Cessna 182 1978 - Trouble Shooting - Brake System; Brake Master Cylinder; Brake Master Cylinder Removal

MODEL 182 & T182 SERIES SERVICE MANUAL
5-78. TROUBLE SHOOTING -- BRAKE SYSTEM.
TROUBLE PROBABLE CAUSE REMEDY
DRAGGING
BRAKES. Brake pedal
binding. Lubricate pivot points;
replace
or repair defective parts.
Weak or broken piston
return Repair or replace
master cylinder.
spring in master cylinder.
Parking brake control
improperly Adjust
properly.
adjusted.
Insufficient
clearance between
Adjust clearance per paragraph
lock-O-seal and piston in 5-84.
master cylinder.
Restriction in hydraulic lines or in Remove restrictions; flush brake
passage in master cylinder system with hydraulic fluid
compensating
sleeve.
Repair or replace master
cylinder.
Warped or badly scored brake Replace disc and linings.
disc.
Damage or accumulated dirt Clean and repair or replace brake
restricting free movement of parts.
wheel brakes.
BRAKES FAIL TO Fluid low in master cylinder Fill system and bleed brakes.
OPERATE.
or wheel cylinder.
Faulty O-rings in master cylinder Replace O-rings.
or wheel cylinder.
Faulty lock-O-seal in master Replace lock-O-seal.
cylinder.
Excessive clearance
between lock- Adjust clearance
per paragraph
O-seal
and
piston.
5-84.
Internal damage to hose and O-rings Replace damaged parts. Flush
due to use of wrong type of hydrau-
system with denatured
alcohol. Fill
lic
fluid.
and bleed brake
system.
Pressure leak in system. Tighten connection; repair or
replace faulty parts.
Brake linings worn out. Replace linings.
Oil or grease on brake linings or Clean linings with carbon tetrachlo-
new
linings just installed.
ride.
5-79. BRAKE MASTER
CYLINDER. (See figure 5-16.) 5-81. BRAKE
MASTER CYLINDER REMOVAL.
a. Remove bleeder screw at wheel brake assembly
5-80.
DESCRIPTION.
The brake
master cylinders,
and
drain hydraulic
fluid from brake
cylinders.
located
immediately forward of
the pilot's rudder
b. Remove front
seats and rudder bar
shield for
pedals, are
actuated by applying
pressure
at the top
access
to brake master
cylinders.
of the rudder pedals.
A small
reservoir is incorpo-
c.
Disconnect parking
brake linkage
and disconnect
rated
into each
master cylinder
for the fluid
supply.
brake master
cylinders from
rudder pedals.
When dual
brakes are
installed, mechanical
linkage
d. Disconnect
hydraulic
hose from brake
master
permits
the copilot
pedals
to operate the
master cyl-
cylinders
and remove
cylinders.
inders.
e. Plug
or cap hydraulic
fittings, hose
and lines,
5-31