Generac 00941-3 User Manual

22 Generac

®

Power Systems, Inc.

Once installers have determined that compartments
are properly constructed and metal lined, they can
add acoustical material. This may include additional
sealant or insulating material, to reflect noise away
from the vehicle interior.

Sound insulating materials should be of a non-flam-
mable type. One excellent insulating material is a 1
inch thick fiberglass having a 2-pound density. When
fiberglass is used, its coated side should face toward
the compartment interior.

Using a combination of sound insulating materials
can often reduce noise more effectively than a single
material. For example, a sheet of lead or visco-elastic
material, along with a layer of other acoustical mate-
rial, is more effective than when a single material is
used.

Provide openings in the generator compartment for
the following items (Figure 2.7):

• Engine exhaust and cooling air outlets
• Generator cooling air inlet
• Four holes for passage of generator mounting

bolts. See “Generator Restraint” on Page 19.

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