Mooney M20B - 25 Hour Inspection; 50 Hour Inspection

~3p,
Blades
Excessive
loss of
grease
from
bearings.
If
propeller
runs
rough,
check the
pitch
of
the
blades
(allowable
difference
~H’),
track
(allowable
difference
~s’),
and
balance.
C.
25
Hour
Inspection
This
inspection
is
designed
to
determine
´•the
general
condition
of the
airplane
and
to
detect
any
damage
or
maladjustment
which
might
interfere
with
night
reliability.
The
following
inspection
guide
is recommended
by
the
factory
and
should be
per-
’formed
by
qualified
personnel
only.
25
Hour
Inspection
Guide.
Remove both
engine
side cowls.
Clean
engine
and
refer
to
Lycoming’s
Operator’s
M~maf.
Remove
and clean
air
maze
filter.
Apply
light
coat
of
oil
before
reinstalling.
Inspectengine
compariment
for oil
or
fuel
leaks.
Check
for
secarityand
condition of
all
equipment
in
accessory
section
Check
all
wing, fuselage,
and tail
section
for
dents
or
d~mage.
Check
complete airplane
for
any
damage
to
control
surfaces~
Check
all
instruments for
operation,
dials
for
proper
mar~cings
and
;;lacards.
Check
static
and
pressure
system
of
airspeed
indicator
for
leaks
or
stoppage.
Inspect
airplane
in
general
for
security
of
all
bolts,
nuts,
screws,
etc.
Check the
battery.
D.
50
E~our
Inspection
Guiae.
Accomplish
-all
items
on
25
hour
inspection
and
the
following:´•
Engine;
Drain
oil,
chedi.ana clean
screens.
Check
engine
for
oil
leaks.
Check
ignition
harness
for
fray,
wear,
etc.
Check
throttle,
carburetor
heat,carburetor
mixture,
and
propeller
governor
control
for
general
condition,
travel,
and
free
operation.
Check
engine
mount
and
rubber
lord
mounts.
Check
exhaust
stacks
foi
general
condition.
Checl;
engine
baffles
for
wear
or
cracks.
Check
carburetor
air
cleaner. Clean
per
manufacturers instructions.
Check
fluid
in
brake
reservoir.
Check
battery
and
cables.
Check
cowl
for
cracks,
loose
or
missing
screws,
etc.
Remove
and clean
screen
in
electric
fuel
pump.
(Refer
to
Section
7-C).
n´•
Propeller:
Remove
spinner
and
check.
Check
propeller
for
oil
leaks
and
general
condition
Inspect
blades
for nicks and
cracks.
Clean
and install
spinner.
Cabin:
Check
parking
brake
cylinder
for
leaks.
---Check
trim
operation.
Check
cabin
door
and
pilot
window
for
damage
and
operation.
-15-
ii6jBi
OLDWILLWAYNE