A sudden breakdown on the road means a delayed shipment and emergency towing and repair costs. Preventive maintenance is servicing the truck on a regular schedule before the failure happens, instead of waiting for it. Fleet management guides agree that brakes, tyres and suspension are responsible for a large share of roadside breakdowns and violations.
Daily check before departure
- Tyres: look for excessive wear, embedded objects or damage to the sidewalls.
- Brakes: test them before leaving the site.
- Lights and signals: make sure they all work.
- Leaks: check under the truck for any oil, fuel or fluid leak.
Weekly check
- Tyre pressure and tread depth: under-inflated tyres are more likely to blow out and increase fuel consumption.
- Air tanks on air brakes: drain the accumulated moisture and inspect the air lines.
- Fluid levels: engine oil, coolant, brake fluid, steering and transmission. Never run the truck on low fluids.
Scheduled periodic maintenance
- Change oil and filters according to the manufacturer’s recommendations.
- Rotate tyres and inspect brake wear at the same time.
- Check the gearbox and clutch, since heavy loads increase the stress on them.
Specialist guides remind us that service intervals for heavy trucks depend on the type of operation, not only on mileage. A truck working on rough roads or with constantly heavy loads needs a shorter schedule.
Record everything
An accurate record of every inspection and repair helps detect repeated faults and proves the fleet’s compliance with safety standards. Whoever follows these details usually passes road inspections more easily.
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