THRUSH AIRCRAFT, INC – MODEL S2R-G10
AIRCRAFT MAINTENANCE MANUAL
If the oil level is too low to register on the
dipstick due to possible excessive
consumption or if low or fluctuating oil
pressure noted, refer to the trouble
shooting section in your applicable engine
Maintenance Manual for the action to be
taken. After that has been accomplished,
proceed as follows to check the oil level.
2-10
d. Fill the oil tank to the appropriate
normal level. Record the quantity of
oil added to the system.
e. Install the filler cap and dipstick.
Ensure that the cap is securely locked.
f. Run the engine at idle for
approximately five minutes.
g. Check the oil level.
On engines which have remained
stationary for a period of 12 hours or more,
proceed as follows to check the oil level.
1) Start engine and run at idle speed
for a minimum of two minutes.
2) Shut the engine down.
3) Check the oil level.
FUEL SYSTEM
Reference Section 5
REFUELING:
(Ref. Fig. 2-2)
Refuel the aircraft with fueling facilities
that contain filters for removing the
moisture content from the fuel. If the
fueling facilities with filters are not
available, filter the fuel through a good
grade of chamois. The fuel tanks should
be serviced after the last flight of the day
to allow maximum time for the moisture to
reach the sumps and header tank.
Service the aircraft with Jet A, Jet B, JP4
or JP5. If jet fuel is not available, aviation
gasoline MIL-G-5572 (all grades) not in
excess of 250 gallons per 100 hours of
operation may be used for emergency fuel
operation. Total usage must be limited to
7000 gallons during any 3000 hour period.
Flight operations using aviation gasoline
must be conducted with the electrical fuel
auxiliary boost pump ON.
WARNING
GROUND THE AIRCRAFT TO A
PROPER GROUND AND THE
FUEL SERVICING EQUIPMENT TO
THE AIRCRAFT. SMOKING IN OR
AROUND THE AIRCRAFT DURING
REFUELING OPERATIONS IS
PROHIBITED. FIRE PROTECTION
EQUIPMENT MUST BE
IMMEDIATELY AVAILABLE.
To fuel the aircraft, proceed as follows:
a. Remove the fuel filler cap. Fill the tank
until the fuel level rises to the filler
neck (or to desired quantity). Install
the fuel filler cap and service the
opposite fuel tank.
* NOTE *
Since the wing tanks are
interconnected through the header
tank, the fuel can flow from one
tank to another. Topping off both
wing tanks may be required more
than one time to assure that both
wing tanks are full.
b. After fueling is complete, check for
security of both fill port caps. Wash
any spilled fuel from the wing surface
with clean water.
FUEL DRAINS:
(Ref. Fig. 2-2)
Four fuel drain points are provided to allow
fuel draining in order to extract the moisture
sediment and other contamination entrapped
in the system. The drains are located at the
low point of each wing tank (aft inboard
bottom), the bottom of the header tank, and
the bottom of the firewall fuel filter (Fig. 2-2).
Also provided are two fuel vent drains, located
on each side of fuselage under the wings.
Page Effective 03/26/2010
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