Inspecting the Fuel Tank and Shroud

sd mm 47.04.002

See Fig. for fuel tank and shroud component locations.

  1. Fuel Fill Fitting

  2. Fuel Outlet Line (liquid)

  3. Primary Relief Vent Line (relief valve)

  4. Fill Vent Fitting (vent)

  5. Shroud Cover

  6. Shroud Cover Latches

Fig. 1, Fuel Tank Outer Shell

  1. Inspect the fuel tank outer shell for dents or other signs of damage. Inspect the bottom of the tank for deep scratches, flat spots, or gouges.
    Replace a leaking fuel tank.
  2. Ensure that the fuel tank is secured to its mounting brackets and that the mounting brackets are secured to the frame. Inspect for any signs of looseness.
  3. Ensure that all rubber isolator straps are present and secure.
  4. Look for signs of abrasion between the fuel tank and mounting brackets.
  5. Inspect the fuel fill fitting for signs of damage or leaks. Ensure the fuel fill cap is present and in good condition, and the fitting is mounted securely on the tank.
  6. Inspect the fuel outlet line and fitting for signs of leaks or damage.
  7. Inspect the primary relief vent and pipe-away line for damage, kinks, chafing, or loose connections.
  8. Inspect the fill vent fitting for signs of damage.
  9. Inspect the shroud cover for dents or other signs of damage. Ensure that the shroud cover latches are in working condition and fasten the shroud cover securely to the tank.
  10. Replace leaking or damaged fuel lines. Repair or replace leaking or damaged fittings.
Note:
Parent topic: LNG Fuel System Inspection
Document Number: 0000120399
Manual Publication Date: 2024-05-23
Topic Publication Date: 2024-11-06