24 920943 Rev E July 2014
6.3 Cleaning and Corrosion Prevention Instructions
To properly care for your dispenser:
Step 1 Wash the dispenser frequently with a non-abrasive cloth and warm water mixed with a
mild household cleaner such as dishwashing liquid. The dispenser should then be
wiped down with a clean damp cloth.
Note: Do not direct pressurized water, even a garden hose, at the dispenser.
Note: Do not use all-purpose cleaners on any part of the dispenser. They may scratch
clear plastic, as well as break down the corrosion resistance of painted and
stainless steel surfaces. Cleaners containing chlorides, hypochlorides, or
bleach can damage stainless steel surfaces.
Note: Do not use gasoline or other petroleum-based products to clean the dispenser.
Step 2 Exposure to contaminants can cause discoloration of any stainless steel panels. If the
discoloration persists after Step 1, the use of an abrasive powder cleaner can be used
to restore the original shine. Two cleaners in particular are very effective and practical
to use: Zud Heavy Duty Cleaner and Bar Keepers Friend. They can both be found
in most hardware or grocery stores. Follow the manufacturers’ instructions for use and
always rub in the direction of the brush finish to prevent scratching the stainless steel.
Never clean stainless steel with chlorine-based products.
Step 3 Periodic waxing (three times per year) of the dispenser surfaces is essential to
maintain the original finish and inhibit corrosion. Painted surfaces should be waxed
with an automotive wax or polish. Stainless steel surfaces should be polished with a
non-abrasive silicone wax.
6.4 Vapor Recovery
Tears or rips in the balance nozzle vapor bellows will cause the vapor system to be in non-
compliance. Replace or repair the nozzles as necessary.
The bellows face-plate (where the nozzle seals on the vehicle fuel tank) must make a good
seal when inserted into the fuel tank. Damaged or warped faces are not acceptable and will
cause the system to be in non-compliance. Replace or repair as necessary.
Wire clamps at the top of the bellows may have critical placement to maintain compliance. If
the clamp is loose or broken, it must be replaced or repaired according to the nozzle
manufacturer’s instructions.
To ensure on-going compliance of the balance system, once per year checks of the
pressure drop and tightness of the system are recommended.
6.5 Meter Maintenance Issue
For Weights & Measures applications, it is recommended that Wayne Fuel Meters be
periodically checked for acceptable accuracy based on NCWM Handbook 44 under the
General Code, G-UR.4 Maintenance Requirements and Liquid Measuring Device Code,
Section 3.30.
If adjustment needs to be made, follow the prescribed procedure in the service manuals for
the respective equipment. All adjustments shall be made in accordance with G_UR.4
Maintenance Requirements of Handbook 44.
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