When carrying out maintenance on a truck fitted with a hydraulically operated braking system, what periodic check must be carried out?

Question

DentroTest · Accepted Answer

On heavy vehicles with a hydraulic (or mixed) braking system, the driver or the person responsible for maintenance must regularly check the brake fluid reservoir to verify that the level is always between the minimum and maximum marks. A marked drop can warn of excessive wear of the brake pads or shoes, or of a dangerous leak in the circuit. Completely replacing the fluid every two months is not what is appropriate: a complete change is made according to the manufacturer's instructions. And draining brake fluid from the air tanks makes no sense, because the air tanks belong to the pneumatic circuits and store compressed air; what is drained from them is condensation water, never brake fluid.

When carrying out maintenance on a truck fitted with a hydraulically operated braking system, what periodic check must be carried out?

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