Cessna T188C - Page 32

MODEL
188 &
T188 SERIES
SERVICE MANUAL
2-28.
CLEANING.
NOTE
2-29.
GENERAL
CONSIDERATIONS.
Keeping
the
At
least
once
a day,
the aircraft
should
be
aircraft
clean
is important.
Besides
maintaining
the
cleaned
t o help
prevent
corrosion
and
staining
trim
appearance
of the
aircraft,
cleaning
reduces
the
of
the
painted
surfaces.
possibility
of corrosion
and makes
inspection
and
maintenance
easier.
2-32.
INTERIOR
CLEANING.
Prior
to hosing
out
the
interior
of the
fuselage,
remove
the
two
panels
2-30.
WINDSHIELD
AND
WINDOWS.
Clean
care-
on
each side
of the tubular
structure
and the
one on
fully
with plenty
of fresh
water and
a mild detergent.
each side
of the
tailcone.
Open the two
access doors
using the palm
of the hand to
feel and dislodge
any
aft of the firewall
and remove
rubber plugs
from
caked dirt
or mud. Rubber
gloves should
be used to
drain holes
in bottom of fuselage.
Remove
pilot's
avoid hands
coming in contact with any chemicals
or seat. The radio,
heater outlet and instrument
panel
dust on windows or windshield. A sponge, soft cloth should be protected to keep them dry. First hose
or chamois may be used. but
only as a means of
down interior of fuselage and inside
of panels, using
carrying
water to the plastic. Rinse thoroughly,
then clean water
to flush away any dust and chemicals
dry
with a clean moist chamois.
Do not rub the plas- that may
have collected. Care must
be taken not to
tic with a dry cloth since this builds up an electro-direct stream of water on or behind the instrument
static charge which attracts dust. Oil and grease pael or radio. Do not direct stream of water at
may
be removed by rubbing lightly
with a soft cloth intersection
of rudder cables and aft
tailcone bulk-
moistened
with Stoddard solvent.
After washing. th head,
as water could get through the
seals into the
stabilizer.
After
the interior
has been hosed
down
plastic
windshield and windows
should be cleaned
stabilizer
After the interior has
been hosed down
with an aircraft windshield
cleaner. Apply the clean-
it should be washed by
hand with a sponge or soft
er with soft cloths, and rub with moderate pressure. cloth, using a mixture of warm water and soap.
Allow the cleaner to dry. then wipe it off with soft Rubber gloves should be worn during the washing
flannel cloths. A thin, even coat of wax, polished process to protect hands from chemicals on the inter-
out by hand with
clean, soft flannel cloths, will
fill ior surface. A hose
rinse should follow the soap and
in minor
scratches and help prevent further
scratch- water washing
process to flush away soapy
water.
ing. Do not use a canvas cover on the windshield or After a reasonable drying period reinstall rubber
windows unless a freezing rain
or sleet is anticipated,
plugs in drain holes in bottom
of fuselage. Close
since
the cover may scratch the plastic
surface. access
doors, and reinstall panels and
pilot's seal.
CAUTION
2-33.
ENGINE
AND ENGINE
COMPARTMENT.
An
engine
and
accessories
wash-down
should
be
accom-
Do not
use gasoline,
alcohol,
benzene,
acetone,
plished
during
each
100-hour
inspection
to remove
carbon
tetrachloride,
fire
extinguisher
fluid,
oil,
grease,
salt
corrosion
or other
residue
that
de-icer
fluid,
lacquer
thinner
or glass
window
might
conceal
component
defects
during
inspection.
cleaning
spray.
These
solvents
will
soften
Also,
periodic
cleaning
can
be very
effective
in pre-
and
craze
the
plastic.
ventive
maintenance.
2-31.
EXTERIOR
CLEANING.
Do not
apply
wax or
Precautions
should
be taken
when
working
with clean-
polish for a period of 7 to 10 days after delivery. ing agents such as wearing of rubber gloves, an apron
This will give the paint a chance to cure by the nat- or coveralls and a face shield or goggles. Use the
ural process. Waxes and polishes
seal the paint least
toxic of available cleaning
agents that will satis-
from the air and prevent curing. Any ordinary auto- factorily accomplish the work. These cleaning agents
mobile paste wax may be used to polish the painted include: (1) Stoddard solvent (Specification P-D-680,
surface. If it is necessary
to clean the painted sur-
type II), (2) A water base alkaline
detergent cleaner
face before the expiration of the curing period, use (MIL-C-25769J) mixed 1 part cleaner, 2 to 3 parts
cold or lukewarm water and
soap, rubbing gently
water and 8 to 12 parts Stoddard
solvent or (3) A sol-
and
holding it
to a minimum
to avoid
cracking
the
vent base
emulsion
cleaner
(MIL-C-4361B)
mixed
1
paint film. Prior
to cleaning, install plugs
or mask part cleaner
and 3 parts Stoddard solvent.
off all
openings to
prevent entry
of water in the
en-
gine compartment.
or pitot and
static systems.
First the airplane including spray and dusting equip- ..
ment should
be hosed
down with clean
water to
Do
not use gasoline
or other highly
flam-
flush away any loose dirt; then wash with clean luke- mable substances for wash-down.
warm
water and
soap. Rubber
gloves should
be used
to avoid hands
coming in contact with any
chemicals Perform all
cleaning operations in well ventilated
on the exterior
surface. Harsh or abrasive soaps
work areas, and
ensure that adequate fire-fighting
or detergents, which could cause corrosion or make and safety equipment is available. Do not smoke or
scratches, should
not be used. Soft cleaning
cloths exposea flame within
100 feet of the cleaning area.
or a
chamois should
be used to prevent
scratches
Compressed
air, used
for cleaning agent
application
when
cleaning or
polishing. To remove
stubborn
or drying,
should be
regulated to the
lowest practical
oil and
grease.
use a
cloth dampened
with naphtha
or
pressure.
Use
of a stiff
bristle
brush
rather than
a
kerosene.
A ine grade
rubbing compound
may be
steel brush is recommended
if cleaning
agents do
not
used
to remove
bugs and
gasoline
stains.
remove
excess
grease and
grime during
spraying.
2-10