11.
INSTALLATION
Engine life, ease of maintenance and inspection, frequency
of
checks and repairs, and operating cost
all depend on the way in which the engine
is
installed. Carefully observe the following instructions for
installing the engine.
11
-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.
When determining its mounting position,, in particular, make sure that gasoline and oil can easily be
supplied and checked, the spark plug can easily be checked, the air cleaner can easily be serviced, and
that the oil can easily be discharged.
11-2
VENTILATION
Fresh air is necessary for cooling the engine and burning the fuel.
In the case
the
engine
is
operated under a hood or in a small room, temperature rise in the engine room
can cause vapor lock, oil deterioration, increased oil consumption,
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
even in the hottest period of the year.
11-3
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 pipe inside diameter must be increased in proportion to exhaust pipe length.
Exhaust pipe: Less than
3m
long, pipe inside diameter
25
mm,
Less than
5m
long, pipe inside diameter
30
mm.
-54-
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