4.
Disconnect the exhaust tailpipe from the outlet
of the muffler. See EXHAUST SYSTEM under
Section
6.
Engine-Primary Systems.
5.
Disconnect the fuel supply line from the gen-
set. Follow the applicable instructions depend-
ing on the fuel.
I A
WARNING
I Gasoline
and
LPG
(liquified
pe-
troleum gas) are flammable
and
explosive
and
can cause severe
personal
injury
or
death. Do
not
smoke
if
you
smell
gas
or
gas-
oline
or
are
near
fuel
tanks
or
fuel-burning
equipment
or
are
in
an
area
sharing
ventila-
tion
with
such
equipment. Keep flames,
sparks,
pilot
lights,
electrical
arcs
and
arc-
producing
equipment
and
all
other
sources
of
ignition
well
away.
Gasoline Fueled Gensets:
Disconnect the
fuel line from the genset and securely plug the
end of the fuel line
to
prevent leakage or an ac-
cumulation of explosive gasoline vapor.
LPG Fueled Gensets: Close the fuel shutoff
valve(s) at the LPG container(s) and move the
vehicle outside and away from below-grade
spaces where LPG could accumulate.
To
purge the fuel line and genset as much as pos-
sible, run the genset (if
it starts) until it runs out
of fuel with the LPG valve(s) closed. Also see
the specific additional instructions which follow
for purging liquid-withdrawal and vapor-with-
drawal systems and for capping off the gas
supply line.
IAWARNINGI LPG
is
flammable
and
explo-
sive
and
can cause asphyxiation. NFPA 58,
Section 1.6 requires
all
persons
handling
LPG
to
be
trained
in
proper
handling
and
operating procedures.
LPG
"sinks"
when
it
escapes
into
the
air
and
can
accumulate
in
explosive
con-
5-3
centrations. Before
disconnecting
the LPG
fuel line,
close
the
fuel
shutoff
valve(s)
at
the LPG container(s)
and
move
the vehicle
outside
and
away
from
pits
or
basements
or
other
below-grade spaces where LPG
could
accumulate.
Purging LPG Liquid-Withdrawal Systems (See
Figure 6-25 On Page 6-29): Purge the supply
line further by loosening the threaded supply
connection at the LPG filter on the genset just
enough to hear gas escaping. Unthread the
connector when no more gas is heard escap-
ing.
To
purge the LPG trapped between the so-
lenoid and regulator, loosen the flexible hose
connector at the fuel solenoid just enough to
hear gas escaping, and then retighten. Finally,
cap the end of the fuel supply hose or pipe with
a 1/4 inch NPTF pipe cap to prevent fuel from
escaping
if
someone inadvertently opens the
shutoff valve(s) at the LPG container(s).
IOAWARNINGI
Large volumes
of
LPG
can
be
released
in
the
process
of
disconnecting
a
liquid-withdrawal type
of
LPG
supply
sys-
tem. Before
disconnecting
LPG
fuel
con-
nections, make
sure
the the fuel
shutoff
valve(s)
at
the LPG container(s) are
closed
and
that the vehicle
is
outside
and
away
from
pits
or
basements
or
other
below-
grade spaces where LPG
could
accumu-
late.
Purging LPG Vapor-Withdrawal Systems (See
Figure 6-29 On Page 6-32): Disconnect the
gas supply hose at the carburetor and the fuel
solenoid shutoff valve leads at the control box
on the genset. If the pressure regulator/sole-
noid valve assembly is also to be removed, cap
the end of the fuel supply line with a threaded
pipe cap to prevent fuel from escaping
if
some-
one inadvertently opens the shutoff valve(s).
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