Mooney M20R - General; Spinner Dome and Propeller Removal - Typical

MOONEY
AIRCRAFT
CORPORATION
M20R
SERVICE
AND
MAINTENANCE
MANUAL
61-00-00
-GENERAL
NOTE
It is
not
necessary
to
remove
spinner
when
The
propeller
is
a
constant
speed
type
which
operates
by
removing
propeller
assembly.
hydraulic
pressure
opposing
natural
centrifugal
twisting
moment
of
rotating
blades
and
spring
force
to
obtain
the
A. Remove
screws
and
fiber
washers
(1)
from
aff
correct
pitch
for
the
engine
load.
Engine
lubricating
oil is
spinner
bulkhead
assembly
(2)
and
screws
(3)
from
each
supplied
to
power
piston
in
propellerhub
through
propel-
doublet
plate
(4).
(Reference
Figure
61-1).
ler
shaft.
The
amount
and
pressure
of oil
supplied
(0-300
B. Leave
doubler
plates
attached
to
aft
bulkhead.
PSI)
is
controlled
by
an
engine
driven
governor.
Increas-
C.
Carefully
pull
spinner
dome
(5)
forward
to
clear
ing
engine
speed
will
cause
oil
to
be
admitted
to
piston,
propeller
blades
and hub
(6).
thereby
increasing
propeller
pitch.
Conversely
decreas-
D.
Spinner
support
is shimmed
for
snug
fit
inside
ing
engine
speed
will result
in
oil
leaving
the
piston,
spinner
dome,
las
required);
note
quantity
ofshims(l2)
therefore
decreasing
propeller
pitch.
installed
for reference
when
re-installing
spinner
dome.
Propeller
overhaul
shall
coincide
with
engine
overhaul,
Spinnerdome
must
fit
support
(7)
snug
at each
re-install
but
interval between
overhauls
shall
not
exceed
1500
action.
hours.
Refer
to
propeller
manufacturers’
overhaul
man-
ual
for
complete
maintenance
action.
CAUTION
The
propeller/spinner
installation
is
dynamically
NOTE
balanced
dunng
final
manufacturing
process.
It
Is
Approved
propellqr
shops
ONLY
are
authorized
for mandatory
that
spinner
be
re-installed
in
exact
overhaul
or
ma~or
repairs
to
these
propellers.
position
as
removed,
unless
all
weights
are
Refer
to
Federal
Aviation
Regulations,
Part
43,
removed
and
a
complete
rebalancrng
procedure
is
(FAR
43)
and
Federal
Aviation
Agency
Advisory
accomplished.
Circular
No.
43.13
)IAC
43.13(
rfor
definition
of
major
or
minor
repairs
or
alternations
and
who
2.
Propeller
removal.
may
accomplish
them. A. Cut
safety
wire
and
discard.
Loosen
nuts
(8)
at-
taching propeller
to
engine
crankshaft,
propeller
flange
61-00-10
SPINNER
DOME
AND
PROPELLER
(9)
about
1/4
inch and
pull
propeller
forward.
REMOVAL
(TYPICAL)
1.
Spinner
dome
removal
(if
necessary).
E\
8
6
10
12
13’
b
p//
SMMR61-1
10
-----c""
SPINNER
DOME
ANDPROPELLER
REMOVAL
FIGURE
61-1
REV.
10-98
61-00-00
Island Enterprises