TP-6137 5/03 63Section 10 Generator and Engine Disassembly/Reassembly
10.3 Generator Engine Disassembly
Disconnect all the external connections—battery cables
at the battery (negative (--) lead first), AC-output leads in
the controller, remote start panel at the controller P3
connector, water line at the seawater pump, fuel line at
the fuel pump filter inlet, and exhaust line at the mixing
elbow. Observe all the safety precautions listed at the
beginning of this manual during the disassembly/
reassembly procedures.
Note: This section includes engine
disassembly/reassembly procedures unique to
the marine generator set. Consult the engine
service manual for engine torque specs, special
tool requirements, and further engine service
information.
Oil Drain
1. Place a container under the oil drain hole.
2. Remove the oval flange of the oil drain. See
Figure 10-24.
3. Drain the oil. Allow time for a complete oil drain.
Note: If necessary, slightly tip the engine to ensure a
complete oil drain.
Figure 10-24 Oil Drain
Remove the air intake’s antiresonator device
1. Remove the air cleaner cover’s four flat screws.
2. Before removing the electric fuel pump, clean the
inside of the antiresonator housing with a rag.
3. Ensure that dirt or debris does not enter the
cylinder.
4. Remove the antiresonator housing by removing
the two screws. See Figure 10-25.
5. Discard the gasket located between the housing
and the engine head.
Figure 10-25 Antiresonator Housing
Remove the exhaust elbow (mixer)
1. Disconnect the water pipe located between the
thermostat and the exhaust elbow. See
Figure 10-26.
2. Loosen the upper clamp on the outlet water pipe.
3. Remove the two hex socket screws that attach the
exhaust elbow to the engine head.
4. Remove the exhaust elbow without damaging the
high exhaust temperature switch or its electrical
connection.
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