3-13. CART INSPECTION
High Pressure Nitrogen Servicing Cart, FPNC-01 Nitrogen tanks (1 or 2), 230 cu
ft, NSN 6830-01-028-9402
Cart in upright position
Shut off the valves of both nitrogen tanks. Shut down the cart and bleed the booster pump system per shutdown
procedure of paragraph 2-7.
Disconnect both tank connectors from the tanks by turning hand nut counterclockwise. Remove nipple connector
from the tank fitting. Examine the O-ring on the nipple connector as shown in the Figure 2-2 and described in
Inspect the items described in Preventive Maintenance Checks and Services (PMCS), Table 2-1.
Check all hoses and rigid tubing. Check entire cart for bent, broken or corroded fittings and components.
Examine the nipple connector of both tank connectors for nicks and flat spots.
Examine the webbing of the tank retention straps for cuts and abrasions. Check the buckles for ability to adjust
and to secure the tanks tightly.
Check that all booster panel and accessory components are accounted for and undamaged. Check that the wire
retainers for the regulator T-handles are present and in good shape. Replace all missing or broken parts. Refer
to Appendix C Repair Parts and Special Tools List (RPSTL).
Check the hand truck for any broken welds and corrosion of painted surfaces.
Check tire for tread wear, cuts and bruises. Check the condition of the valve stem and core. Check tire
pressures and inflate to 60 psi if necessary. Spin the tire by hand to check the condition of wheel bearings and
freedom of wheel rotation.
Leak check and confidence test the cart per the procedure in paragraph 2-8.
Clean all components.
END OF TASK