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How to maintain your truck scale

To ensure its proper functioning, a truck scale should undergo maintenance at least once every six months. However, this frequency may change depending on a number of factors, including how frequently the scale is used, the climate it has to operate in and the material it’s weighing. Here are the main steps involved.

Calibration
A core reason for regular maintenance is that the scale needs to be calibrated regularly. This is extremely important because if the scale is used for commercial purposes, inaccuracies can lead to fines. Overloaded trucks also pose a serious safety hazard.

Foundation repair
A cracked or damaged foundation can lead to serious problems. First, cracks lead to settling, which in turn causes chronic inaccuracies and calibration errors. Second, small cracks will eventually become larger and jeopardize the structural integrity of the entire installation, leading to very costly and time-consuming repairs that may involve replacing the entire foundation.

Weighbridge inspection
The deck needs to be inspected for any signs of wear, like rust or crumbling concrete. Binding can also be a problem, as even small rocks the size of a golf ball or smaller can become wedged between the foundation and the deck.

Checking device examination
Not all scales use them, but if yours does, you’ll need to make sure the checking devices are in good shape. Pay special attention to the attachment points and verify that the rods are level and free of debris.

Load cell assessment
The load cells are a crucial part of any scale, and they need to be able to move freely within their capacity range to provide accurate measurements. Thus, the load cell area has to be checked regularly for debris, which can easily build up between inspections and prevent the scale from operating properly.

Junction box inspection
It’s very important to check the junction box for any condensation, as moisture is a very common problem with truck scales. This is because they’re often exposed to temperature differentials during normal operation, and overly enthusiastic washings can cause water to seep into the junction box. Left alone, this humidity can corrode components and cause short circuits.

Alberta’s scale experts
For everything from installation to calibration and maintenance, you can trust Accurate/Western Scale Co. LTD. Our technicians are certified by Measurement Canada to calibrate legal for trade scales and we have experience with both heavy-duty trucks scales and laboratory precision scales. Contact us today to learn more about our calibration, sales or rental services.


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