User manual

Table Of Contents
Section 12.28 Part B
02 FUEL SPECIFICATION
Aviation Gasoline with Octane rating 100/130 (100ll) is the correct fuel. Fuel down to a
rating of
91 /96 (Purple/Yellow) can be used
03 FUEL TANKS
Two tanks, one in each wing centre section, are integrally built with sealed chambers and
accommodate 3300L each for a total usable total usable fuel of 6600L .The tanks have
sealed filling caps on the upper wing surface and are vented to the top of the wing.
04 FUEL COCKS
A main fuel cock for each engine is mounted on the bulkhead behind the pilots. Each cock
may be set at "left on", 'both on", "right on" or 'off', referring to the tanks selected for that
engine. With both cocks at "both on", both tanks are feeding both engines.
The normal position for the fuel cocks is left engine feeding from left tank ("LEFT ON
LEFT") and right engine feeding from right tank ("RIGHT ON RIGHT").
A pressure cross feed cock, normally kept closed, allows fuel to be fed to both engines
from one engine driven fuel pump in the case of failure of the other one.
CAUTION: If cross -feeding in circumstances other than pump failure, the pump which is
not cooled by fuel will over- heat if cross feed is used for long periods of time.
05 FUEL QUANTITY GAUGES
A fuel gauge is fitted for each tank and these are calibrated from 0-2000L in 400L
increments. Above 2000L the gauges will still indicate but have not been calibrated and
below 400L the gauges will read zero.
The tanks should be dipped prior to flight and the gauge and dipstick reading should
correlate.
06 FUEL SHUT-OFF VALVES
The shut-off valves are located beneath the main fuel tanks behind the forward
galley bulkhead protected by a panel secured by fasteners.
These valves may be closed to stop the flow of fuel from the tanks into the fuel system.
07 FUEL STRAINERS
Located on the forward galley bulkhead these are to be drained for water prior to each
flight.
The drain cock is accessible through the Engineers sliding window on both sides of the
aircraft. They drain outboard.
Rev No: 00 Stichting Catalina PH-PBY
Page: 2 18 May, 2004