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24/7 emergency response for all maintenance, service and repair work.

Here at Bellwood Rewinds Limited we have many years of experience with regards the servicing and maintenance of your diesel generating sets. We believe that our many approaches to your servicing and repair needs offers complete transparency and minimal disruption for our clients, thus building long term trusting relationships. As specialists in generator servicing, we are here to answer your questions.

Servicing your Generator

We offer part and full service packages for your generators, including the following:

  • 24/7 breakdown cover
  • Winter servicing and maintenance
  • Major and minor engine servicing
  • Engine oil and coolant analysis
  • Electrical component testing and inspection
  • Control panel upgrades
  • Alternator checks and fault diagnosis
  • Large stocks of spares at our Hartlepool works
  • Our own fleet of hire generators
  • A large range of new and used generators in stock up to 500kva
  • Our own resistive load banks for the on-site testing of your machines
  • Wireless diagnostic equipment to communicate with most makes of commercial engines such as Catterpillar, Perkins, Scania, Volvo, John Deere, Mitsubishi, Doosan and many more…

In addition to the above on-site services we have our 12,000 sq. ft. works in Hartlepool where we can carry out alternator rewinds up to 2000Kva, panel modifications, alternator reconfigurations, engine repairs and much more.

Our workmanship is guaranteed as all of our engineers are fully time served and trained to use the latest diagnostic methods.

For all your Generator Servicing Needs

You will have a dedicated contact who will be your point of call should you have any inquiries about your machine. We can carry out immediate breakdown visits or scheduled visits to suit your requirements. We can also arrange night time and or weekend working to suit your needs.

To ensure your machine is kept in tip top condition with generator servicing, please call our sales team now on 01429 264097. Find out why you should get your generator serviced here.

Why Generator Maintenance is Essential:

You might think that generator maintenance is only important in the winter, but this is not true. It’s important to consider having your generator serviced annually, preferably before the winter when most problems occur. By having your generator serviced early, you can work to avoid any problems hitting you in the cold of winter when you will likely need your backup power supply the most. This will save you the problem of having no backup power if/when the power goes down in the colder months.

Regardless of whether you are a small business, home owner or a giant corporation, you can never be too prepared for an unexpected power cut.


Why is it important to have your generator serviced?

Charles Bellwood, Owner of Bellwood Rewinds, said: “It’s essential to have your generators serviced if you want to get the best out of your system. Any downtime for a business, small or large, can be extremely costly and a huge inconvenience. Downtime for a large corporation may cost millions, but for a small business that relies on day-to-day business to operate, downtime can sometimes be fatal. Thankfully, there are measures that can be taken to prevent any unwanted disruptions. Generator servicing from Bellwood Rewinds is designed to make sure you don’t discover any unexpected problems with your generator in the winter.


Generally speaking, the more regularly your generator is called into action, the more frequently it should be used, however, this isn’t always the case. Depending on how much your back up power source is used, you might want to consider having it serviced annually, although some prefer to opt for every 6 months (or every 400 hours, depending on which comes first). For a small one-off cost each year, you will can help to avoid any major problems further down the line.

Regardless of use, your generator should undergo regular maintenance and oil changes. Over time, additives can break down in the oil which may lead to reduced performance. Oil should be changed after every 50-60 hours of your generator being used to ensure years of reliability.

Your diesel generator may become faulty without you realising it, especially if it isn’t used for some time. It’s a wise idea to check that your generator is working every so often to avoid major problems cropping up at the worst possible moment. Annual servicing and maintenance will give you peace of mind that your backup generator will work when you need it to.

The cost of generator service and repairs can depend on the work involved, whether the generator is portable or standby and whether the set is a low end model or a high end model. More powerful generators will often require extra maintenance, as will sets that have undergone more usage throughout the year. It’s a wise idea to call for a quote before you book your annual generator service.

Well, that depends on the specifications of the engine manufacturer. Generally, high quality 30-weight detergent is acceptable for summer conditions; quality 10W-30 is acceptable for winter conditions, but be sure to refer to your engine manual for oil recommendations.

Removing the gasoline is always a good idea when you’re going to be storing your generator for a long period of time, especially if you plan on storing it inside. It’s <em>never</em> advisable to store combustible materials inside of your home, as the result can be very severe.

Like we mentioned above, it’s not a good idea to store gas in a generator. However, if you’re storing gas in a can for your generator, a fuel stabiliser is definitely a good idea. If you require additional information, we offer generator servicing to all of our clients.

We can do this for you as we offer generator servicing to all of our customers, but if you’d like to do it yourself, it’s important to know that regular generator servicing involves changing the oil. A good tip is to run your generator for a few minutes first, to get the engine warm as this will help the oil and other contaminants to drain easier. You will then need to place an oil catcher under the oil pan and remove the cap, replace the cap and change the oil filter. Now you can add the recommended oil and restart the generator, after running for a few minutes you should turn the generator off and check the oil level again. This is one of the most important services that you can perform on your generator, but we can perform it for you if you require professional generator servicing services.

This will vary a lot depending on your generator, its capacity, the size of its tank and the size of the load you are placing on it. We recommend checking with the manufacturer to learn more about your generator. If you think your generator is under-performing and you’d like a professional to take a look, bring it to us for generator servicing.

Book your Annual Generator Service

Bellwood can provide load bank testing to test how well your generator operates under a range of loads. Find out more about our load bank testing, here.

When it comes to service and repairs, Bellwood Rewinds is the company you can depend on to provide a value for money service. We guarantee all completed work, offering specialist support for those of you that have any questions following our routine checks and repairs.

Our Generator Maintenance

Bellwood Rewinds offer Generator Servicing for local customers in the North East of England. With years of experience and professional, emergency call-out operations for when you encounter generator problems, we can ensure your generator is well-looked after for when you need it most.

To take advantage of a servicing package from Bellwood Rewinds, we’d recommend you get in touch to speak to a member of our team. We can discuss package options and help you to further understand the reasons why generator maintenance is essential. Call us today on: 01429 264 097 if you have any generator questions. We will gladly help.

I have used Bellwood Rewinds for many years to carry out motor and generator repairs, as well as supplying hire generators. I find them very helpful and most of all on time every time even on matters of an urgent nature. I would have no concern with recommending their services to anybody.
James Simpson
James Simpson
08:56 16 Nov 17
Fantastic company to deal with and great customer service, I would highly recommend!
Mike M
Mike M
08:59 19 Jan 18
Couldn't have asked for a better service from Bellwood Rewinds. Would definitely use again in future, and will most definitely recommend to others within the industry who are looking for quality customer service with a smile.
Lee Harris
Lee Harris
14:01 19 Jan 18
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