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3) PREFERRED: Generator is mounted directly on a
concrete slab, 4 inches thick, extending 6 inches be-
yond generator perimeter, and bolted in place. This
method is for those locals with “high wind” consid-
erations. (See Illustration #3)
If gravel bed is chosen, its perimeter must be eight
inches larger than generator base. Dig a rectangular
area six inches deep, cover with landscape cloth (so
drainage can take place) and fill with pea gravel or
crushed stone. Final gravel level must be two to three
inches higher than original level to ensure water run-
off away from generator. A normal plastic landscape
border can be used between grass and gravel area to
provide a more attractive installation.
Compact and level the stone. Place generator on
stone using either the “composite” pad (optional
equipment) or place aluminum generator base di-
rectly on gravel, using ground stakes for a fixed in-
stallation.
1) Always install your generator within 20 feet from natural
gas meter. Further distances may cause “starving” of fuel
from generator engine.
2) Exhaust end must always be turned away or parallel
with building and minimum 5 feet away.
3) Exhaust end is not to be directed towards play ar-
eas, patios, under canopies or overhangs, or where people
or animals congregate.
4) Do not install generator under deck of house.
5) Furnace and other air intakes should be minimum 10 feet
from exhaust end
6) Windows and doors on adjacent walls, to be closed at all
times, during generator operation.
7) Nearest roof overhang vent should be 10 feet from ex-
haust end
8) If electrical distribution center panel is far away from
gas meter, locate generator close to gas meter. Installation
costs are lower, if electric wiring is oversized for long dis-
tances, to utility point rather than oversized fuel lines to gas
meter.
SUGGESTIONS FOR GENERATOR LOCATIONS
5'
5'
APPROX.
10'
OCCUPIED
BUILDING
PREFERRED
ACCEPTABLE
#1
GENERATOR
#2
GENERATOR
GAS
METER
DANGER
TOXIC FUMES
MAY ENTER
BUILDING
ILLUSTRATION #2: Generator is placed on top of
gravel bed. The ground stakes are driven through
the slots in generator base, to hold it in place on
gravel bed. CAUTION: Make sure there is no un-
derground electric wires, gas lines, sprinkler
lines, or any other vulnerable items, directly in
the path of these two ground stakes.
GROUN
GENERATOR BASE
ILLUSTRATION #1: Composite pad bolted to gen-
erator base and placed over a bed of crushed stone
or gravel.
BOLTED TO
PAD
GENERATOR BASE
GRAVEL BED
COMPOSITE PAD
ILLUSTRATION #3: Generator base is bolted di-
rectly to a poured concrete slab (provided by oth-
ers). Notice that all three illustrations provide bolt-
ing or staking methods that are always secured from
inside the generator housing, behind locked doors.
This is designed to deter theft of your home standby
generator set.
GRASS
GRAVEL BED
GRASS
GRASS
BOLTED TO
CEMENT PAD
GENERATOR BASE
CEMENT PAD
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