3.5 Mechanical Brake Components

Information Method of Inspection Reason for rejection
  1. Check the mechanical brake components for
a. chafed rods or levers a. a brake rod or lever reduced in thickness by more than 1/3rd
b. corroded, frayed or knotted cables b. a brake cable corroded, knotted or with wires broken so that it is weakened significantly
c. free rotation of clevis joints between cables and levers (this includes cable linkages between brake pedals and remote mounted servos) c. seizure of clevis joint pivots which causes strain or wear to cables to an extent likely to lead to premature failure of the cable
d. a corroded or damaged rod, lever or linkage.  Wear in eyes of relay levers, clevis joints, stationary pins or pivots d. serious weakening of any part due to excessive wear, damage or corrosion
e. abnormal movement of levers, indicating maladjustment or excessive wear e. abnormal movement of levers indicating maladjustment or excessive wear
f. security and excessive wear of brake linings/pads f. a brake lining or pad insecure or less than 1.5mm thick at any point
g. contamination of brake discs and drums by leaking brake fluid, oil or grease g. a brake disc or drum contaminated by brake fluid, oil or grease
h. the condition and security of brake drums and discs h. a brake disc or drum insecure, cracked or excessively scored, pitted or worn
i. presence and security of brake back plates/callipers i. a brake back plate or calliper securing device loose or missing
j. restriction of free movement j. restricted free movement of brake components
k. presence and security of locking devices k. a locking device missing or insecure
Note: On some vehicles, locking devices may not be obvious.  However, if there is evidence of disturbance or change, inform the vehicle presenter  
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