2
Introduction
This Owner´s Manual contains the information you
will need to operate the engine correctly. Check that
you have the correct Owner´s Manual for your engi-
ne.
Read the manual carefully before operating or
servicing the engine. Incorrect operation or servi-
cing of the engine could result in personal injury or
material damage as well as damaging the engine it-
self. If you do not understand or are uncertain
on any operation in this manual, contact your
dealer who can explain or demonstrate the pro-
cedure for you.
Important
You will find the following special warning symbols
in this manual and on the engine:
WARNING! Possible danger of personal
injury, damage to property or mechanical
malfunction if the instructions are not follo-
wed.
IMPORTANT! Used to draw your attention
to something that can cause damage, pro-
duct malfunction or damage to property.
NOTE! Used to draw your attention to im-
portant information that will facilitate work
or operations.
Read instructions in the Owner´s Manual.
Below is a summary of the risks you should be
aware of and safety precautions you should always
observe when operating or servicing the engine.
Check that the warning or information la-
bels on the engine are always clearly vi-
sible. Replace labels which have been da-
maged or painted over.
Always turn the engine off before starting
service procedures. Avoid burns. Take pre-
cautions to avoid hot surfaces and liquids in
supply lines and hoses when the engine has
been turned off immediately prior to starting
work on it and it is still hot.
Reinstall all protective parts removed
during service operations before starting
work on the engine. Make a point of familia-
rizing yourself with other risk factors, such
as rotating parts and hot surfaces (exhaust
manifold, Turbo unit, charge pipe, starter
heater etc.).
Approaching an engine which is operating
is a safety risk. Loose clothing or long hair
can fasten in rotating parts and cause seri-
ous personal injury.
If the service operation requires that the
engine is operating let your Penta authori-
zed dealer carry out the work. If working in
proximity of an engine which is operating,
careless movements or a dropped tool can
result in personal injury.
Immobilize the engine by turning off the
power supply to the engine at the main
switch (breakers) so it is impossible to
start, and lock the switch (breakers) in the
OFF position before starting work. Set up a
warning notice at the engine control point or
helm.
Engines with Turbo compressors: Never
start the engine without installing the air
cleaner (ACL). The rotating compressor
parts in the Turbo can cause serious per-
sonal injury. Foreign objects entering the
intake ducts can also cause mechanical
damage.
Engines with intake air pre-heating: Never
use starting spray in the intake. Use of
such products could result in an explosion
in the air intake pipe due to the hot-spot
pre-heater. Danger of personal injury.
Do not open the filler cap for the engine
coolant (freshwater cooled engines) when
the engine is hot. Steam or hot engine coo-
lant can be ejected and any pressure in the
system will be lost. Open the filler cap
slowly and release coolant system pressu-
re (freshwater cooled engines), if the filler
cap or drain cock must be opened, or if a
plug or engine coolant line must be remo-
ved on a hot engine. Steam or hot coolant
can be ejected.
Stop the engine and close the bottom valve
before carrying out operations on the coo-
ling system.
Only start the engine in a well-ventilated
area. If operating the engine in a closed
area ensure that there is exhaust ventila-
tion leading out of the work area to remove
exhaust gases and crankcase ventilation
emissions.
Anti-corrosion agents are hazardous to
health. Read the instructions on the product
packaging!
Safety precautions
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