Kohler 5E Operation - Page 28
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3.7.4
Siphon Break
A siphon break prevents seawater entry into the
generator set's engine when the engine exhaust
manifold outlet is less than 230 mm (9 in.) above the
waterline of a fully loaded, docked or stationary craft.
See Figure 3-9. The siphon break may malfunction
when the generator set operates while the craft is in
contaminated waters or saltwater. Use the following
procedure to inspect the siphon break at the intervals
listed in the service schedule.
Siphon Break Inspection
1. Stop the generator set.
2. Remove the retaining cap and remove the reed
valve for inspection. See Figure 3-8.
3. Use a mild detergent to remove residue and
oxidation from the reed valve.
4. Clear blockage from the reed valve opening.
5. Replace the siphon break if the reed valve is
cracked or if the reed valve material has hardened
or deteriorated.
16
Section 3 Scheduled Maintenance
6. Install the reed valve into the mounting base with
the valve downward. See Figure 3-8, item 3.
7. Install and only finger tighten the retaining cap. Do
not overtighten it.
1
1. Mounting base
2. Retaining cap
3. Reed valve
Figure 3-8 Siphon Break
2
3
TP-5856-3
m:sm:003:007
TP-5985 10/02