Hoisting; Parking; Flyable Storage; Temporary Storage - Cessna 177 SERIES Service Manual

2-3. HOISTING.
The aircraft may be lifted with a e.
These aircraft are equipped with a spring-loaded
hoist of two-ton capacity by using hoisting rings
steering bungee which affords protection against nor-
which are optional equipment, or by means of suit- mal wind gusts.
However, if extremely high wind
able slings.
The front sling should be hooked to each gusts are anticipated, additional external locks may
upper engine mount at the firewall, and the aft sling be installed.
should be positioned around the tailcone at the first
bulkhead forward of the leading edge of the stabilator. 2-8. FLYABLE STORAGE. Flyable storage is de-
If the hoisting rings are used, a minimum cable lenght
fined as a maximum of 30 days non-operational stor-
of 60-inches for each cable is required to prevent
age and/or the first 25 hours of intermittent engine
bending of the eyebolt type hoisting rings. If desired, operation.
a spreader jig may be fabricated to apply vertical
force to the eyebolts. NOTE
2-4. JACKING.
Refer to figure 2-2 for jacking The aircraft is delivered from Cessna with
procedures.
a corrosion preventative aircraft engine oil
CAUTION
(MIL-C-6529, Type II).
This engine oil is
a blend of aviation grade straight mineral
When using the individual jack pad, flexibility oil and a corrosion preventative compound.
of the gear strut will cause the main wheel toThis engine oil should be used for the first
slide inboard as the wheel is raised, tilting
25 hours of engine operation. In the event
the jack.
The jack must then be lowered for
it is necessary to add oil during the first 25
a second jacking operation. Jacking both hours of operation. use only aviation grade
wheels simultaneously with individual jack
straight mineral oil of the correct viscosity.
pads is not recommended.
During the 30 day non-operational storage or the first
2-5.
LEVELING. (Refer to figure 2-2. ) Longitudinal
25 hours of intermittent engine operation, every sev-
leveling of the aircraft is accomplished by removing enth day, the propeller shall be rotated through five
screws at stations 213.0 and 238.0 (on the tailcone) revolutions, without running the engine. If the air-
and installing bolts in the jig-located nutplates; then craft is stored outside, tie down in accordance with
placing a level across the bolts.
Raise, or lower, paragraph 2-7. In addition, the pitot tube, static air
the nose as required to center the bubble in the level. vents, air vents, openings in the engine cowling and
A level placed across the front seat rails at corres-
other similar openings shall have protective covers
ponding points is used to level the aircraft laterally.
installed to prevent entry of foreign material. After
30 days, aircraft should be flown for 30 minutes or
2-6. PARKING. Parking precautions depend prin-
ground run-up until oil has re-ched operating temper-
cipally on local conditions. As a general precaution, ature.
set parking brakes or chock the wheels and installthe
controls lock. In severe weather and high wind con-
CAUTION
ditions, tie-down the aircraft as outlined in paragraph
2-7 if a hangar is not available.
Excessive ground operation shall be avoided.
2-9. RETURNING AIRCRAFT TO SERVICE. After
2-7. TIE-DOWN.
When mooring the aircraft in the flyable storage, returning the aircraft to service is
open, head into the wind if possible. Secure control
accomplished by performing a thorough pre-flight in-
surfaces with the internal control lock and set brakes. spection. At the end of the first 25 hours of engine.
operation, drain engine oil and clean oil pressure
.C;AUTION
screen (or change external oil filter element). Ser-
vice engine with correct grade and quantity of engine
Do not set parking brakes during cold weather
oil. Refer to figure 2-3 and paragraph 2-21 for cor-
when accumulated moisture may freeze the
rect grade of engine oil.
brakes or when the brakes are overheated.
2-10. TEMPORARY STORAGE. Temporary storage
Moor the aircraft in accordance with the following
is defined as aircraft in a non-operational status for
procedures.
a maximum of 90 days. The aircraft is constructed
a.
Tie ropes, cables, or chains to the wing tie-
of corrosion resistant alclad aluminum, which will
down fittings located under each wing. Secure the
last indefinitely under normal conditions if kept clean,
opposite ends of ropes, cables, or chains to ground
however, these alloys are subject to oxidation. The
anchors.
first indication of corrosion on unpainted surfaces is
b.
Secure a tie-down rope (no chains or cables) to in the form of white deposits or spots.
On painted
the exposed portion of the engine mount and secure
surfaces, the paint is discolored or blistered. Stor-
opposite end of rope to a ground anchor.
age in a dry hangar is essential to good preservation,
c. Secure the middle of a rope to the tail tie-down
and should be procured if possible.
Varying condi-
ring.
Pull each end of rope away at a 45 degree angle
tions will alter the measures of preservation, but
and secure to ground anchors at each side of tail.
under normal conditions in a dry hangar, and for stor-
d.
Secure control lock on pilot control column. If
age periods not to exceed 90 days, the following meth-
control lock is not available, tie pilot control wheel ods of treatment are suggested.
back with the front seat belt.
a.
Fill fuel bays with correct grade of gasoline.
Change 6 2-3