© 2017 NTF
®
INST-OLFS6F-EN 120917-02
page 30
14. TECHNICAL SPECIFICATIONS WATER SEPARATOR
Operation and Service
NOTE: It is recommended that the vent and drain valves be opened once each day to permit
the escape of entrapped air and accumulated water.
Since there are no moving parts, maintenance is limited to an occasional cartridge
replacement, requiring only 2” (51mm) base clearance.
Note: The head gasket should be carefully inspected for signs of damage or deterioration
each time the housing is opened. Each Parker Element Replacement Kit contans a housing
seal gasket. It is recommended that the seal gasket be replaced at every cartridge change
out. Replace the gasket if it shows any signs of wear. We recommend the gasket be
lubricated with petroleum jelly prior to installation.
FBO Cartridge Replacement Procedures
Caution: Use only non-sparking tools when performing any maintenance or service work on
this equipment.
The frequency of cartridge replacement is dependent on the following conditions:
•
For Aviation Fuel Service: Replace the cartridge when the differential pressure across
the housing exceeds 15 psi, red indication on DP gauge, after 1 year of service, or
when there is a significant reduction in flow through the housing – whichever occurs
first.
•
For All Other Applications: Replace the cartridge when the differential pressure
exceeds 25 psi, red indication on DP gauge, after 1 year of service, when the flow is
significantly reduced, or if pressure has been steadily climbing and then begins to
decrease – whichever occurs first.
When any of the above noted conditions indicate that cartridge replacement is necessary,
observe the following procedures:
1.
Close the inlet and outlet isolation valves to isolate the filter from the system.
2.
Open the drain valve on the housing bottom; allow all fluid to drain from the unit.
3.
Open the vent valve on the cover of the housing; allow the unit to thoroughly vent
before opening the cover.
4.
Loosen the 4 knobs attaching the head to the housing flange.
Caution: Due to the toxic effects of some additives used in filtered fluids, care should be
exercised in handling the expended cartridges and/or all internal parts that have been in
contact with the filtered product.
5.
Remove the head gasket and discard.
6.
Remove and discard the expended cartridge in a FIRE-SAFE place. In accordance
with local and national regulations.
7.
Flush the interior of the housing with clean, processed, filtered product or a suitable
solvent. A nonmetallic bristle brush will
help to remove caked-on debris. Rinse the housing and unit cover with a clean
solvent and dry with soft, lint-free wiping cloths.