LAMBERT POWER Diesel Engine Operation and Maintenance Manual
coupling for connection to make sure crankshaft centerline and output shaft axis to be coaxial
and also ensure crankshaft doesn’t bear extra axial force for improper installation. The
co-axiality between crankshaft centerline and gear box output shaft centerline should be less
than 0.2mm; and face run out is less than 0.2mm. The co-axiality adjustment is as shown in
figure 3-2.
During use, users should regularly check as per the above requirements. Adjust it if
necessary to make sure normal running.
3.3 Other engine accessories installation
1) Engine exhaust pipe should be connected to outdoor. And its exhaust pipe should not
have too many bending. Expansion joints should be fitted in the middle of pipeline; and
additional support should be added. The inner diameter of exhaust pipe shouldn’t be less than
50mm and back pressure should be more than 6Kpa.
2) The exhaust pipe exit outdoors should be covered with rain shield. Water drain plug
can be fitted in the lower place of exhaust pipe to make condensed water in exhaust pipe drain
away.
3) The air intakes outdoors ( especially marine engine) should be fitted with waterproof
cover to avoid water entering intake system.
4) The fuel tank capacity should meet 8-hour running with rated load. The fuel pipe
diameter should not be less than 10mm.
4. Operation and Maintenance of Diesel Engine
4.1 Preparation and inspection before operation
Open the package and sealing
When opening the engine package, users should first count the number of diesel engine
and fittings according to the packing list; and check whether there is any damage on the
engine surface and whether the connection is loose or not. Then proceed to the following step:
1) Wipe anti-rust coat and corrosion inhibitor of engine parts exposed outside.
2) Drain out the seal fuel in fuel filter and inside of spare parts of fuel system. (It can be
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