Among different trailer parts which you might be familiar with, leaf springs deserve special mention. The essential part allows the trailer to move. However leaf springs are likely to wear with time since they are widely used when a trailer moves. So that these parts don’t wear out to an extent where they will ultimately cause damage to the trailer, remember to get them checked at regular intervals.

Before jacking up the trailer, just leave the vehicle on level ground to ensure the tyres are adequately filled with air. Tyre pressure should be maintained throughout. Furthermore it is vital to find out that the trailer showcases normal kerb weight with its fuel tank optimally filled.

Next, make sure you have crouched down a bit, a little away from the trailer to find out if the tyres are sitting well on road. In actuality, they should be levelled from all sides. However if any side is lowered a bit, it means the spring has got damaged or weakened.

Sometimes prolong use is considered responsible for the slightest sag. However if you find the sag appear way more than expected, its time you need replacing them. Furthermore move the trailer from each and every angle to find out the swinging pattern of the vehicle. The swinging links should remain vertical with the trailer at its kerb weight.

Now, compare deflection of shackles on all sides of the trailer. They should be the same. However if you find out that the trailer’s rear spring which forms an integral element  among trailer parts in Sydney to have gone weaker, it could indicate a potential damage or may have been hugely worn out due to ageing.

Cleaning of leaf springs

Leaf springs are mostly crafted of multiple thin strips made of sprung steel of different sizes which are further held together by means of clamps. However the trailer leaf springs are subject to regular wear when the leaves get rubbed against, in times of suspension movements. In order to overcome such wear experts recommend that you attach a “tapered-profile” single leaf spring to the trailer.

Generally dirt particles settle in between leaves and facilitate rusting and wear. Hence it is vital that you regularly clean the springs in order to enjoy extended life of your trailer.

Want to know what is the exact interval you ought to maintain, for cleaning the leaf springs? This is generally mentioned in the handbook. Its fact, today’s leaf springs don’t require lubrication. The reason is lubrication further damages the anti-friction capability of the leaves. Hence spraying the leaves by applying lubricant which is silicone based is ideal for cleansing them.

Modern age trailers come with leaf springs which are found near rear suspension. You can raise your trailer a bit, to clean them. Furthermore you will need removing the hub caps and then the trims from the trailer wheels. After loosening the wheel nuts, just jack a single side of your trailer off the ground. Provide support to the vehicle by using axle stand kept under the chassis.

If you find the spring heavily coated with dirt or rust, simply use wire brush to remove such traces. Remember to wear safety gears to prevent all types of small particles from entering your eyes.

Author's Bio: 

The author runs a company selling trailer parts in Sydney. In recent times the author has been writing blogs sharing details on trailer parts.