Brakes - Mechanical brake components

Information

This inspection applies to all vehicles.

Method of inspection

Check the mechanical brake components for:

1	a	Chafed rods or levers
	b	Corroded, fray or knotted cables

Note: It is acceptable to fit cable expanders to reduce maladjustment.

	c	Condition of cable guides
	d	Free rotation of clevis joints between cables and levers (this includes cable linkages between brake pedals and remote mounted servos)
	e	Security of cables, rods, and clevis joints
	f	A corroded or damaged rod, lever or linkage. Wear in eyes of relay levers, clevis joints, stationary pins or pivots,
	g	Abnormal movement of levers, indicating maladjustment or excessive wear
	h	Security and excessive wear of brake linings/pads
	i	Contamination of brake discs and drums by leaking brake fluid, oil grease,
	j	The condition and security of brake drums and discs
	k	Presence and security of brake back plates/calipers
	l	Restriction of free movement
	m	Presence and security of locking devices

Note: On some vehicles, locking devices may not be obvious. However, if there is evidence of disturbance or change, inform the vehicle presenter.

	n	Condition and operation of brake slack adjusters
	o	Any inappropriate repair or modification

Reason for rejection

			Deficiency Category
1	a	A brake rod or lever reduced in thickness by more than 1/3rd	MAJOR
	b	A brake cable corroded, knotted or with wires broken so that it is weakened significantly	MAJOR
	c	A brake cable guide defective	MAJOR
	d	Seizure of clevis joint pivots which causes strain or wear to cables to an extent likely to lead to premature failure of the cable	MAJOR
	e	A cable, rod or clevis joint insecure	MAJOR
	f	Serious weakening of any part due to excessive wear, damage or corrosion	MAJOR
	g	Abnormal movement of levers indicating maladjustment or excessive wear	MAJOR
	h	A brake lining or pad insecure or less than 1.5 mm thick at any point	DANGEROUS
	i	A brake disc or drum contaminated by brake fluid, oil or grease	MAJOR
	j	A brake disc or drum in such a condition that it is seriously weakened or insecure	MAJOR
	k	A brake disc or drum cracked, or excessively scored, pitted, worn, or brake contact area significantly reduced	MAJOR
	l	A brake back plate, wheel cylinder or calliper securing device loose, missing or excessively deteriorated	MAJOR
	m	Restricted free movement of brake components	MAJOR
	n	A locking device missing or insecure	MAJOR
	o	A brake slack adjuster obviously defective or incorrectly installed	MAJOR
	p	A mechanical brake component inappropriately repaired or modified	MAJOR