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"&."
Step 3. Sketch a Basic Duct Layout
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1.
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2.
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id ]VkZ i]Z h]dgiZhi edhh^WaZ bV^c a^cZ VcY
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Figures 21 &
22
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Figure 21.
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Figure 22.
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3.
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4.
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5.
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6.
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Step 4. Determine Required CFM of
Each Machine
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d[ hVlYjhi! i]Z gZfj^gZbZcih [dg i]Z b^c^bjb
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d[YjXiidjhZ#
Figure 23
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V^g[adlndjgbVX]^cZgZfj^gZh#@ZZe^cb^cYi]Vi
bVX]^cZhi]Vi\ZcZgViZi]ZbdhihVlYjhih]djaY
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gZfj^gZY^hi]Zhjbd[Vaaedgih#
Machine
Dust Port Size
Approximate
Required CFM
'
.-
'#*
&*%
(
''%
)
(.*
*
+&)
+
--)
,
&'%(
-
&*,%
.
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&%
')*+
Figure 23.
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bVX]^cZh!WVhZYdcYjhiedgih^oZ#
