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Source: ZF Friedrichshafen AG announcement
FRIEDRICHSHAFEN, Germany – According to the experts at ZF Friedrichshafen AG, the braking systems of trucks and buses need special care during the colder seasons. This is because moisture can form in the compressed air circuit due to the large temperature differences.
This can lead to corrosion or, in the worst case, freezing at temperatures below zero and thus putting the brakes out of operation. High demands are also placed on the brake pads in winter conditions. With ZF’s WABCO and TRW brand products such challenges can be mastered, which ultimately benefits road safety.
As winter approaches, so do the long nights with temperatures around or below freezing point. While the truck driver spends a pleasant night’s rest in the heated cab, his truck is at the mercy of the cold without protection.
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In extreme cases, the night frost can even prevent the truck from continuing its journey the next morning. If the dryer cartridge of the compressed air system needs replacing, it no longer sufficiently binds the moisture in the air. When the temperature drops, it condenses; the resulting condensation freezes and paralyses the brake system.
Winter is an extremely demanding time for the entire vehicle. Fleet operators should therefore make sure that all systems are operating efficiently – especially in the particularly safety-critical areas of the commercial vehicle.
WABCO air dryer cartridges help them do this. This is because the cartridges reach saturation faster, especially in vehicles which have a high air consumption due to their application profile.
TRW brake pads ensure reliable braking performance
ZF recommends commercial vehicle workshops also to check not only the compressed air system but the brake pads as well at the beginning of winter. This is because, in winter road conditions, the ESP and ABS driving dynamics control systems are particularly dependent on the friction linings having exactly the product characteristics which the vehicle manufacturer’s developers envisaged.
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If ESP intervenes, for example, because the commercial vehicle gets into a critical driving situation, then the friction build-up on the brakes must occur as quickly as possible – but also evenly enough so that the tyre does not lock.
A further challenge for brake pads in winter is contact with wet brake discs or those covered with salt and grit. TRW brake pads ensure that full braking power is quickly restored under such conditions.
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