How to change generator oil?

It is important to regularly maintain your generator if you want it to work properly. Maintenance will allow you to have a dependable generator. Replacing old oil is important. You may think that this is complicated. However, it is possible to do it at home.

It is important to keep the official product manual with you because you need to know details about the oil filter, suggested type of oil, the amount of this, and frequency of oil replacement.

How do you drain oil from a generator?

The following gives you some tips on how to change generator oil:

Safety matters

Before replacing old oil and the oil filter in the generator, keep your safety in mind. It is important to put on protective gloves plus glasses. It would be best if you even had all the important equipment with you.

Heat up the old oil

You can start by warming up the old oil within the engine. This will help it drain out more efficiently. Hot oil tends to possess a much more liquid consistency.

You will have to start the generator and allow it to run for some minutes. When a couple of minutes have passed, the old oil must be warm enough to allow you to turn the generator off. By doing heat up the old oil you can complete oil changes more easily.

Blocks to place the generator

Get some identical blocks, then place these on a level surface. Put the generator on blocks, allowing a free space beneath the oil drain plug. The machine must be well seated stable, and it should not fall off the blocks.

Unplug spark wire

When the generators are on stable blocks, find the spark plug, then unplug it. Because we do not want to let the generator start accidentally, use the instruction manual to find out where the spark plus is.

Remove the wire which is connected to the spark plug first. Do this step by safely grabbing the spark wire boot. Twist this in either direction, then pull off. It would help if you did this at the same time.

Secure the wire in a place upon the generator so that it does not contact your spark plug when altering the oil.

Drain the old oil

If you want to replace old oil, you need to drain it. Find the oil drain plug. The drain plug and parts around it may be dirty, and if this is so, you should wipe away oil residue and grime. Put an oil pan or some empty canister beneath the drain plug so that We can catch all the oil from your generator’s body.

You may even remove the oil filter cap so that draining old oil can be quicker. Be sure that nothing goes into the opening.

When the drain pan is within the place to catch oil pouring out of the generator, you need to remove your oil drain plug. You can use a ratchet here. When it is loose, remove the ratchet and socket. Unscrew the rest of the threading manually. Old oil begins to drain out of the generator’s engine when the plug is removed.

Change previous oil filter

A generator with an oil filter is also important to replace this. Running new oil in an old and dirty filter is not suggested.

If you replace the oil and filter together, this may increase the generator’s life and reduce the chances of the engine malfunctioning. A high-quality oil filter wrench is needed here. Gently get hold of the oil filter within the wrench, then loosen this slowly.

When loose, we recommend that you remove the wrench then do the unscrewing left manually. It may be common for the oil filter to be hot; therefore, wear protective gloves.

The oil can pour out of the opening, placing the drain pan beneath the filter.

Look carefully at the sealing surface upon the oil filter adapter to see debris or gasket material. Make it clean. Get hold of the new filter, then lightly lubricate the gasket with new engine oil. Begin installing by screwing this in manually until the gasket can contact the filter adapter. You can read the owner’s guide or manual if you are confused.

Take the wrench to tighten the filter an extra 1/2 to around 3/4 turn. Prepare to get rid of used motor oil and even the oil filter at local auto parts stores or manufacturers and service stations.

Refill new oil

When the new filter is properly in place, reinstall the old drain plug back within its place. Screw this in manually and tighten this using a socket wrench. Always remove the oil fill cap, then insert a funnel.

It is recommended that you slowly pour in new oil within the generator. Keep in mind that the type of oil and its needed volume tend to be different for the various brands and engine models. This is why you should look at the official owner’s manual here. It will be outlined how much oil is needed to be poured in.

When the needed amount of oil is poured in, remove the funnel, then close your oil fill cap. If you are confused, you can look at a video of this being done. It is a rule of thumb that you follow all instructions carefully according to the user’s manual. Get the specific oil with the right viscosity for your portable generator.

Put spark plug wire in place

Finally, re-connect the spark plug wire. It should be in the right position.

Reattach any covers then begin the generator. Allow it to run for some minutes. Turn it down then re-check whether the oil level is in the recommended range.

Items you need to change generator Oil

Items you need to change generator Oil

  • Protective goggles
  • Ratchet & oil filter wrench
  • Socket wrench
  • Phillips & flat screwdriver
  • Oil funnel
  • New oil
  • Drain oil can/canister
  • New oil filter
  • Clean brush & towel
  • Protective gloves
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How often should generator oil be changed?

Every generator requires an oil change every period of time. Time depends on many things like the size, type, and how often you’re running the generator every day. If you need to change the oil for your small generator like Champion 2000 Watt Inverter Generator then You can do it after 80-100 hours of Use. But if you have a large diesel then you can run 500-700 hours. There is no actual Number.  It’s really important to let the generator cool down before the oil change. Also, It’s recommended to replace the oil filter at the same time as the Oil change.

What happens if you don’t change generator oil?

If the oil hasn’t been changed for a long time, it will start to gel or solidify and eventually turn into sludge. In this case, the oil does not reach all parts of the engine, which causes a shortage of oil in the crankshafts, bearings, camshafts, and other valve train components. So for safety change your generator oil regularly.

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