LANCE II
SERVICE MANUAL
2-22.
SERVICING.
2-23. GENERAL.
Servicing the airplane
includes the
replenishment of fuel,
oil, hydraulic
fluid, tire pressures,
lubrication requirements
and other
items required to completely
service
the airplane.
2-24.
FUEL SYSTEM.
2-25. SERVICING
FUEL SYSTEM.
At intervals of 50-hours
or 90 days,
whichever comes
first, clean
the screens and
bowl in the
fuel filter unit
of the fuel
selector. Remove
and clean
the filters
in accordance
with instructions
outlined in Section
IX. Additional
service
information may also be found
in Section IX. Inspection intervals
of the various fuel system
components may be found in Section III.
2-26. FILLING
FUEL TANKS.
The fuel tanks of
each wing are filled
through filler necks.
The filler
neck services both
inboard and outboard
tanks. Each wing
with interconnecting
tanks
has a capacity of
49 U.S. gallons.
a.
Observe all required safety
precautions for handling gasoline.
b. Fill the tanks with fuel as specified
on the placard adjacent to the
filler neck or refer
to the latest
issue of Lycoming Service Instruction
No. 1070 for alternate fuels.
2-27. DRAINING MOISTURE FROM FUEL SYSTEM. The fuel system should be drained
daily prior to first flight and after refueling to avoid the accumulation of water or sediment.
Each fuel tank is equipped with an individual quick drain located at the lower inboard rear
corner of the tank. The fuel strainer and a system quick drain valve are located in the
fuselage at the lowest point of the fuel system. It is important that the fuel system be
drained in the following manner:
a. Drain each tank through its individual quick drain located at the lower inboard rear
corner of the tank, making sure that enough fuel has been drained to ensure that all water
and sediment is removed.
b. Place a container under the fuel sump drain outlet, which is located under the
fuselage.
c. Drain the fuel strainer by pressing down on the lever located on the right-hand side
of the cabin below the forward edge of the center seat. The fuel selector must be positioned
in the following sequence: off position,
left main and right main while draining
the strainer
to ensure that the fuel lines
between each tank outlet and fuel strainer
are drained as well as
the strainer. When the fuel tanks are full, it will take approximately six seconds to drain all
the fuel in one of the lines from a main tank to the fuel strainer. When the fuel tanks are less
than full, it will take a few seconds longer.
d. Examine the contents
of the container placed under
the fuel sump drain outlet for
water and sediment and dispose of the contents.
CAUTION
When draining any amount of fuel, care should be taken to
ensure that no fire hazard exists before starting engine.
Issued:
1/3/78
HANDLING
AND SERVICING
1C2
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