Brakes
CONDITION CAUSE REMEDY
INSUFFICENT BRAKE
ACTION
Worn brake linings Replace brake pads.
Blocked, bent, or broken
tubing or hose
Remove obstructions in line
or replace faulty tubing
Brake valve delivery pressure
below normal
Clean and replace worn parts
if brake valve is defective,
replace unit.
Insufficient parking brake
valve delivery pressure
Clean and replace worn
parts, or if valve is defective,
replace unit.
BRAKES RELEASE TOO
SLOWLY WITH PEDAL
RELEASED
Weak or broken valve
diaphragm return spring
Replace brake valve
Relay or quick-release valve
exhaust ports obstructed
Clean or replace faulty unit
ONE BRAKE DRAGS WITH
PEDAL RELEASED
Brake pad binding Remove pad, clean and
lubricate
Weak or broken brake shoe
return springs
Replace faulty spring
BRAKES ACT UNEVENLY
OR GRAB WHEN PEDAL IS
DEPRESSED
Grease or oil on linings Clean linings or replace
linings or pad assemblies
Defective brake valve Replace faulty unit.
Brakes need relining Replace brake pads.
Brake chamber diaphragm
leaking
Tighten all fittings; if caused
by broken or faulty unit,
replace the unit.
213REVISED: