Generator Restraint; Generator Compartments; Compartment Seams - Generac Power Systems NP-30G Series Owner's Manual And Installation Instructions

Air-cooled recreational vehicle generators
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GENERATOR RESTRAINT
Use four 3/8"-
i
6 hardened steel bolts (Grade 5} to
fasten the generator to the supporting frame or the
support tubing. These bolts must pass through (a) the
generator mounting base, (b) the compartment floor,
if a compartment is used, and (c) the supporting
framework (Figure 14). All bolts must be long enough
so that when tight, at least 3 threads are visible past
the retaining lock nuts. Refer to "COMPARTMENT"
section for location of generator mounting holes.
Figure 14- Typical Generator Restraint
VEHICLE
CHASSIS
METAL LINED
BOTTOM
GENERATOR COMPARTMENTS
The generator set may or may not be installed inside
a compartment that is constructed specifically for
housing a generator. This section applies to generator
compartments when they are installed. The following
general rules apply to compartments:
The generator compartment should be either
constructed of, or lined with, 26 gauge galvanized
steel.
IMPORTANT: ALUMINUM IS NOT AN ACCEPT-
ABLE ALTERNATIVE TO GALVANIZED STEEL,
DUE TO ALUMINUM'S LOW MELTING POINT.
If the compartment is lined with galvanized steel,
it may be constructed of any material. Generac
recommends that the compartment be construct-
ed of 1/2-inch thick plywood, with the floor made
of a double thickness of plywood for added
strength.
All seams, splices and joints of the compartment
walls (unless vapor tight by design) should be
caulked.
IMPORTANT: CAULKING MUST BE DONE SO
THAT THE CAULKING MATERIAL WILL STAY IN
PLACE PERMANENTLY. PRESSING SUCH MATE-
RIALS AS PUTTY TAPE ONTO JOINTS AND
SEAMS WILL NOT MEET THAT REQUIREMENT. A
HIGH QUALITY SILICONE RUBBER SEALANT IS
RECOMMENDED.
Holes and openings through the compartment
walls for passage of electrical conduit, conduc-
tors, etc, mto vehicle living area must be sealed
vapor-tight with silicone rubber base sealant.
If you use flexible metal conduit, seal the conduit
at the end where it terminates inside the junction
box. Flexible metal conduit is NOT vapor tight
along its entire length.
Seams and joints of the galvanized steel
(whether used as a liner or the compartment
itself) must be lapped and mechanically secured.
Such seams may be manufactured, welded, bolt-
ed, riveted, or screwed. Manufactured lock
seams are shown in Figure 15.
Figure 19- Types of Lock Seams
- -
---~----~~
- - -
_ _ _ f . _ -
---~
-
-
-~---~
-
-
--~~-~-----~-
---~~~------
FOLD LOCKED STANDING
GORDON SEAM
DOUBLE LOCK
OFF SET
DOUBLE SEAM
STANDARD LAP JOINT
-16-
ACME LOCK
LOCK SEAM

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