MAINTENANCE
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> By Troy Geisler and Lloyd Hair
Trailer maintenance tips
eavy haul trailers trek thousands of miles during their service lives and encounter many challenges from rocks and ruts to bumps and jolts; no trailer gets out unscathed. To get the most from trailers, here are some tips to prevent costly damage and keep your trailers in top shape.
3 Pre-trip inspection
Before taking off with each load, inspect your heavy haul trailer and check that brakes and tires are in good condition. Also ensure tires are properly inflated to the right psi and confirm hydraulic hoses are free from cracks or damage. If you are operating a detachable or rear load model, be sure to properly maintain hydraulic pressure even on self-contained and wet lines.
4 Hydraulic cylinders
Hydraulic cylinders should be fully retracted when not in use to minimize the stainless-steel rams’ exposure to the elements and maximize their longevity.
5 Lubricate
Keep wheel-ends lubricated to minimize wear and prevent gear oil leakage. Well-lubricated wheel ends also ensure proper and safe operation. Brakes, cams
1 Start with the purchase
Minimizing heavy haul trailer maintenance starts long before the load hits the road. To ensure long term durability, choose units with high strength steel, such as 30-cm deep I-beams with a minimum yield strength of 100,000 psi. High-quality finishes are also important. A trailer with premium primer and topcoat finishes will look great for years to come and will, as a result, have a higher resale value.
2 Load capacity
To minimize wear on components such as brakes and tires, and to ensure safety, follow the right loading capacity of the trailer. This means getting a true idea of load constraints as well as weight, speed, and safety ratings. Manufacturers are great resources for providing a clear picture of each trailer’s true capacity. JUNE/JULY 2022
A quick walk around the trailer to inspect the frame, chains, and straps for damage is a good idea as well. Trailers see a lot of use and abuse, particularly in harsher weather conditions, so repairs or replacements could be needed sooner rather than later.
and slack adjusters need to be lubricated, as well. In addition, use dielectric grease on lighting connections, electrical components, lights and lighting harnesses to reduce corrosion. Always refer to the manufacturer’s recommendations and grease guidelines. CANADIAN MINING JOURNAL | 33
