Axi STS 6020, Instruction, Operating, & Maintenance Manual

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Servicing the Fine Filter(s)
Clogged filter elements restrict the flow of fuel, resulting in the system’s pressure gauge indicating a pressure spike. The
gauge is mounted between the pump and the fine filter. At a pressure of 22 PSI, the pump will automatically shut off and
generate a High Pressure Alarm. This signal indicates that it is time to change the filter element.
Changing the Fine Filter(s):
1. Turn the enclosure door panel selector switch to the “OFF” position – making sure the pump will not turn on.
2. Close the inlet and outlet ball valves.
3. Place an appropriate container underneath the filter.
4. Remove the old spin-on filter with a filter wrench.
5. Apply a film of lubricating oil to the gasket of the new filter. Screw the new filter canister to the filter head until the
gasket is tight and secure (rotate the element an additional 0.5-1.0 turn after the filter makes contact with the
gasket).
6. Open the inlet and outlet ball valves.
7. Push the Alarm Reset button on the enclosure door panel to acknowledge the alarm and reset it.
8. Return the enclosure door panel selector switch to its original position.
9. Check for leaks when re-starting and pressurizing the system.
Note: Disposal of fuel, associated waste, and filters must be in accordance with all applicable federal, state, and local
rules, laws, standards, and regulations.
!WARNING!: Some fuels may have been treated with biocides. Biocides are extremely toxic and may enter the
body through the skin. It is recommended to use adequate protection and proper precautions if the fuel at-hand
contains biocide type products.
Replacement Filter Chart
STS SERIES FILTERS
All Filters are absolute, unless otherwise noted | wb: waterblock | SS: Stainless Steel Screen
Spin-On Filters
3 µ 3 µ WB 10 µ 10 µ WB 25 µ 3 µ X-Glass
STS 6020/7020 FF-3 WB-3 FF-10 WB-10 FF-25 FFZ-3
Sts 6040/7040 FF-3 WB-3 FF-10 WB-10 FF-25 FFZ-3
Servicing the Wye-Strainer
Excessive debris in the Wye-Strainer will result in a pump shutdown and “High Vacuum” alarm. This indicates that it is
time to clean the strainer basket.
Servicing the Wye-Strainer:
1. Turn the enclosure door panel selector switch to the “OFF” position – making sure the pump will not turn on.
2. Close the inlet and outlet ball valves.
3. Place an appropriate container below the drain valve bottom of the Wye-Strainer
4. Open the drain valve and allow all fluid to drain from the Strainer
5. Using an adjustable wrench, unscrew the cap on the bottom of the Strainer
6. Remove the strainer basket, clean, and replace
7. Replace the cap on the bottom of the Strainer and tighten securely
8. Close the drain valve
9. Open the inlet and outlet ball valves.
10. Push the Alarm Reset button on the enclosure door panel to acknowledge the alarm and reset it.
11. Return the enclosure door panel selector switch to its original position.
12. Check for leaks when re-starting and pressurizing the system.