Cessna 182 1978 - Removal;Disassembly of Wheel Brake; Brake Master Cylinder Installation; Wheel Brake Assemblies; Hydraulic Brake Lines

MODEL
182
& T182
SERIES
SERVICE
MANUAL
5-82. DISASSEMBLY.
(Thru 18266590.)
(See
figure
place
packing
and
back-up
ring.
Filler plug
(3) must
5-16.)
be vented
so
pressure
cannot
build
up
during
brake
a.
Unscrew
clevis
(1)
and
jamb
nut (2).
operation.
Remove
plug and
drill
1/16-inch
hole
30
°
b. Remove
screw
(18)
and
washer
(19).
from
vertical,
if plug
is not
vented.
See
view
A-A
c. Remove
filler
plug
(17) and
setscrew
(5).
for location
of
vent hole.
d. Unscrew
cover
(4) and remove
up
over piston
rod
(3).
5-87.
REASSEMBLY.
(Beginning
with
18266591.)
e. Remove piston rod
(3) and compensating sleeve
(See figure 5-16.)
(16).
a. Install spring (8) into cylinder
body (9).
f.
Slide
sleeve
(16)
up over
rod
(3).
b. Install
back-up
ring
(6) and
packing
(7)
in groove
g. Unscrew nut
(12) from threads of piston rod
(3). of piston (5).
h. Remove
spring (13) and O-ring (9) from piston
c. Install piston (5) in cylinder
body (9).
(14).
d.
Install cover
(4) over piston
(5) and
screw cover
i. Remove Lock-O-Seal (15).
nto cylinder
body (9).
e. Install
nut (2) and
clevis (1).
5-83.
INSPECTION
AND
REPAIR.
(Thru
18266590.)
f. Install
filler
plug
(3), making
sure
vent
hole
is
(See figure 5-16.)
Repair
is limited to installation
of
open.
new parts,
cleaning and adjusting.
Refer to assem-
bly
paragraph
for
adjustment
5-88.
Use
clean
BRAKE
MASTER
CYLINDER
INSTALLATION.
fluid (MIL-H-5606)
as a lubricant
during reassembly
a. Connect hydraulic
hoses to brake master
cylin-
of
the cylinders.
Inspect
Lock-O-Seal
(Parker Sealders
and install
cylinders.
Co. P/N 800-001-6)
and replace
if damaged.
Replace b
Connect brake
master cylinders
to rudder pedals
all
O-rings.
Filler plug
(17) must
be vented
so pres-
and connect
parking
brake linkage.
sure
cannot
build
up
during
brake
operation.
Remove
c.
Install
rudder
bar
shield
and install
front
seats.
plug and
drill 1/16-inch
hole,
30° from
vertical,
if
d.
Install
bleeder screw
at wheel
brake
assembly
plug
is not vented.
and
fill and bleed brake
system in
accordance with
applicable
paragraph in this
Section.
5-84.
REASSEMBLY.
(Thru
18266590.)
(See figure
5-16.)
5-89.
HYDRAULIC
BRAKE
LINES.
a. Install
Lock-O-Seal
(15) at
bottom of piston
rod
(3).5-90.
DESCRIPTION.
The brake lines
are of rigid
b.
Install O-ring
(9)
in groove
in
piston (14);
insert
tubing,
except
for flexible
hose
used
at the
brake
piston
spring
(13)
into piston,
and
slide assembly
up
mater
cylinders.
A
separate
line is
used to
connect
on bottom
threaded
portion
of
piston
rod
(3).
each
brake
master
cylinder
to its
corresponding
c.
Run
nut (12)
up
threads
to
spring
(13).
Tighten
wheel
brake
cylinder.
nut (12) enough
to obtain
0.040±0.005-inch
clearance
between
top of
piston and
bottom of Lock-O-Seal,
as
shown
in the illustration.
d. Install
piston return spring (11) into cylinder
5-92. DESCRIPTION Th wheel brake
assemblies
(10) portion of body (7).
(10)
portion
of body
(7).5-92.
DESCRIPTION.
The
wheel
brake
assemblies
e. Install piston
rod (3) end through
spring (11).
employ
a floating
brake assembly
and a disc which
is
f. Slide
compensating sleeve
(16) over rod (3).attached
to the main wheel.
g. Install
cover (4),
washer
(19) and
screw (18).
h. Install
jamb
nut (2)
and clevis
(1).
5-93.
REMOVAL
OF
WHEEL
BRAKE.
(See figure
i.
Install
filler
plug
(17),
making
sure
vent
hole
is
5-4.)
Wheel
brake
assemblies
can
be removed
by
open.
disconnecting
the
brake
line (drain
fluid
when discon-
j.
Install
setscrew
(5).
necting
line)
and
removing
the
brake
back plate.
The
brake disc
is removed
after the wheel
is removed
and
5-85.
DISASSEMBLY.
(Beginning
with
18266591.)
disassembled.
To
remove
the
torque
plate.
remove
(See figure
5-16.)
wheel
and
axle.
a. Unscrew
clevis (1) and jamb
nut (2).
.
Reove
filler
plug
(
ure 5-4
for a breakdwon
of
wheel brake
parts. This
NOTE
figure may be used
as a guide for disassembling the
A special
tool,
brake master
cylinder
wrench
wheel
brakes.
No. 34-101
is available
from
the Cessna
Sup-
ply
Division
to
accomplish
the
following
step.
5-95.
INSPECTION
AND
REPAIR
OF
WHEEL
BRAKE.
a. Clean all parts except
brake linings and
O-rings
c. Unscrew cover (4) and remove up over piston (5). in dry cleaning solvent and dry thoroughly.
d. Remove piston (5) and spring
(8). b. Install all new O-rings.
If O-ring reuse is neces-
e. Remove packing (7)
and back-up ring (8) from sary, wipe
with a clean cloth saturated in hydraulic
piston (5).
fluid
and inspect for damage.
5-86. INSPECTION AND
REPAIR, (Beginning with
NOTE
18266591.)
(See
figure
5-16.)
Repair is limited to installation of new parts and Thorough cleaning is important. Dirt and
cleaning. Use
clean hydraulic fluid (MIL-H-5606) as
chips are the greatest single cause of mal-
a lubricant during reassembly of the cylinder. Re- functions in the hydraulic brake system.
5-34 Revision 1