CHEROKEE 180
SECTION VI
SECTION VI
GENERAL MAINTENANCE
This section of the
Cherokee
Handbook
contains
information
which pertains
to
minor maintenance
of the airplane. For
further
maintenance assistance
refer
to the
Service Manual for
this
airplane.
Any
complex
repairs or modification should be
accomplished
by
a
Piper
Certified Service Center or equivalent.
LANDING GEAR SERVICE
The main
wheels
are Cleveland Aircraft
Products,
Modelf
40-86,
with
Cleveland single disk hydraulic brake
assemblies,
ModelA30-55.
The
nose wheel
is a
Cleveland
Aircraft
Products,
Model
40-76B.
All
wheels use
a
6.00
x 6,
four ply
rating,
Type III tire with
tube.
Main wheels are
easily
removed
by
taking
off the hub
cap,
axle nut,
and
the
two bolts holding the brake segment
in
place, after which the
wheel
slips easily
from
the axle.
Tires are demounted from the wheels
by deflating
the
tire,
removing
the three
through-bolts,
and
separating
the
wheel halves.
Landing
gear oleo
struts should be checked
for proper strut
exposures
and fluid leaks. The
required extensions
for
the strut when
under normal
static load (empty
weight of airplane plus full
fuel
and
oil)
is 3.25
inches for
the nose gear and
4.50
inches
f'or the
main
gear.
Should the strut exposure
be
below
that
required, it should
be
determined whether
air
or
oil is
required
by first
raising
the airplane on
jacks.
Depress the valve
core to allow
air to escape
from the strut
housing
chamber.
Remove the filler
plug
and
slowly
raise the strut
to
full compression. If
the strut has
sufficient
fluid it will be visible up
to
the
bottom
of the
filler plug hole and will then
only
require
proper
inflation.
761
513
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720615
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