Cessna 188 Series Service Manual page 26

MODEL 188 & T188 SERIES SERVICE MANUAL
2-7. TIE-DOWN.
When mooring the aircraft, head
enth day the propeller shall be rotated through five
it into the wind, if possible. Secure control surfaces revolutions, without running the engine. If the air-
with internal control lock, and set parking brake.
craft is stored outside. tie-down in accordance with
paragraph 2-7. In addition, the pitot tube, static
air vents, air vents, openings in the engine cowling,
and other similar openings shall have protective
Do not set parking brakes when they are
covers installed to prevent entry of foreign material.
overheated or during cold weather when
if at the end of thirty (30) days aircraft will not be
accumulated moisture may freeze them. removed from storage, the engine shall be started
and run. The preferred method would be to fly the
Moor the aircraft as follows:
aircraft for thirty (30) minutes, and up to, but not
a.
Tie ropes, cables or chains to the wing tie-down exceeding normal oil and cylinder temeratures.
fitting located on the underside of each wing. Secure
opposite end to ground anchors.
CAUTION
b. Secure a tie-down rope or chain to the tie-down
fitting at the tailwheel. Secure opposite end to ground Excessive ground operation shall be avoided.
anchors located as near as possible to the tailwheel.
c. Install internal control lock on control stick. If 2-10. RETURNING AIRCRAFT TO SERVICE. After
control lock is not available, tie control stick back flyable storage, returning the aircraft to service is
with seat belt.
accomplished by performing a thorough pre-flight in-
d. These aircraft are equipped with a spring-loaded spection.
At the end of the first 25 hours of engine
tail wheel steering system which affords protection
operation, drain engine oil, clean oil screens and
against normal wind gusts. However, if extremely change external oil filter element. Service engine
high wind gusts are anticipated, additional external with correct grade and quantity of engine oil. Refer
locks may be installed.
to figure 2-4 and paragraph 2-21 for correct grade of
engine oil.
2-8. WEIGHING AIRCRAFT. Refer to Pilot's
Operating Handbook. 2-11. TEMPORARY STORAGE.
Temporary storage
is defined as aircraft in a non-operational status for
2-9. FLYABLE STORAGE. Flyable storage is de- a maximum of 90 days. The aircraft is constructed
fined as a maximum of 30 days non-operational stor- of corrosion resistant alclad aluminum, which will
age and/or the first 25 hours of intermittent engine last indefinitely under normal conditions if kept clean,
operation.
however, these alloys are subject to oxidation. The
first indication of corrosion on unpainted surfaces is
NOTE in the form of white deposits or spots. On painted
surfaces, the paint is discolored or blistered. Stor-
The aircraft is delivered from Cessna with a age in a dry hangar is essential to good preservation
Corrosion Preventive Aircraft Engine Oil and should be procured if possible. Varying condi-
(MIL-C-6529, Type II). This engine oil is a
tions will alter the measures of preservation, but
blend of aviation grade straight mineral oil
under normal conditions in a dry hangar, and for
and a corrosion preventive compound. This
storage periods not to exceed 90 days, the following
engine oil should be used for the first 25
methods of treatment are suggested:
hours of engine operation.
In the event it a. Fill fuel tanks with correct grade of gasoline.
is necessary to add oil during the first 25
b. Clean and wax aircraft thoroughly.
hours of operation use only MIL-L-6082 c.
Clean any oil or grease from tires and coat
aviation grade straight mineral oil of the tires with a tire preservative.
Cover tires to pro-
correct viscosity.
tect against grease and oil.
d. Either block up fuselage to relieve pressure on
During the 30 day non-operational storage or the first tires or rotate wheels every 30 days to change sup-
25 hours of intermittent engine operation, every sev- porting points and prevent flat spotting the tires.
e. Lubricate all airframe items and seal or cover
all openings which could allow moisture and/or dust
to enter.
2-4 Revision 1