3-3
• If the genset is mounted on the curb side (loca-
tion 1 or 2), protect the generator end of the
genset from road splash and debris.
• If the genset is mounted on the driver’s side
(location 3 or 4), protect the engine end of the
genset from road splash and debris.
• Leave an area between the genset and the rec-
reational vehicle skirt for an air inlet if it is not
subjected to road splash. See Section
4.
Ven-
tilation and Acoustics
for more detailed infor-
mation.
NOTE: Air inlet openings to the genset compartment
must not allow dirt, rock, water, or slush to directly
hit the genset. Dust and salt entrance into the
compartment must be minimized. Pay special atten-
tion to protection of the generator, control, choke,
and governor areas. Baffles might be required to pro-
tect certain areas.
Access Opening.
Provide an access opening on
the side of the recreational vehicle for the genset.
Make it large enough to allow for checking or adding
oil, for adjusting the governor and carburetor, and
for access to the control panel and AC circuit break-
er. The opening should also provide access for oil
and air filter replacement so that the genset does
not have to be lowered for these procedures. See
Figure for location of genset components.
Mounting Clearances.
If the compartment door
does not open the full width of the genset and to the
bottom of the vehicle skirt, provide 2 inches (51 mm)
minimum between the tray and the skirt of the recre-
ational vehicle. This distance allows lowering the
genset without hitting the vehicle skirt. Figure 9-4 on
Page 9-4 shows basic dimensions of the under-
floor mount genset. Refer to specific Outline Draw-
ing when performing installation.
Housing Assembly
The recreational vehicle must be adapted for the
under-floor housing. The vehicle frame must sup-
port the weight of the genset. It is the vehicle
manufacturer’s responsibility to provide a structur-
ally sound frame and carriage bolts or equivalent to
attach the housing kit.
CAUTION
Failure to meet Onan review for
modifications of housing kits or for non-Onan
kit housing installations may void intent of
NCTI/CSA approval. Liability for damage or inju-
ry and warranty expenses becomes the respon-
sibility of the person making the modifications.
Use the template supplied with the housing kit so
that panels are installed square to each other. Fail-
ure to mount panels square may result in spark plug
breakage.
Review
Exhaust System
section and exhaust sys-
tem kit installation instructions and component
parts. Plan clearance for movement or removal of
exhaust components when the genset is lowered
for inspection or maintenance purposes.
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