THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 2
Jun 1/03
3C12
28-10-00
(c) Accurate sender indications on fuel quantity gauge.
(d) Ground wire is securely attached to interconnecting fuel line, fuel vent line, and wing rib at
wing station 88.75.
C. Fuel Tank / Wing Spar Corrosion Inspection (see Figure 1.)
NOTE: Paragraphs (1) and (2), below, are keyed to Figure 1.
(1) Each seven calendar years time-in-service, remove the fuel tanks and conduct inspections as
specified below. Each inspection is for corrosion (intergranular, exfoliation, etc.), but while
exposed all areas and parts should be checked for other anomalies such as damage, cracking,
or wear. Any part or area determined to be defective must be repaired or replaced using
standard FAA approved parts and methods.
A1. Inspect the fuel tank attach hardware and gang channels (nut plate strips).
A2. Inspect the exterior of the fuel tanks for leaks. Inspect the interior for corrosion or sloshing
compound. If either condition exists, clean, repair, or replace the fuel tank as required.
A3. Remove fuel quantity senders. Inspect fot condition, operation, and security and freedom
of movement of the float arm. Inspect condition of wires and terminals. Replace
components as required. Replace gaskets.
A4. Inspect hard fuel vent lines for interior and exterior corrosion, wear, or deposits. Flush and
clean with mineral spirits under pressure. If excessive debris, deposits, or corrosion
observed, replace the line.
A5. Inspect flexible fuel hoses and couplings. Replace as required. Replacement is
recommended regardless of servicability.
A6. Inspect the spar, spar angles (cap), and ribs behind and adjacent to the fuel tank. If
corrosion is detected, conduct a thorough inspection of the entire wing.
A7. Remove the lacing at the wing root and inspect the spar and forward wing attach fittings.
(2) Treat the following areas with Dinotrol AV 8 before reassembly.
B1. Wing spar at root and forward wing attach fittings.
B2. Entire wing spar, spar angles (cap), and ribs behind and adjacent to the fuel tank..
3. Fuel Cells
- Outboard (Bladder-type) (See Figure 2.)
A. Removal
NO
TE: Prior to removal, a used cell should be drained, purged with fresh air and swabbed out to
remove all traces of fuel.
(1) Drain fuel cell (see Fuel Tanks - Draining, 12-10-00).
(2) Remove the access covers located on bottom of wing at wing stations 111.8, 165.5, and 129.3.
(3) Remove the twelve screws securing fuel cap adapter assembly to upper wing surface (wing
station 140.09). Remove adapter assembly.
(4) Remove four screws securing fuel cell and nut ring and gasket to the top of wing. Remove nut
ring and gasket.
(5) Utilizing access opening at wing station 165.5, loosen the two clamps which secure fuel vent
line and fuel vent valve assembly in fuel cell nipple.
(6) Carefully separate \fuel vent line from fuel cell nipple.
(7) Reach in fuel cell and remove fuel vent valve assembly from fuel cell nipple.
(8) Utilizing access opening at wing station 111.8, loosen clamps securing fuel cell to upper and
lower fuel interconnecting lines. Separate interconnecting lines from fuel cell.
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