8
C. Unless the compartment air inlet lines up
directly with the genset air inlet, a clear-
ance of at least 1-1/2 inch (38 mm) is re-
quired at the front of the genset for air to get
to the genset inlet. (Staggering a compart-
ment side opening or pulling the air up un-
der the skirt of the vehicle will reduce line-
of-sight noise but requires the extra clear-
ance in front.)
D. When mounting the genset on a floor, use
Compartment Template 539-1546 to lo-
cate the cutout for the cooling air outlet.
The floor must not block off any portion of
the genset cooling air outlet or cause recir-
culation of hot air back into the genset air
inlet.
E. Make sure the space below the genset
cooling outlet is unobstructed for at least
6 inches (152 mm) and open on at least
three sides.
7. See the outline drawing (Page 21) for the mini-
mum inside dimensions of a genset compart-
ment. If the compartment has acoustic insula-
tion (Figure 4), increase the minimum compart-
ment dimensions by the thicknesses of the in-
sulation panels. The following minimum clear-
ances are required between the genset and the
compartment or its insulation:
A. At least 1 inch (25 mm) clearance is re-
quired in the space on the left side for fuel,
AC output, battery and remote control con-
nections (Page 5).
B. At least 1/4 inch (6 mm) clearance is re-
quired on the sides and 1 inch (25.4 mm)
on top.
C. At least 1-1/2 inch (38 mm) clearance is re-
quired in front if the compartment air inlet
does not line up directly with the genset air
inlet (Item 6. C).
8. Acoustic insulation and adhesive (Figure 4)
should be Classified as “Self-Extinguishing” at
not less than 200
°F (90°C). Do not line the bot-
tom of the compartment with insulation—in-
sulation absorbs spilled fuel and oil.
COMPARTMENT
ACCESS COVER
COMPARTMENT LINED WITH SELF-EXTINGUISHING
ACOUSTIC INSULATING MATERIAL
AIR INLET
FIGURE 4. COMPARTMENT WITH ACOUSTIC IN-
SULATION
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