Proficient Main Engine Fuel Pump Overhauling by Hai Ha M&S

Proficient Main Engine Fuel Pump Overhauling by Hai Ha M&S

Introduction: Ensuring the longevity and efficiency of your main engine fuel pump is a meticulous process that demands expertise and precision. In this detailed guide, we delve into the step-by-step procedure executed by Hai Ha M&S, a renowned company known for its excellence in maritime services.

Mounting Process by Hai Ha M&S:

  1. Lifting Tool Application: Hai Ha M&S initiates the process by skillfully mounting the lifting tool on the barrel and plunger assembly, ensuring it is meticulously prepared for the subsequent steps.
  2. Securing Expertise: The company employs their expertise to secure the lifting tool to the barrel by tightening two screws. The plunger is attached with precision by tightening the center screw of the spindle, guaranteeing optimal positioning.
  3. Alignment Assurance: Hai Ha M&S professionals confirm the correct alignment by ensuring the “Marking” on the plunger and barrel is on the cam side, a testament to their attention to detail.
  4. Strategic Plunger Positioning: Utilizing the spindle of the tool, Hai Ha M&S experts strategically pull the plunger high up in the barrel, simultaneously turning the spindle for precise positioning. The stop ring is securely locked in place using the stop screw.
  5. Lubrication Excellence: Before mounting the assembly in the pump housing, Hai Ha M&S applies their expertise in lubricating the thread for the timing guide and all sealing rings with molybdenum disulphide, ensuring optimal performance.
  6. Regulating Toothed Rack Mastery: The regulating toothed rack is pulled out strategically, with Hai Ha M&S ensuring the extractor tool is flawlessly mounted on the timing toothed rack in its outer position.
  7. Alignment Validation: The professionals validate alignment by ensuring the slot in the barrel coincides precisely with the hole for the guide screw.
  8. Precision Placement: During the barrel assembly’s careful descent into the pump housing, Hai Ha M&S experts make minute adjustments to the regulating guide, guaranteeing a perfect fit of the plunger foot and block.
  9. Final Touch: As the barrel assembly settles, Hai Ha M&S ensures the sealing rings are perfectly positioned, with the slot in the barrel visible from the guide screw hole. A discernible gap between the tool and pump housing is present, and the plunger foot is expertly positioned just above the bayonet joint in the roller guide.

By entrusting your main engine fuel pump overhauling to Hai Ha M&S, you can be confident in the meticulous execution of each step, promoting the longevity and optimal functionality of your engine. Regular maintenance performed by their skilled professionals ensures your fuel pump operates seamlessly, contributing to the reliability of your maritime operations.



Office: 44/82 – Vu Chi Thang Str, Hai Phong city – Viet Nam


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tel: +84 388 441 654