In the mining industry, where risks range from cave-ins to fire suppression system failures, mining companies find that thorough risk assessments are vital. Tire failures, safety incidents, and unexpected equipment malfunctions slow you down, erase margins, and put crews of mine workers at risk.
This guide delivers those three critical safety tips and essential safety measures. Apply them, and you’ll maximize cost-per-hour, protect your people, and keep downtime where it belongs.
The Importance of Mining Safety
Tire-related incidents are among the most common and most preventable causes of unplanned downtime in high-risk surface and underground mining environments.
The destructive impact of tire damage, safety hazards, and downtime.
A single blown tire on a loaded haul truck can trigger a cascade of potential hazards and consequences. Loss of control, damage to suspension and rims, injuries to nearby personnel despite personal protective equipment (PPE) like hard hats, potential fatalities, and hours of cleanup and recovery.
Link operator habits to tire and general safety.
Aggressive driving such as hard braking, sharp turning, or speeding, doesn’t just wear tread faster. It generates heat that degrades casings from the inside, accelerates sidewall fatigue, and dramatically increases blowout risk. Safe driving is tire preservation.
Overview of the three key points.
- Master proper haul truck operation techniques.
- Maintain and optimize haul road conditions.
- Conduct pre‑shift and post‑shift tire safety inspections.
Each tip builds on the next. Together, they form a complete safety and productivity system, complementing other protocols like respiratory protection and the use of respirators, for any mine site work environment.
Proper Haul Truck Operation and Techniques
How an operator handles the controls of heavy mining equipment, such as excavators, and heavy machinery directly determines tire life and safety. The following practices, reinforced through proper training, are non‑negotiable:
- No abrupt starts and stops.
Sudden acceleration spins tires, tearing tread and generating instant heat. Hard stops skid rubber and flat‑spot the contact patch. Smooth, gradual inputs keep the tire’s footprint stable and temperatures in check. - No sudden hard braking.
Emergency braking is for emergency response situations only. Routine hard braking forces the tire to resist lateral and longitudinal forces simultaneously, causing irregular wear and potential bead separation. Use engine braking and anticipate stops. - No excessive speed.
Speed multiplies heat. Respect the haul road’s design speed and your tire’s TKPH rating. - No sharp turns.
Tight turns scrub rubber off the tread face and stress the sidewall beyond its engineered limits. In a loaded truck, a sharp turn can also shift the load dangerously, increasing the risk of rollovers or collisions with other vehicles. Plan wide arcs. - No steering the wheel while stopped.
Turning the steering wheel while the truck is stationary grinds the tire’s contact patch against the ground, tearing lugs and damaging the bead area. Always roll slightly before turning. - No overloading.
Every tire has a maximum load capacity. Exceeding it causes excessive flexing, heat buildup, and structural failure. Respect the payload. Your tires (and your profit margin) will thank you.
Maintain and Optimize Haul Road Conditions
Even the best‑driven truck can’t overcome a bad road. Haul roads should be clean, stable, and well‑drained. Operators and site managers must work together to maintain them.
- Avoid greasy and oily surfaces.
Spills from hydraulic lines or fuel leaks create slick patches that reduce traction and cause tire spinning. Clean up any oily residue immediately. A layer of dry aggregate can help, but removal is the only permanent fix. - Avoid stones and rocks.
Sharp rocks cut tread, embed in grooves, and can puncture sidewalls. Larger rocks can wedge between dual tires or damage rims. Grade roads and surrounding work areas regularly to remove loose material. Use a magnet or sweeper on haul roads that see metal debris. - Avoid any puddles and get equipment to clean up as soon as possible.
Standing water hides sharp objects, softens the road base, and causes hydroplaning on radial tires. After rain, inspect the haul road. Drain or fill puddles and remove any debris that washed onto the surface. A dry road is a safe road for everyone on the worksite.
Operator and site collaboration:
Drivers should report any road deterioration in real-time to ensure immediate corrective action. The road maintenance crew must respond promptly. A well‑maintained haul road extends tire life by 20‑30% and reduces fuel consumption by reducing rolling resistance.
Pre-Shift and Post-Shift Tire Safety Inspections
Tires are among the highest expenses in mining operations. A few minutes of inspection each shift can save thousands in premature replacements and prevent catastrophic failures.
Before the shift starts (cold tires):
- Check inflation pressure on a cold tire.
Use a calibrated gauge. Refer to the tire manufacturer’s recommended pressure for the load and speed. Never inflate a hot tire to cold specifications—you’ll end up overinflated when it cools. - Check the face of the tire for cuts and tears; has the lug torn off?
Walk around the entire tire. Look for embedded rocks, missing chunks, or cuts that reach the casing. Mark any damage with chalk. If a lug is torn off, assess whether the casing is exposed. If so, the tire must be replaced or sent for repair. - Check the bead of the tire.
Run your hand all around where the tire meets the wheel. The bead area should be smooth, consistent, and free of rubber separation, cracks, or deformation. Any irregularity indicates a potential bead leak or mounting issue. - Check the valve stem and its core.
Pay attention to three things:
– Is there a cap on the valve stem? (A missing cap lets dirt and moisture into the – valve, causing slow leaks.)
– Is the cap tight? (Hand‑tight is sufficient; over‑tightening can damage the core.)
– Is the valve stem properly seated on the wheel? (Look for angle or wobble. A misaligned stem suggests a damaged stem or loose mounting.)
After the shift (hot tires):
Perform a visual inspection again. Look for new cuts, bulges, or signs of heat distress (discolored rubber, soft spots). Note any changes in pressure from the morning check.
Always identify and report any abnormal tire, wheel, or site conditions:
Use a daily log and inspection checklist to ensure compliance with OSHA and Mine Safety and Health Administration (MSHA) standards. Share findings with maintenance and operations. Small issues caught early are cheap fixes. Ignored issues become expensive failures.
Optimize Mine Site Safety, Optimize Cost-Per-Hour
Routine and consistent application of these three tips will dramatically reduce tire failures. When operators drive smoothly, roads are maintained proactively, and inspections are performed without fail, you will see:
- Fewer blowouts and flats
- Longer tire life (measured in hours and tons moved)
- Lower fuel consumption per ton
- Reduced risk of accidents and injuries
- Predictable maintenance schedules
MAXAM Tire is dedicated to more than just manufacturing high‑quality OTR tires. We are committed to looking out for our customers by providing the safety training, resources, and support you need to operate safely and profitably.
