of the pedestal and the kiosk wall to permit removal of the screws that retain the relay assemblies and
Pedestal I/O Board.
The FMU pedestal will not always be mounted directly over conduit. Figure 4-3 illustrates some alternate
mounting methods. Installations have been performed where conduit entered the pedestal through holes
punched/drilled through the pedestal. Such holes must be sealed watertight. In some instances, other
automated systems have been removed and their pedestal has been retained for use as a junction box.
Aluminum C-channel has been used to elevate FMUs for entry of surface mount conduit under the
pedestal. For this application we have used 6061 T6 aluminum channel 3 inch high x 1.75 inch wide x
.260 thickness x 14 inch long. Adapter plates have been developed to cover holes in the fuel island which
are larger than the opening in the FMU pedestal. When developed from sheet aluminum, such adapter
plates should utilize ¼ inch or larger sheet stock. The following procedures cover mounting the pedestal
over conduit entering the pedestal base, but may be altered to allow for other mounting methods:
1. Verify that all required conduit are in place (except surface mount conduit that may be installed after
FMU mounting). Refer to Section 3 for conduit requirements.
2. Position the pedestal for mounting on the service island:
a. Unlock and open the pedestal door.
b. Position the pedestal over the conduit.
c. If applicable, align the pedestal so the conduit are centered within the pedestal, and check that
the pedestal door will close without conduit interference.
If the pedestal is mounted on an uneven surface and the screw anchors are tightened, the welds at
the base of the pedestal may be cracked. Washers, as spacers, can be installed on the screw
anchors under the corners of the pedestal to account for minor irregularities in the concrete surface
of the service island, or to level the pedestal.
Si le piédestal est monté sur une surface raboteuse et les ancres de vis sont serrées, les soudures
à la base du piédestal peuvent être rompues. Des écrous, comme mettredistance, peuvent être
installées sur les ancrages de vis sous les coins du piédestal pour compenser des irrégularités
mineures dans la surface de montage concrète, ou pour niveler le piédestal.
d. Check the pedestal mounts flush to the service island and is level.
e. Check all conduit seal-off plugs are accessible. They must be accessible after pedestal mounting,
or they will have to be sealed before mounting the pedestal.
f.
Check the conduit are not too long to be routed through the conduit openings in the bottom of the
FMU pedestal electrical access (liquid-tight flex conduit may be used between seal-offs and
electrical access if minimum height of conduit is in accordance with NEC).
If drilling screw anchor holes through the mount holes in the base of the FMU, protect the corners
of the pedestal closest to the mount holes from the drill chuck. The drill chuck can remove paint
and metal from the aluminum pedestal corners if allowed to contact the Pedestal.
En forant des forures de vis par les trous de montage dans la base du FMU, protégez les coins du
piédestal les plus proches des trous de montage du mandrin du foret. Le mandrin du foret peut
enlever la peinture et le métal des coins de piédestal d'aluminium si touche le piédestal.
•
Screw anchors installed on both front (door-side) corners of the pedestal must be seated deep
enough to permit door opening after installation.
•
The pedestal has been designed to accept 3/8 inch screw anchors. Use of stainless steel screw
anchors, nuts, and washers will prevent corrosion and permit the pedestal to be removed and
replaced, if necessary, at any time during the life of the FMU.
FuelMaster
®
Installation Manual
CAUTION
ATTENTION
CAUTION
ATTENTION
NOTE
68
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