EXHAUST SYSTEM
The generator exhaust system must
be
safely and
properly
installed. Only approved mufflers and other
exhaust
system
parts must be used. A
properly
installed exhaust system must
be
vapor tight, quiet
and
completely safe.
CAUTION:
Never
tee
the
generator
engine
exhaust
pipe
into
the
vehicle
engine
exhaust
piping.
This
causes
excessive
back
pressure
on
the
generator
engine.
Also,
water
from
one
engine
can
damage
the
other
engine.
DANGER:
THE
GENERATOR
ENGINE
GIVES
OFF
DEADLY
CARBON
MONOXIDE
GAS
THROUGH
ITS
EXHAUST
SYSTEM.
THIS
DANGEROUS
GAS,
IF
BREATHED
IN
SUFFICIENT
CONCENTRATIONS,
CAN
CAUSE
UNCONSCIOUSNESS
OR
EVEN
DEATH.
SYMPTOMS
OF
CARBON
MONOXIDE
POI-
SONING
ARE
(a)
INABILITY
TO
THINK
COHERENT·
LY,
(b)
VOMITING,
(c)
TWITCHING
MUSCLES,
(d)
THROBBING
IN
TEMPLES,
(e)
DIZZINESS,
(f)
HEADACHE,
(g)
WEAKNESS
AND
SlEEPINESS.
IF
ANY
OF
THESE
SYMPTOMS
ARE
EXPERIENCED,
MOVE
INTO
FRESH
AIR
IMMEDIATELY.
IF
SYMP-
TOMS
PERSIST,
GET
MEDICAL
ATIENTION.
DO
NOT
OPERATE
THE
GENERATOR
UNTil
ITS
EXHAUST
SYSTEM
HAS
BEEN
INSPECTED
AND
REPAIRED.
MUFFLERS
AND
SPARK
ARRESTORS
Exhaust mufflers
and
spark arrestors that Generac sup-
plies meet code and standard requirements, and are
approved by the
U.S.
Forest Service.
Use
only mufflers
and
parts
approved
by
Generac.
Any
person(s)
installing an unapproved muffler, or
an
unapproved
exhaust system
part,
or modifying
an
exhaust system
in
any way that might cause a hazard,
is
liable for any
damage, injury
or
warranty expense that might be
caused
by
such unapproved installation or modification.
Failure
to
provide and maintain a spark arrestor may
be
in
violation
of
the
law.
If
this generator
is
used
on
any forest covered, brush covered, or grass covered
unimproved
land, you must provide a spark arrestor.
The vehicle
owner
or
operator must maintain this
device
in
good condition.
In
the State of California,
the
preceding is required by law (Section
4442
of the
California Public Resources Code). Other states may
have similar
laws. Federal laws apply
on
federal lands.
TYPE
OF
EXHAUST
SYSTEM
The NP-30G generator has a configuration for a bot-
tom out exhaust system and
is
equipped with such
an
exhaust muffler (Figure 26).
EXHAUST
SYSTEM
SAFETY
•
Maintain
a
clearance
of
at
least 3
inches
(76mm)
between
exhaust
system
parts
and
any
combustible
material
(such
as
wood,
felt,
cotton,
organic
fibers
or
other
like
material).
If
you
cannot
maintain
the
3-inch
clearance,
locate,
insulate
or
shield
the
exhaust
part(s)
so
that
the
temperature
of
any
combustible
material
is
not
raised
more
than
11
?"F
(65°C)
above
the
ambient
air
temperature.
•
Extend
the
exhaust
system
at
least
one
inch
(25mm)
past
the
outer
edge
of
the
vehicle.
Do
not
terminate
the
exhaust
system
under
the
vehicle.
•
Terminate
the
exhaust
tailpipe
such
that
exhaust
gases
will
not
be
drawn
back
into
the
generator
compartment
and
recirculated.
•
If
there
is
any
possibility
of
the
tailpipe
or
muffler
being
damaged,
protect
these
damage
prone
areas
by
means
of
a
protective
device
(such
as
a
"skid
bar'').
•
Install
the
generator
exhaust
system
according
to
safe
automotive
practices.
•
Use
enough
exhaust
system
hangers
to
prevent
any
part
of
the
system
from
being
dislocated.
•
Use
exhaust
system
parts
recommended
by
Generac.
Using
unapproved
exhaust
mufflers
and
exhaust
system
parts
is
the
responsibility
of
the
person(s)
installing
such
unauthorized
parts.
•
Do
not
terminate
the
exhaust
system
under
any
opening,
window
or
vent
which
can
be
opened
or
is
not
perma-
nently
sealed
from
the
vehicle
interior.
•
Exhaust
piping
must
be
large
enough
to
prevent
exces-
sive
back
pressure
on
the
generator
engine.
•
Never
tee the
generator
engine
exhaust
pipe
into
the
vehicle
engine
exhaust
piping.
This
causes
excessive
back
pressure
on
the
generator
engine.
Also,
water
from
one
engine
can
damage
the
other
engine.
•
Plan
exhaust
system
installation
carefully.
Comply
with
all
applicable
codes,
standards
and
regulations.
EXHAUST
MUFFLER
-22-
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