MOoNEY
@-
OWNERS
MANUAL
FUEL SYSTEM
Two integral sealed sections carry the fuel in the forward
inboard area of the wings. Full fuel capacity is
64
gallons.
There are sump drains at the lowest point in each tank for
taking fuel samples to check for sediment contamination and
condensed water accumulation. Section
VII
discusses the
fuel sampling procedure.
An illuminated three-position fuel selector handle on the
cabinfloor sets the selector valve below the floorboard for
LEFT tank, RIGHT tank, or the
OFF
position. The fuel
selector valve assembly contains a valve for draining con-
densed water and sediment from the lowest point in the fuel
lines before the first flight of the day and after each refuel-
ing. Section.
VII
discusses the selector valve flushing pro-
cedure.
Fuel feeds from one tank
at
a time to the selector valve and
through the electric fuel pump
enroute to the engine-driven
pump and the fuel injector unit. Electric fuel-level trans-
mitters in the tanks operate fuel gages in the engine cluster.
The master switch actuates the fuel quantity indicator sys-
tem to maintain
a
constant indication of fuel remaining in
each tank. The fuelpressure gage registers line pressure
delivered to the injector.
Vqnts in each fuel tank allow for
overflow and ventilation.
Olb
SYSTEM
The engine has
a
full-pressure wet-sump oil system with
an 8-quart capacity. The automatic bypass control valve
routes oil flow around the oil cooler
,when operating tem-
peratures are below
normal or when the cooling radiator
is blocked.
The engine oil should be kept at
6
to
8
quarts. Eycoming
Service Instruction
1014
(latest revision) gives recommended
oil specifications and oil change intervals.
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