REPAIR AIR SEPARATOR TANK Continued
REPAIR OR REPLACEMENT
Plan to weld on outside of separator tank, if possible.
Determine type of repair, overlapping or fitted patch.
Resize hole in separator tank, to remove sharp edges or cracks, for type of patch selected.
Prepare a piece of aluminum of the same alloy and thickness as the separator tank.
Size patch to cover hole in separator tank.
Tack weld a small piece of aluminum upright to center of patch to hold patch for welding.
Weld patch to separator tank. See TC 9-237 and your -20.
Break support away from patch. Discard support.
Seal weld with sealing compound.
Install air separator tank (see your -20).
END OF TASK