COOLING
AIR
Pressure cooled models require an air inlet opening
and an air outlet of 3 square feet. Position the outlet
opening above and to the rear of the set, the inlet
opening just opposite the blower housing.
VACU-FLO
COOLED
Air flow through Vacu-Flo units is reversed. Provide
an airinletof atleast41 squareinchesfor3000or3600
rpm units. Duct the heated air outside. An optional
automatic air shutter and air duct is available for use
in cold weather.
WARNINGI Utilizing exhaust manifold heat to warm a
^room or compartment occupied by people is
not recommended due to possible leaking of exhaust gases.
EXHAUST
2^ARNiNGiJ| Exhaust gases are deadly, poisonous!
Vent exhaust gases outside. Use flexible tubing
between the set's exhaust outlet and rigid piping.
Shield the line if it passes through a combustible wall
or partition. If turns are necessary, use one pipe size
larger for each ten feet in length. Position the exhaust
outlet away from the plant air intake.
LOCATION
Provide a protected location that is dry, dust-free, and
preferably heated in cold weather. For service
convenience, provide at least 24 inch clearance
around plant.
OIL
DRAIN
For convenience in draining oil, remove the oil drain
plug and install an extension pipe and coupling.
GENERAL
Important installation points are: sufficient cooling,
exhaust gas discharge,-electrical and fuel connec-
tions,
location and mounting.
Each installation must be considered individually —
use these instructions as a general guide. Always
check local building codes, fire ordinances, etc., for
compliance. Provide a location that is protected from
the weather and is dry, dust
free,
and preferably warm
in cold weather. The air discharge side of set requires
only a 3-inch clearance from wall to permitsetto rock
on its mounts but at least 24-inch clearance is
required around all othersidesforserviceaccessibili-
ty.
MOUNTING
A permanent installation needs a sturdy, level, moun-
ting base of concrete, heavy wood or structural steel
at least 12 inches high to aid oil changing and
operating.
Carefully assemble the mounting cushions, washers
and spacer bushing (Figure 1). The spacer bushing
prevents compression of the snubber (upper rubber
cushion).
Space the 5/16 inch mounting bolts as
shown.
VENTILATION
AND
COOLING
Air circulation is needed to dissipate heat produced
by the engine and generator in normal operation.
Outdoor installations can rely on natural circulation,
but mobile, indoor or housed installations need proper
size and positioned vents for required air flow. See
Specifications for the air requirements at 1800 rpm.
Vent sizes depend on variable conditions: (1) size of
enclosure, (2) ambient temperature, (3) electrical
load,
(4) running time, (5) restrictions imposed by
screens, louvers, shutters, orfilters, and (6) prevailing
wind direction.
Remember that a required volume of airmust reach the unit, absorb
the heat, and be discharged away from the installation.
Pressure cooled sets need an inlet vent with an
unrestricted opening of at least 3 square feet for
variables. For discharged air, install separate duct
from the engine.
Auxiliary fans can be used to increase airflow to units
installed in small, poorly ventilated rooms. Fan size
and location should be such that the air inlet
temperature to the engine does not exceed 120
o
F
when running at full rated
load.
GASOLINE
TANK
If a separate fuel tank is used, install the tank so the
bottom is less than four feet below thefuel pump. The
tank top must be below fuel pump level to prevent
siphoning.
Install a shut-off valve at the tank. When
the fuel tank is shared with another engine, use a
separate fuel line for each to avoid starving the set.
If fuel lift must exceed four feet, install an auxiliary
electric fuel pump at the fuel supply. Wire it in parallel
with the ignition coil (ahead of resistor). If an auxiliary
reservoir fuel tank is used for a standby installation,
note that fuel line connections must be changed
(Figure 2)-
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