Mooney M20R - Cleaning Surfaces to be Sealed; Sealant Application; Sealant Mixing

SERVICE
AND
MAINTENANCE
MANUAL
M20R
MOONEY
AIRCRAFT
CORPORATION
CURE
RATES
(a)
Brushable
Type
Sealants
Tack-Free
Time
CureRate
Application
Life
CLASS
A
(HOURS)
(HOURS)
(HOURS)
PR1422
A-1/2
10
30
1/2
PR1422
A-2
36
72
2
CS3204
A-1/2
8
30
1/2
CS3204
A-2
24
72
2
(b)
Filleting
Compound
land
on
wing
walk
access
panel).
Tack-Free
Time
CureRate
Application
Life
CLASS
B
(HOURS)
(HOURS)
(HOURS)
PR1422
8-112
10
45
1/2
PR1422
B-2
36
72
2
CS3204
8-1/2
8
30
1/2
CS3204
8-2
24
72
2
CS3204
8-4
36
76
4
Follow
procedures
with
sealant
kits
to
properly
seal
tanks.
(c)
Access
Door
Sealant
(except
on
wing
walk
access
panel)
Tack-Free
Time
CureRate
Application
Life
CLASS
B
(HOURS)
(HOURS)
(HOURS)
CS-3330-B
8
16
2
PR1403-G-B2
10
48
2
PR1428-B
8
16
2
(d)
BRUSHABLE
TOP
COAT
PROTECTIVE
SEALANT
Tack-Free
Time
CureRate
Application
Life
PR1005L
~1;130URS(
6HOURS)
(~OURS)
CS3600
Allow 24
hours
cure
time
prior
to
refueling
tanks.
Air
must
be allowed
to
circulate
through
tank
access
covers.
B. Sealant
Mixing
3.
Cleaning
Surfaces
to
be
Sealed.
(1)
For
best
results,
use
kits
with
proper
pro-
A. Clean
metal
surfaces
to
be
sealed
with Turco
portions
of
base
compound
and
accelerator.
657
Wipe
Solvent
or
Methyl
Ethyl Keytone
(MEK).
W~pe
surface
dry
with
clean
cloth.
Do
not
allow
solvent
to
(2)
To avoid
excessive
air
entrapment,
slowly
evaporate.
stir
accelerator
into
base
compound.
Continue
mixing
for
seven
to ten
minutes.
Scrape
sides and
bottom
of
8. Allow
cleaned,
wiped
surface
to
dry
five
to
ten
container
to
include
all
compound
in mixture
and
to
in-
minutes
before
sealant
application.
sure
uniform
blending.
Scrape
mixing
paddle
on
edge
NOTE
of
container
to
remove
unmixed
compound.
Be
sure
to
Apply
sealant
as soon
as
possible
after
use
all of the
accelerator.
cleaning/drying.
Store
and
handle
parts
in
a
(3)
Place
small
amount
of mixture on
a
clean
ma""er
that will
prevent
finger
prints,
dust,
dirt,
strip
of
aluminum
and
spread
sealant.
Visually
exam-
or
other
foreign
substances
from
accumulating
on
surfaces
to
be
sealed.
ine
sealant
film
to
determine
whether
accelerator
is
visible
in
particle
form.
If
particles
of accelerator
are
NOTE
visible,
continue
mixing operation.
If
course
particles
of
Refer
to
Moonev
SE
M20-230
for
proper
accelerator
persist
after
mixing
thoroughly,
reject
en-
application
of
sealarit
and
drain
holes
that
are
to
tire
mixed
batch,
be
left
open.
4.
Sealant
Application.
All
old
sealant
must
be
re-
NOTE
moved.
Use
a
sharp,
non-metallic
scraper
(Formica
or
Sealant
in tube form
which
have
mixing
lexan).
When
sealant
has
been
removed,
clean
area
instructions
on
each
tube.
Read and
comply
with
these
mixing
instructions
prior
to
sealant
throughly
and
reseal
tank
as
follows:
application.
REV. 10-98
28-11-00
Island Enterprises