7 Maintenance
WU017834 Rev. 05 July 2023 Wayne Fueling Systems | Dover Fueling Solutions 71
7.6 FILTER / STRAINER - REMOTE
The filter should be changed and the strainer should be cleaned on a regular basis. A dirty filter and strainer
may cause the dispenser to deliver fuel slowly. In some cases this may appear to be a more serious service-
related problem when simply changing the filter and cleaning the strainer is that is required.
NOTE! To prevent fuel spillage when changing filters on Helix dispensers, always place a suitable container
under the fuel funnel and use absorbent pads under and around the container.
NOTE! As a safety reminder, always take the necessary precautions to prevent spilling fuel under and around
the dispenser.
NOTE! If you have any questions, please contact Dover Technical Support (DTS) at 1-800-926-3737.
The fuel filter is removed the same way an oil filter is removed from a car engine. The new funnel catches
fuel that is spilled and will properly drain it into a container. Place a container under the funnel spout when
changing the filter.
The strainer is located inside the casting and held in
place by the filter. Place a suitable container below the
filter/strainer casting to catch product and sediment.
Remove the filter and gently pull the strainer out of the
filter/strainer casting. Clean strainer screen of any
debris. Re-install strainer and a new filter.
To install the new filter, first apply a thin coat of oil to the
gasket and hand turn until the gasket contacts the base.
Then tighten one half turn. Open the emergency shear
valve, turn the submersible circuit breaker ON, and
check for leaks.
In new installations it may be necessary to change the
filter frequently in the first few days of operation in order
to ensure proper operation.
If the underground installation is new it may be neces-
sary to clean the strainer screen two or three times the
first few days of operation to remove debris and pipe
dope. After this, occasional cleaning of the strainer is all
that should be required. The fuel filter should be
changed whenever the strainer is cleaned.
NOTE! Replacement fuel filter should be UL-recog-
nized. The recommended gasoline and etha-
nol fuel filters are rated at 10 micron.
NOTE! On E85 dispenser models, use strainer cartridges marked “E85” manufactured by Central Illinois Mfg.
Turn power OFF!
Before removing the filter and strainer, turn the power to the dispenser
and submersible pump(s) OFF and close the emergency shut-off valves
on the dispenser being serviced. Failure to do so may result in a hazard-
ous condition that can result in serious injury.
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