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How to Remove an Onan Generator from an RV in 3 Simple Ways + Video

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Are you trying to remove your Onan generator from a recreational vehicle (RV), but don’t know how to do it?  

Whether it’s for maintenance, repairs, or upgrading to a new generator, knowing how to properly remove the Onan generator is very much important when using a recreational vehicle. 

Removing an Onan generator from an RV requires careful planning, preparation, and execution. It involves disconnecting power, fuel lines, and electrical wiring, and detaching various components before finally removing the generator from its compartment.

Hence, in this blog post, I’ll guide you through the step-by-step process of removing an Onan generator from your RV, ensuring a smooth and successful removal.

By following the instructions given in this blog post and taking necessary safety precautions as recommended, you can safely remove the Onan generator from your RV in no time.

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How to Remove an Onan Generator from an RV

How to Remove an Onan Generator from an RV

So, remove an Onan generator from the RV, here are the steps or procedures you should follow. Additionally, if you in any way find the steps in this article difficult to digest, we added a video with practical solutions.

Step 1. Preparing for the Generator Removal

When it comes to removing a generator, proper preparation is key. You should take time to gather the right tools and equipment such as wrenches, screwdrivers, pliers, and a socket set for the task at hand. These tools will enable you to efficiently disassemble and detach the generator from its mounting on the RV.

However, having the right tools is just the beginning of removing the generator. And to further enhance the removal process, you should consider the option of having a generator lift/hoist available or renting one if possible as it helps to greatly simplify the lifting takes and help minimize the risk of strains or accidents during the removal.

Now that you already have your tools and, hopefully, access to suitable equipment, it’s important you also prioritize safety precautions. Before starting any work, you should ensure that the generator is turned off completely. You must take time to disconnect all power sources to avoid potential electrical hazards. 

Furthermore, you shouldn’t underestimate the importance of protective gear in the removal process. Wearing gloves and safety glasses can provide an extra layer of protection, reducing the likelihood of injuries while handling the generator. Your well-being matters, so take the time to equip yourself properly.

Also Read:- Onan Parts Near Me: Where Can I Find Onan Parts Dealers?

Step 2. Disconnecting the Onan Generator from the RV

Now that you have prepared for the generator removal process and get all your tools ready, it’s time to begin the process of disconnecting the generator from your RV. 

But how can you achieve that? Follow these steps to ensure a smooth and safe disconnection.

1. Locate the generator control panel inside your RV and turn off the generator. This will prevent any accidental starts during the disconnection process.

2. Once the generator is powered down, disconnect the battery cables. This step is important to ensure that there is no electrical current flowing to the generator, minimizing the risk of electrical hazards.

3. After that, carefully disconnect the fuel lines and any other connections supplying fuel to the generator. To prevent any fuel spills, make sure to have a container ready to catch any fuel that may escape during the disconnection process. Additionally, you can also remove the generator engine oil if possible to prevent it from going through other parts of the generator.

4. Next, identify the electrical wiring connecting the generator to your RV’s electrical system. You must label these wires or take pictures to facilitate easy reconnection later on.

5. Then locate the exhaust pipe connected to the generator. Use a wrench or socket set to remove the bolts that secure it in place. Take extra care to avoid damaging the exhaust system as you detach it from the generator.

6. After all the previous steps, underneath your RV, you’ll find the mounting bolts that hold the generator in its compartment. With the appropriate tools, loosen and remove these bolts. 

After you have found the volts underneath your RV, loosen and remove them, it’s highly recommended you have someone available to assist you during the next step to prevent any mishaps.

Step 3. Removing the Onan Generator from the RV

After you have disconnected the generator from your RV, you can use a generator lift or hoist and cautiously raise the generator from its compartment, strictly adhering to the instructions formerly outlined in the blog post for safe operation.

Inspect the area for any barriers or obstacles that might impede the generator’s removal. Remove nearby objects or adjust the positioning of the RV, if needed, to clear the pathway.

With the assistance of another individual as mentioned earlier, gently slide the generator out of its compartment, taking care to avoid any protruding objects that could cause entanglement. Exercise patience and proceed with caution to prevent harm to the RV or the generator.

Once the generator is completely out of the compartment, lower it to the ground with caution. Ensure that it is placed on a flat and stable surface to prevent tipping or any damage.

Here’s an overall video of the removal process:

What You Should Do After Removing The Onan Generator From an RV 

1. Inspect the generator compartment

After removing the generator, thoroughly inspect the compartment to ensure there are no loose wires, fuel leaks, or other issues that may require attention before installing a new generator or reattaching the existing one.

2. Clean and organize the removed generator

Secondly, take the time to clean and organize the removed generator. This includes removing any dirt, debris, or grime, and storing it in a safe and dry location to prevent any damage while it’s not in use.

3. Assessing any repairs or replacements needed

Lastly, while the generator is out of the RV, assess its condition and check for any repairs or replacements that may be required. It’s important to address any issues before reinstalling the generator or purchasing a new one.

Final Thought 

The Onan generator is a common choice for RVs, providing reliable power for appliances, air conditioning, and other electrical needs while camping or on the road. 

It is typically installed in a compartment on the exterior of the RV and is secured with mounting bolts.

Removing an Onan generator from an RV may seem like a daunting task, but following the outlined steps and taking the necessary precautions. 

You can successfully remove the generator and complete any maintenance or upgrades required. However, always prioritize safety and consult the manufacturer’s instructions for your specific RV and generator model.

Frequently Asked Questions 

1. Can I remove the Onan generator by myself?

Yes, it’s possible to remove the generator by yourself, but having an assistant can make the process safer and easier.

2. Do I need any specialized tools for the removal process?

Basic tools like wrenches, screwdrivers, and pliers are usually sufficient. However, a generator lift or hoist can greatly assist in safely removing the generator.

3. How long does it take to remove an Onan generator from an RV?

The time required can vary depending on your experience level and the specific RV model. On average, it may take a few hours to complete the removal process.

4. Can I reuse the removed generator in another RV?

Yes, if the generator is still in good working condition, it can be installed in another RV or used as a backup generator.

5. Are there any specific maintenance steps I should take after removing the generator?

Inspecting the generator compartment, cleaning and organizing the generator, and assessing any repairs or replacements needed are important post-removal maintenance steps to consider.


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