Raytheon Beech Baron E55 - Page 356

Ray~heon
Aircraft
Company
BARON
55
AND 58
SHOP
MANUAL
NOSE
GEAR
SHIMMY
DAMPER
CLEANING,
REPLACEMENT
PARTS
AND
REPAIRS
CLEANING
Clean
all
parts
with
cleaning
solvent
(15,
Consumable
Materials
Chart,
Section
2).
Rinse
and
dry
thoroughly
after
cleaning.
CAUTION:
For
replacement,
use
O-rings
approved
for
use
with
mineral base
hydraulic
fluid.
Lubricate
all
internal
parts
with
hydraulic
fluid
(13,
Consumable
Materials
Chart,
Section
2)
prior
to
assembly.
I
REPLACEMENTPARTS
a.
Inspect
all
parts
and
assemblies
for
damage
or
excessive
wear.
The
following
conditions
are cause
for
rejection:
I
Wear
which
is
greater
than the
allowable
wear
tolerances.
Refer to
Chart
5.
Damage
which
cannot
be
corrected
or
repaired.
Parts
that
are
cracked,
chipped
or
broken.
Parts that
have corrosion
or
other
defects
that
cannot
be
repaired.
b.
Replace
the
following
parts
when
nose
gear
shimmy
damper
is
overhauled
(Ref.
Figure
13):
Cotter
Pin
(1)
Retaining
Pin
(15)
O-Rings
(4,
11,
13,
16, 20,
21)
Safety
Wire
Snap
Ring
(2)
Springs
(9,
18)
Piston
Scrapers
(3, 22)
I´•Washer(8)
REPAIRS
a.
Visually
inspect
casting
for cracks and
pitting;
and
finished
surfaces
for
scoring, pitting,
nicks,
cracks,
distortion
and
wear.
Refer to Chart
5
for
tolerances
to
aid
in
determining
the
extent
of
wear.
Replace
all
detective and
excessively
worn
parts.
b.
All
parts
or
assemblies
may
be
repaired
if
any
of
the
following problems
exist:
Slight
scoring
of shafts
may
be
corrected
by
lapping
carefully
with
a
flat oil
stone.
NOTE:
Do
not
exceed
10%
of
the
component
material thickness
when
removing
nicks,
burrs
and scratches.
Smooth
minor
nicks,
burrs
and
scratches.
Those
parts
that
are
scratched
or
have
worn
plating
may
be
stripped
and
replated
with the
same
type
of
plating
as
that removed
or
be
replaced
with
new
parts.
Minor thread
damage,
chase
to
clean
or
smooth.
Jun
30/04Page
62
SECTION
5
E22