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TM 9-2330-398-24
1-14.
EQUIPMENT OPERATION (continued).
VAPOR RECOVERY SYSTEM
VAPOR RECOVERY SYSTEM: The vapor recovery system allows a fuel depot to collect or recover the vapors and gases
that are present during bottom-loading operations, and allows the semitrailer to collect or recover the vapors and gases
present during unloading operations. This system consists of a sealed vapor-tight line (5) from the vapor recovery hood
(2) on the emergency valve vent (6) (directly behind the manhole cover) to the rear of the tank (3). The rollover rail (1) on
the road side of the semitrailer is used as part of the line (5). The adapter (4) on the end of the line (5) is compatible with
the four-inch vapor recovery quick-disconnect connections at a majority of the fuel depots.
1-13/(1-14 blank)
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