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ENGINE TUNING
TEST RUN AND INSPECTION AFTER COMPLETE ASSEMBLY
After reassembly, the engine must be tuned. This will ensure
that the engine operates at its maximum efficiency.
• Mount the engine on a test bench.
• Connect the electrical wiring. refer to the
WIRING
DIAGRAM.
• Connect the air intake line
to
the air cleaner.
• Connect the exhaust.
• Fill the engine cooling system with coolant and the engine
oil sump with lube oil.
• Connect the fuel lines.
• Crank the engine with the starter (non-ignition operation)
for about twenty seconds. This will pre-lubricate the
engine internal components.
• Start the engine and allow it to run five minutes.
• Remove the cylinder head cover while the engine is
running.
• Check that the engine oil is continuously circulating from
the oil pump to the valve rockers through the cylinder
head.
If there is no oil circulation or if the oil circulation is
sluggish, stop the engine and make the appropriate repairs
and adjustments.
• Re-install the cylinder head cover.
• Check the engine for oil, fuel, coolant, and air intake
leakage.
• Check for abnormal noise and odor.
• Check for abnormal electrical charging.
• Check the engine fastening parts for looseness.
• Check the operation of the start/stop switch and LED
panel lights.
• Adjust the engine speed to the specified value for
generator operation.
• Stop the engine to complete the tuning procedure.
• Additional tightening after test run. Check the tightening
condition of respective bolts and nuts after test run, and
additionally tighten them with the specified tightening
torques.
Engines & Generators
38
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