Cessna T188C - Page 30

MODEL 188 & T188 SERIES SERVICE MANUAL
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GALLONS OF GASOLINE
Figure 2-3. Fuel Additive Mlxin Ratio Chart
2-20. FUEL DRAINS. The
fuel drain for the metal
dusty areas, in cold climates
where sludging cond-
tank system is located in the
fuel strainer. The
ittons exist, or where short flights
and long idle per-
strainer drain valve is
operated by a control located
iods are encountered,
which cause sludging cond-
adjacent to the engine oil dipstick. Access to the itions. Always change oil, clean oil screens, and
control is through the oil dipstick door in the upper clean and/or change external filter element when-
eng6ne cowl. In
the rubberzed wing tank fuel
system, ever oil on the dipstick
appears dirty. Ashless dis-
fuel
drains are located in each wing
fuel celi, in the persant
oil conforming to Continental
Motors Spec-
bottom of the fuel reservoir tank and in the fuel ificatlon MHS-24 and all revisions or supplements
strainer.
Fuel strainer drain control
is located on thereto
and conforming with current
Continental
lower RH instrument panel (thru 18800832), in engine Aircraft Engine Service Bulletins shall be used in
compartment
adjacent to engine oil
dipstick (18800833
the Continental Engine.
thru 18803296) and on lower LH instrument panel
(18803927) &
on. Open strainer drain
and remove
NOTE
strainer screen
at the intervals
specUified
in figure 2-4.
Remove plugs and drain fuel system at the intervals New or newly overhauled engines should be
specified. Also,
during daily inspection of the
fuel operated on
aviation grade straight mineral
strainer,
if any water is found in the strainer,
there oil until
the first oil change. The
aircraft
is a possibility
the fuel tanks or lines contain
water. is delivered
from Cessna with a corrosion-
Therefore,
the fuel system should be drained
to preventive
aircraft engine oil. If
oil must
remove any water from the
fuel system. On aircraft
be added during the first
25 hours, use only
equipped
with rubberized fuel cells,
a fuel sampler aviation
grade straight mineral
oil conforming
cup is furnished. To activate drain valve for fuel to Soecification MIL-L- 6082. After the
sampler,
place cup up to valve and depress
valve with first
25 hours of operation, drain engine
oil
rod protruding
from cup. (Refer to Section
12.) sump
and clean both the oil suction
strainer
and the oil pressure screen. If the aircraft
2-21. ENGINE OIL. Check engine lubricating oil is equipped with an oil filter, change the
with the dipstick five to ten minutes after the engine filter at this time. Refill sump with avia-
has been stopped. The aircraft should be in as near tion grade ashless dispersant oil. Refer to
a level position as possible when checking the engine Continental Motors Service Bulletin M82-8,
oil. so that a true reading is obtained. Engine oil and any superseding bulletins, revisions, or
should be drained while engine is still hot. Engine supplements thereto, for further recommen-
oil should be changed
every six months,
even though
dations.
less than the spec fied hours have accumulated.
Reduce these intervals for prolonged operations in
2-8 Revision 1