(i) maintenance preparation
Maintenance personnel need to be based on the model and specifications of the diesel fuel pump, accurate selection of the appropriate repair kit. At the same time, prepare a full range of specialized maintenance tools, such as plunger disassembly tools, pressure testing equipment. Before disassembling the pump, the appearance should be carefully inspected, and the position and status of the connecting pipes and fixing bolts should be recorded.
(ii) Dismantling and parts inspection
Follow the standardized disassembly process to gradually disassemble the diesel oil pump. Deeply clean all parts after disassembly, and with the help of magnifying glass, micrometer and other tools, comprehensively check the wear, sealing and jamming. For slightly worn parts, grinding, polishing and other processes can be used to repair.
(iii) Installation and commissioning
According to the installation instructions of the repair kit, assemble the new parts in order. During installation, strictly control the fit gap and installation torque of each component to ensure reliable sealing. After installation, use professional debugging equipment to carry out pressure test and flow calibration of the oil pump to ensure that the performance indicators meet the technical requirements.

Maintenance Precautions
Maintenance operations must be carried out in a clean, dry environment to avoid dust and impurities into the oil pump. During operation, strictly follow the operating procedures, use tools correctly, and prevent damage to parts caused by violent disassembly and installation. When installing seals, apply appropriate amount of sealant or lubricant to ensure sealing effect and smooth installation.

Diesel oil pump repair kit is an indispensable and important element in the field of diesel engine repair. Through the rational use of repair kits, diesel oil pump failures can be repaired efficiently and accurately, significantly extending the service life of diesel engines and reducing maintenance costs. Maintenance personnel should continue to improve their professional skills, strictly follow the maintenance specifications, give full play to the effectiveness of the repair kit, and provide a solid guarantee for the stable operation of diesel engines. With the continuous progress of manufacturing process and material technology, the performance and quality of diesel oil pump repair kits will continue to improve, injecting new vitality for the development of diesel power equipment.