Piper Cherokee Six - Page 349

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
6A-42.
GEAR
DOWN/SELECTOR
HANDLE
UP
WARNING
SWITCH.
The
gear
down/selector
handle
up
warning
switch
(Switch
"B")
is
located
directly
forward
of
the
instrument
panel,
below
the
arm
of
the
throttle
control
lever.
(Refer
to
Figure
6A-12.)
This
switch
will
actuate
the
gear
warning
horn
and
light
simultaneously
when
the
gear
selector
handle
is
at
the
up
position
and
the
airplane
is
on
the
ground
or
airspeed
is
below
that
required
to
close
the
hydraulic
valve
and
the
pump
switch
of
the
back-up
gear
extender.
The
latter
applies
except
at
full
throttle.
6A-43.
REMOVAL
OF
GEAR
DOWN/SELECTOR
HANDLE
UP
WARNING
SWITCH.
a.
Remove
the
switch
from
its
mounting
bracket
by
removing
the
switch
attachment
screws.
b.
Disconnect
the
electrical
leads
from
the
switch.
NOTE
The
switch
with
mounting
bracket
may
be
removed
by
removing
the
control
quadrant
cover
and
removing
the
two
screws
that
secure
the
switch.
6A-44.
INSTALLATION
OF
GEAR
DOWN/SELECTOR
HANDLE
UP
WARNING
SWITCH.
a.
Connect
the
electrical
leads
to
the
switch.
Leads
attach
to
terminals
C
and
NC.
b.
Position
the
switch
against
its
mounting
bracket
and
secure.
c.
Ascertain
that
switch
actuates
by
moving
throttle
control
lever
aft
and
then
forward.
d.
Reinstall
the
quadrant
cover.
6A-45.
NOSE
WHEEL.
6A-46.
REMOVAL
AND
DISASSEMBLY
OF
NOSE
WHEEL.
(Refer
to
Figure
6A-13.)
a.
Jack
the
airplane
enough
to
raise
the
nose
wheel
clear
of
the
ground.
(Refer
to
Jacking,
Section
II.)
b.
To
remove
the
nose
wheel,
first
remove
the
cotter
pin
and
washer
that
secures
the
safety
clevis
pin
of
the
wheel
nut.
Next
remove
the
clevis
pin,
wheel
nut
and
then
slide
the
wheel
from
the
axle.
c.
The
wheel
halves
(7
and
10)
may
be
separated
by
first
deflating
the
tire.
With
the
tire
sufficiently
deflated,
remove
the
wheel
through
bolts
(18).
Pull
the
wheel
halves
from
the
tire
by
removing
the
wheel
half
opposite
the
valve
stem
first
and
then
the
other
half.
d.
The
wheel
bearing
assemblies
may
be
removed
from
each
wheel
half
by
first
removing
the
snap
rings
(I
or
16)
that
secure
the
grease
seal
retainers,
and
then
the
retainers,
grease
seals
(4
or
13)
and
bearing
cones
(6
or
12).
The
bearing
cups
(5
or
11)
should
be
removed
by
tapping
out
evenly
from
the
inside.
LANDING
GEAR
AND
BRAKE
SYSTEM
Issued:
7/28/75
2E1