13.
INSTALLATION
Engine life, ease
of
maintenance and inspection, frequency
of
check and repairs, and operating costs all
0
depend
on
the way in which the engine is installed. Carefully observe the following instructions for
installing the engine.
13-1
INSTALLING
When mounting the engine, carefully examine its position, the method of connecting it to
a
machine, the
foundation, and the method
of
supporting the engine.
Particularly, when determining
its
mounting position, make sure that fuel can easily be supplied and
checked, the spark plug
can
easily
be
checked and the air cleaner can easily be serviced.
13-2
VENTILATION
Fresh air is necessary for cooling the engine and burning the fuel.
In case the engine is operated under a hood or
in
a small room, temperature rise in the engine room
can
cause vapor lock,loss
of
power, piston seizure, shorter engine
life,
etc.,
making
it
impossible to operate
the engine properly.
It
is
necessary, therefore,
to
provide
a
duct
or
baffle to
guide
cooling air to the
engine to prevent recirculation of the hot air used for engine cooling, and temperature rise of the
machine.
~
Keep the engine room temperature below
50
"c
(122°F)
even in the hottest period
of
the year.
13-3
EXHAUST
GAS
DISCHARGE
Exhaust gas is
noxious.
When operating the engine indoors, be sure to discharge the exhaust gas
outdoors.
If
a
long
exhaust pipe is used in such
a
case, the internal resistance increases causing
loss
of
engine power. Thus the inside diameter
of
the pipe must
be
increased
in
proportion to the exhaust pipe
length.
Exhaust pipe
:
Less
than
3x11
(9.8
ft) long, pipe inside diameter 30mm
(1.18
in)
Less than
5.45m
(18
ft)
long, pipe inside diameter 33mm
(1.30
in)
-
55
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