SECTION – III INSTALLATION GUIDELINES FOR ENGINES AND ACCESSORIES 3.1 De-preservation of new engine After the engine packing crate is unpacked, carry out the pre-commissioning inspection (PCI). Make sure engine and the sub parts supplied are as per the purchase order, free from defects and all material supplied are as per the packing list. 1. Wipe off the anti-rust coat, anti-corrosion agent, from the exposed parts such as turbocharger, flywheel etc. 2. Drain preservation oil from the engine sump. 3. Inject sufficient lubricant to turbocharger lubrication line to ensure proper lubrication during startup. The preservation period of diesel engine is six months.
When the storage/ idle duration exceeds six months, conduct inspection and adopt necessary supplementary measures as per company recommendations. 3.2 Engine installation procedure WP12 series marine diesel engine is assembled with SAE-I flywheel and flywheel housing. Select the gear box and coupling accordingly. When installing the engine, ensure the axial and radial alignment of engine crankshaft is linearly arranged with the gear box input shaft. Dimensions from diesel engine-mounting bracket plane to crankshaft centerline will be varying for different engine models. Fabricate / select the correct base-frame according to the engine model (Refer figure 2.1 & 2.2).
It is advised to couple the diesel engine with gear box by using suitable elastic coupling. After coupling the engine with gear box, no axial force is allowed to act on the diesel engine crankshaft; otherwise it will lead to failure and damages of engine’s major sub-assemblies. Figure 3.1 Figure 3.2 7