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Installation
Starting the System and Completing the Installation
1. Do not start pumps unless ample product is in the storage tank.
2. Pump sufficient product through each dispenser to purge the entire system of air. If all air is not purged, the
computers may "creep" slightly when the dispenser switch is turned on, but no product has been dispensed.
3. On pumps equipped with built-in siphon, it is necessary to run the submerged pump at least 10 to 20 minutes
continuously to purge the air from the siphon manifold.
4. After the above checks have been made, the backfill can be completed and the manholes installed as shown
in Figure 6 and Table 2.
18.0" Radius
3" NPT or BSP
by contractor
6" NPT riser with
flange ordered
separately
"D"
Pump Length
rj/051-301-10.eps
36.0" Diameter
9.6"
Figure 6. Installation Dimensions
Starting the System and Completing the Installation
4.0" Minimum
1.3"
14.6"
Bury depth
"B" Max.
riser length
NOTICE
Distance between center
line of pump motor and
centerline of fill pipe
should be 3 feet minimum.
Air locking of pump may
occur at distances less
than this distance.
4.0"
14
"A"
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