Mooney M20M - Steering

SERVICE
AND
MAINTENANCE
MANUAL M20M MOONEY
AIRCRAFT
CORPORATION
3241-00
TROUBLE SHOOTING BRAKE
SYSTEM
TROUBLE
PROBABLE CAUSE REMEDY
Solid
pedal
and
no
brakes.
Brake
lining
worn
beyond Replace lining.
allowable limit.
Spongy
brake.
Air in
system.
Bleed
brake
system.
Pressure will
not
hold. Leak
in
brake
system.
Visually
check
entire
system
for
evidence of
leaks.
Parking
brake
will
not
hold. Air
in
system
or
leak
in
system
See remedies
above.
(downstream
of
parking
brake
valve).
Defective
parking
brake
valve.
Repair
or
replace
the
valve.
Brake
grabs.
Warped
or
bent
disc.
Replace
disc.
Foreign
matter
locking
disc.
Clean disc and
lining.
Brake
pedal
will
not
return
to
Master
cylinder
shaft
or
other Check that shaft travels
in
straight
line
neutral
position,
linkage
misaligned.
and not
binding
in
linkage.
32-50-00
-STEERING
NOTE
Check
nose
gear
leg
assembly
for
towing
32-50-01
NOSE GEAR STEERING
SYSTEM
damage.
Replace
if
any
dent
exceeds
1/32
inch.
The
nose
gear
steering
system
consists
of
a
steering
horn
on
the
gear
leg
linked to
the rudder
pedals by
Twin limiter
pads
and
adjustable
stops
(7),
Fig.
32-21,
push-pull
tubes
and
bellcranks.
Gear retraction
are
installed
on
the
nose
gear
leg
assembly
(A)
to
automatically
disengages
the
steering
mechanism
from
Prevent
towing/turning damage
to
the
leg assembly.
the
nose
wheel.
(SECt~ON
27-20-00
outlines the
nose
i.
Every
100
hours
remove
cotter
pin
(1)
(Figure
gear
steering
rigging.)
A
centering
cam
aligns
the
nose
32-21)
and
retorque
nut
(2)
to
450-500
inch Ibs. Check
wheel for
entry
into
the
wheel
well.
holes
in
leg assembly
where
pivot
bolt
(3)
is
located for
any
wear.
If
holes
are
worn,
replace
the
leg
assembly.
CAUTION
TUBULAR
STRUCTURE
Bolt, washer,
nut
(9)
and
(10)
(Figure 32-21)
j
must
be
installed
as
shown,
from
rear
to
front.
8
2.
Rod
end
bearing (4)
(Figure
32-21)
should be
inspected
at
least
every
100
hours for
any
damage
or
bending.
5
3.
Check
the
steering
horn
assembly
(5)
collars
and
spacers
for
looseness.
Replace
any
bushings
or
spacers
that
are
worn.
7
4.
Adjust
turn
limiter
stop
bolts
(7)
to
contact
cross
A
member
(8)
of
truss
assembly
(.020
gap
permissible)
when
rudder
is
at
its
extreme
left
and
right
travel
32-50-02
NOSE GEAR STEERING
ANDTRACKING
position.
1.
Level
aircraft
as
described
in
Chapter
8.
2.
Center
nose
wheel.
3.
Place
plumb
line
over
and
forward of
nose
gear
trunnion
(see
Figure
32-22)
part
number
540001-503.
4.
Measure forward from aft
edge
of
plumb
line
to
axle
center
line.
Modification
relocating
nose
wheel
NOSE GEAR
LEG
ASSI.
should
be
accomplished
if
axle
position,
forward of
plumb
line,
exceeds
.06.
5.
Add
SE
M20-202-3
spacer
under
collar
to
reposition
the
axle
if
required.
NOTE
NOSE WHEEL STEERING FIGURE
32-21
Some
collars
have
holes drilled
off
center
and
may
be
turned
over
to
change
axle
position.
32-41-00
4-99
22
OLDWILLWAYNE