TP-5986 4/03 7Section 3 Intake and Exhaust System
Section 3 Intake and Exhaust System
3.1 Backfire Flame Arrestor
At the interval specified in the service schedule, inspect,
clean or replace the backfire flame arrestor. Check the
wire mesh screen for accumulated oil or dirt that could
clog the element and cause poor performance. See
Figure 3-1.
TP603531
1. Wire mesh screen
1
Figure 3-1 Air Intake
3.2 Exhaust
Carbon monoxide.
Can cause severe nausea,
fainting, or death.
The exhaust system must be
leakproof and routinely inspected.
WARNING
Inspecting the exhaust system. Carbon monoxide can
cause severe nausea, fainting, or death. For the safety of
the craft’s occupants, install a carbon monoxide detector.
Consult the boat builder or dealer for approved detector
location and installation. Inspect the detector before each
generator set use. In addition to routine exhaust system
inspection, test the carbon monoxide detector per the
manufacturer’s instructions and keep the detector operational
at all times.
Exhaust System. Check for exhaust leaks and
blockages. Check the silencer and piping condition and
check for tight exhaust system connections.
Inspect the exhaust system components (exhaust
manifold, mixing elbow, exhaust line, hose clamps,
silencer, and outlet flapper) for cracks, leaks, and
corrosion.
D Check the hoses for softness, cracks, leaks, or dents.
Replace the hoses as needed.
D Check for corroded or broken metal parts and replace
them as needed.
D Check for loose, corroded, or missing clamps.
Tighten or replace the hose clamps as needed.
D Check that the exhaust outlet is unobstructed.
D Check the exhaust gas color. If the exhaust is blue or
black, contact your local distributor/dealer.
D Visually inspect for exhaust leaks. Check for carbon
or soot residue on exhaust components. Carbon and
soot residue indicates an exhaust leak. Seal leaks as
needed.
D Ensure that the carbon monoxide detector(s) is (1) in
the craft, (2) functional, and (3) energized whenever
the generator set operates.
Note: Never operate the generator set without a
functioning carbon monoxide detector.
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