Poor Ventilation; Basic Boat Operation; Duty Cycle Rating; Pleasure Duty Rating - Mercury TDI 3.0L Owner's Operation And Maintenance Manual

Section 2 - On The Water

Poor Ventilation

Under certain running or wind conditions, permanently enclosed or canvas enclosed cabins or cockpits with insufficient
ventilation may draw in carbon monoxide. Install one or more carbon monoxide detectors in your boat.
Although the occurrence is rare, on a very calm day, swimmers and passengers in an open area of a stationary boat that
contains or is near a running engine may be exposed to a hazardous level of carbon monoxide.
1. Examples of poor ventilation while the boat is stationary:
a
2. Examples of poor ventilation while the boat is moving:
a

Basic Boat Operation

IMPORTANT: Always check to ensure the bilge drain plug is installed before launching the boat.

Duty Cycle Rating

IMPORTANT: Damage caused by improper application or failure to operate the power package within the specified operating
parameters will not be covered by the Mercury Diesel Limited Warranty.
It is the responsibility of the boat manufacturer or the installing dealer to ensure that the power package is properly applied. In
all cases, the power package must be equipped with the gear ratio that allows the engine to operate at wide‑open throttle
(WOT) at the rated engine RPM. The power package must also be applied in accordance with recommendations indicated in
the appropriate applications manual. Use of Mercury Diesel engines in other than the applications indicated by the following
information and in the appropriate applications manual requires written approval from an authorized Mercury Diesel application
engineer.

Pleasure Duty Rating

The pleasure duty rating applies to recreational planing craft used exclusively for pleasure and recreation. Typical applications
include pleasure craft such as sailboats, ski boats, runabouts, speedboats, and other planing hulls. Application must conform to
the Pleasure Craft/Recreational duty cycle shown (EPA Mode Number Cycle 5 Duty Cycle).
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b
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b
a - Operating the engine when the boat
is moored in a confined space
b - Mooring close to another boat that
has its engine operating
a - Operating the boat with the
trim angle of the bow too
high
b - Operating the boat with no
forward hatches open
43368 (station wagon effect)
90-8M0145546 MAY 2018
eng