Section 3 Exhaust System; Exhaust System Inspection; Servicing Mixing Elbow - Kohler 6EKOD Service Manual

3.1 Exhaust System Inspection

WARNING
Carbon monoxide.
Can cause
fainting, or death.
The exhaust
leakproof and routinely inspected.
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.
Never operate the generator set without a functioning carbon
monoxide detector. Inspect the detector before each
generator set use.
At the interval specified in the service schedule, inspect
the exhaust system components (exhaust manifold,
mixing elbow, exhaust hose, hose clamps, silencer, and
outlet flapper) for cracks, leaks, and corrosion.
Ensure that the carbon monoxide detector(s) is (1) in the
craft, (2) functional, and (3) energized whenever the
generator set operates.
For your safety: Never operate the generator set
without
monoxide detector(s) for your
safety and the safety of others on
your vessel.
Exhaust System Inspection Points
Check for exhaust leaks and blockages. Check the
silencer and piping condition and check for tight exhaust
system connections.
Check the hoses for softness, cracks, leaks, or dents.
D
Replace the hoses as needed.
Check for corroded or broken metal parts and replace
D
them as needed.
Check for loose, corroded, or missing clamps.
D
Tighten or replace the hose clamps and/or hangers as
needed.
Check that the exhaust outlet is unobstructed.
D
Visually inspect the exhaust system for exhaust leaks
D
(blowby). Check for carbon or soot residue on
exhaust components.
indicates an exhaust leak. Seal leaks as needed.
TP-6774 2/14a
severe nausea,
system must be
a functioning carbon
Carbon and soot residue

Section 3 Exhaust System

3.2 Servicing Mixing Elbow

The mixing elbow combines high-temperature exhaust
with cooling seawater. See the operation manual for
mixing elbow scheduled maintenance.
1. Check the mixing elbow for carbon buildup and
corrosion inside the pipe.
2. Clean or replace the mixing elbow as necessary.
3. Inspect the exhaust manifold mounting threads for
cracking and corrosion.
Section 3 Exhaust System 21