Power tool repair: A step-by-step guide to fixing your power tools

Despite its indestructible-sounding name and function, a power tool is susceptible to all kinds of wear and tear throughout its life. With that in mind, it’s important to know how to fix such supplies when the time comes. Thankfully, the process of power tool repair is quite easy – it’s all about knowing how to deal with each part, one by one.

Before you start, make sure you have access to the right parts

When it comes to revitalising old power tools, it’s important to know that new parts aren’t always going to be compatible with old tools. Ensure that you have the exact manufacturer details of the tools that you’re going to be working on (that being the make, model and serial number). Providing this information to your manufacturer will make it easier for them to be able to locate your required part and issue you with a replacement. If the manufacturer can’t provide you with the part, you can always shop online with third-party suppliers.

The power cords

We said that we were going to deal with this guide on a part-by-part basis, so let’s get started with the cords of your tool. It’s quite easy to identify if your power cords need replacement as the cords will appear to be frayed. Damaged cords themselves are a significant safety hazard. Even if you notice the slightest bit of wear and tear on the cords, it’s important that you still replace them straight away. The good news is that you can easily replace old cords with new ones – simply consult your manufacturer or head to a retailer.

The bits and blades

An integral part of the power tool repair process is general cleaning. The bits and blades require specific attention, as a dirty saw blade can be particularly hazardous to use. Even if your power tool is quite new, it is best to get into the habit of regularly cleaning your blades. The good news is that it is very easy to do so – just simply take the blades off the tool and thoroughly clean them with a cleaning solution and a brush.

On the subject of cleaning, it’s important to consider the cleanliness and motions of all the moving parts of your tool. So, when the time comes to repair your piece, be sure to apply a dry lubricant to all of its internal gears.

Top tip: avoid using petroleum-based oil or grease, as these substances will attract further dirt and dust.

The brushes

General power tools tend to be equipped with two small brushes that form part of its motor system. Like any other part, brushes can deteriorate in quality and this can eventually prevent the tool from starting in the long run. Be sure to check the condition of your power tool’s brushes and replace them if necessary. Furthermore, before fitting in any new set of brushes, be sure to give them a good wipe down to eliminate any debris that may fall back into the motor.

The belts

This is a very crucial part of your tool. Most electric sanders tend to be driven by belts, and a typical reason as to why a sander may not work anymore is due to the belts being broken. Therefore, if you find that your power tool is winding up but there’s no motion, then it’s highly likely that your belts are broken. Thankfully, like with any other component, your old broken sets of belts can easily be replaced.

Safety tip: when installing the new belts, be sure that your power tool is unplugged completely.

The trigger

Unsurprisingly, the trigger of your power tool can also be susceptible to failure over time. The best way to check if this component needs replacing is to completely open up your tool and have a look at all of the trigger contacts and the spring. It’s important to note that a spring which has deteriorated over time is going to have a knock-on effect on the overall circuit of your tool.

Handles and knobs

As mentioned, when fixing your power tool, it’s crucial to check if every single part is in tip-top condition, and this includes the handles and knobs. If damaged, it’s best to fix these parts with an OEM (original equipment manufacturer). If your manufacturer does not have access to this replacement, then search online – just keep in mind your tool’s make, model and serial number.

The all-important safety guards

When fixing your power tool, do not, under whatever circumstance, neglect the importance of the safety guards. What we mean by this is do not attempt to start up any tool without first ensuring that the safety guards are in place and fully functioning. If you find that the safety guards are missing, consult your manufacturer straight away before attempting to do any repairs on your piece.

Use foam protection to keep your tools safe and secure

Last but certainly not least, it’s important to keep your power tools safe and secure in a foam-protective storage box. After all, a common reason as to why your power tool may deteriorate in quality over time is due to poor handling and storage.

At the Case Farm, our very own workshop team can provide you with a range of tool case inserts that safely store away your power tools. Whether you’re looking for tool box foam inserts, or just general tool tray foam, our specialists are here to listen to your requirements and provide you with the best protective storage solutions.

How about DIY custom foam?

A recent addition to our services is DIY custom foam, which gives you complete control of your foam inserts using the ingenuity of Easy Peel. All you do is enter your exact specifications into our calculator page and we’ll give you an instant quote. Then, complete the order and we’ll ship your inserts out to you. For more instructions, visit our Foam Tutorials section which will see you right.

If you have any questions at all about our products, do not hesitate to contact our dedicated team today. In the meantime, be sure to stay in touch with our blog on the best ways to use and protect your gear.

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