The locking screw identified as K 73134 is a small but vital component used to secure parts within the raw water pump of the Sulzer ZV40/48 engine. Its function is to maintain tight fastening and alignment of components, even under conditions of vibration and thermal expansion. Properly torqued, this screw prevents leaks and potential mechanical failure, contributing to the overall stability and performance of the cooling system. Regular inspection ensures its continued reliability in demanding marine environments.

The casing with code number K 74102 provides robust protection and structural integrity for the fuel transfer pump in the Sulzer ZV40/48 engine. It houses and supports all internal moving components while also forming a tight seal to prevent fuel leakage. Manufactured to withstand the pressures and thermal stresses of diesel engine operation, this casing ensures the pump performs efficiently and safely under continuous use. It plays a key role in maintaining the engine’s steady fuel supply.

The thrust ring coded K 74132 is an integral part of the Sulzer ZV40/48 diesel engine’s fuel system, specifically working in tandem with gear wheel K 74126. This precision-engineered ring serves to absorb axial forces and maintain the correct positioning of the gear during operation. Its role is crucial in reducing mechanical wear and ensuring smooth gear meshing under high-speed conditions. Built from durable, heat-resistant materials, the thrust ring supports the engine’s long-term reliability and performance.

The shim coded K 71042 is a precision spacer used with cover K 71039 to ensure accurate alignment and fitment in the Sulzer ZV40/48 engine. Shims like this are crucial for fine-tuning distances between mating surfaces, compensating for manufacturing tolerances, and supporting consistent mechanical operation. Its use contributes to maintaining the correct compression of gaskets and seals, thereby extending component life and improving maintenance outcomes.

The packing identified by code K 71040 is a sealing element placed between the cover K 71039 and the engine structure. Its primary function is to prevent fluid leakage and ensure pressure retention in areas exposed to oil, water, or gases. Made from resilient and heat-resistant material, this gasket plays a small but essential role in maintaining the operational integrity of the Sulzer ZV40/48 engine, particularly under varying thermal and mechanical stresses.

The articulation piece marked with code number K 72142 is a critical joint component in the control mechanism of the Sulzer ZV40/48 diesel engine. It connects to the flexible rod K 72135, allowing smooth transmission of motion or control signals through angular or variable alignment paths. Its design provides durability and freedom of movement, which is essential for maintaining proper alignment and responsiveness within the mechanical linkage system. This part ensures reliable performance in applications where flexibility and precision are required simultaneously.

The spring marked with code K 72138 supports the function of the flexible rod K 72135 by providing tension and ensuring its return to a neutral or resting position. This spring is critical in systems where precise control of mechanical motion is required, such as in fuel regulation or lubrication delivery. Its resilience under thermal and mechanical stress ensures long-term reliability, making it an important component for the safe and efficient performance of the Sulzer ZV40/48 engine.

The lever identified as K 72130 is a control component designed for manual or mechanical operation of the 3-way flow control valve K 72105. Its role is to enable smooth directional changes of fluid flow—such as oil or cooling water—within the engine’s piping network. Precision-engineered for reliable operation and ease of use, this lever enhances system flexibility, allowing operators to manage flow routes efficiently during both normal operation and maintenance procedures.

The nipple with code number K 72320 is a specialized connector used in conjunction with the block-type ball cock K 72302 in the Sulzer ZV40/48 diesel engine. This component ensures a tight and secure fit between piping elements, facilitating precise flow control of fluids—typically fuel or lubricants—within the system. Built for durability and pressure resistance, it plays an essential role in maintaining the integrity of the engine’s fluid systems, particularly under high-load or variable operating conditions.

The coupling halves identified by code K 72120 form a mechanical link between the drive shaft and the geared pump in the Sulzer ZV40/48 engine. Designed to transmit torque smoothly and absorb minor misalignments, these coupling halves ensure reliable power transfer under high load and continuous use. Their precise fit and robust construction help maintain the integrity of the pump assembly, contributing to the overall reliability and efficiency of critical systems such as lubrication or fuel delivery.