Trouble Shooting - Brake System; Brake Master Cylinder; Brake Master Cylinder Removal - Cessna T182 Series Service Manual

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