Drum Brake System: Testing and Inspection

Checking Drum Brake
WHEEL CYLINDER
Check for leakage.

DRUM





Check condition and inner surface.
Standard inner diameter: 295.0 mm (11.61 inch)
Drum repair limit (Inner : 296.5 mm (11.67 inch) diameter)

LINING





Check wear or damage.
Standard thickness: 6.1 mm (0.240 inch)
Lining wear limit
Minimum thickness : 1.5 mm (0.059 inch)