How To Start A Generator That Has Been Sitting: Expert Tips

To start a generator that has been sitting, check the fuel and oil levels, then inspect the battery and connections. Ensure the air filter is clean before starting.

Generators can be lifesavers during power outages, but they need proper maintenance, especially if unused for a long time. Sitting idle can cause fuel to degrade, batteries to lose charge, and connections to corrode. Regular checks and timely maintenance ensure the generator functions when needed.

Before starting a dormant generator, examine fuel, oil, battery, and air filter conditions. These steps help in smooth operation and prevent potential damage. Proper upkeep not only extends the generator’s lifespan but also ensures reliable performance. Follow these guidelines to keep your generator in top shape and ready for emergencies.

Preparation

Before starting a generator that has been sitting, preparation is key. Proper preparation ensures safety and efficiency. Here’s what you need to do:

Safety Gear

Wearing the right safety gear is crucial. This keeps you safe from harm.

  • Gloves: Protect your hands from dirt and oil.
  • Safety goggles: Shield your eyes from debris.
  • Ear protection: Reduce noise from the generator.
  • Long sleeves: Prevent burns and cuts.

Tools Needed

Gathering the right tools beforehand makes the process smooth. Here’s a list of essential tools:

  • Wrench set: For loosening and tightening bolts.
  • Screwdrivers: Useful for various adjustments.
  • Fuel stabilizer: Keeps fuel fresh.
  • Oil: For lubricating engine parts.
  • Battery tester: Checks the battery’s condition.
ToolPurpose
Wrench setLoosening and tightening bolts
ScrewdriversAdjustments
Fuel stabilizerKeeps fuel fresh
OilLubricating engine parts
Battery testerChecks battery condition

Initial Inspection

Before starting a generator that has been sitting idle, you need to perform an initial inspection. This ensures the generator is safe and ready to run. Begin by checking for obvious issues and then move on to a more detailed examination.

Visual Check

Start with a visual check. Look at the generator closely. Check for any visible damage or leaks. Ensure that no parts are missing.

Use this checklist for your visual inspection:

  • Inspect the fuel tank for leaks.
  • Look at the oil level.
  • Check the air filter for dirt.
  • Ensure the exhaust is clear.

Component Assessment

Next, assess the generator’s main components. This will help identify any potential problems.

ComponentCheck
BatteryEnsure it is charged and terminals are clean.
Spark PlugCheck for wear and replace if needed.
Fuel SystemInspect for blockages or old fuel.
OilVerify oil levels and change if dirty.

Performing an initial inspection is crucial. It ensures your generator is ready and safe to use.

Fuel System

Ensuring your generator’s fuel system is in top condition is crucial. The fuel system consists of the fuel tank, fuel lines, and carburetor. It helps to keep your generator running smoothly. Follow these steps to make sure everything is ready for use.

Check Fuel Level

First, check the fuel level in the tank. Make sure there is enough fuel for the generator to run. It’s easy to overlook this step, but it’s essential.

Use the fuel gauge on your generator to see the current level. If the gauge is broken, open the tank and look inside. If the fuel is low, fill it up to the recommended level.

StepDescription
1Check the fuel gauge
2Open the fuel tank
3Fill the tank if needed

Replace Old Fuel

Old fuel can cause problems for your generator. If your generator has been sitting for a long time, the fuel may have degraded. Replace old fuel with fresh fuel to ensure optimal performance.

Follow these steps to replace the old fuel:

  1. Turn off the generator.
  2. Drain the old fuel from the tank.
  3. Dispose of the old fuel properly.
  4. Refill the tank with fresh fuel.

Always use the recommended type of fuel for your generator. This information is usually found in the owner’s manual. Fresh fuel helps the generator start easily and run smoothly.

 

How To Start A Generator That Has Been Sitting: Expert Tips

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Oil System

 

The oil system is crucial for starting a generator that has been idle. Proper oil maintenance ensures smooth engine operation. Follow these steps to check and change the oil.

Check Oil Level

Start by checking the oil level. This is a simple but vital step.

  1. Locate the oil dipstick. It is usually yellow or orange.
  2. Pull out the dipstick and wipe it clean.
  3. Reinsert the dipstick fully, then pull it out again.
  4. Check the oil level mark. It should be between the “Full” and “Add” marks.

Change Oil

If the oil is old or dirty, change it. Fresh oil helps the engine run smoothly.

  • Place a drain pan under the oil drain plug.
  • Remove the plug and let the old oil drain out.
  • Replace the drain plug securely.
  • Remove the old oil filter and replace it with a new one.
  • Fill the engine with the recommended amount of fresh oil.
  • Check the oil level again to ensure it is correct.

Always use the recommended oil type for your generator. This information is found in the owner’s manual.

Battery Check

When starting a generator that has been sitting for a while, the first step is a thorough Battery Check. A generator’s battery can lose charge and corrode over time, leading to startup issues. Ensuring the battery is in good condition is crucial for a smooth generator operation.

Test Battery

Begin by testing the battery’s voltage using a multimeter. A healthy generator battery should read around 12.6 volts or higher. If the reading is lower, the battery may be weak or dead. Inspect the battery terminals for any corrosion or loose connections. Clean the terminals if necessary, as corrosion can prevent proper electrical flow.

Charge Or Replace Battery

If the battery voltage is low, try charging it with an appropriate battery charger. Follow the charger’s instructions for safe and effective charging. If the battery does not hold a charge or the voltage remains low, it may be time to replace it. Choose a replacement battery that matches the specifications of your generator.

StepAction
1Test battery voltage with a multimeter.
2Inspect battery terminals for corrosion.
3Clean terminals if needed.
4Charge battery if voltage is low.
5Replace battery if it does not hold charge.

Ensuring a fully charged and functional battery is essential for starting your generator successfully. Regular battery maintenance can prevent many common generator problems.

How To Start A Generator That Has Been Sitting: Expert Tips

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Air Filter

The air filter is a crucial part of a generator. It ensures the engine gets clean air. A dirty air filter can cause many problems. These problems include reduced efficiency and engine damage. Let’s explore how to take care of the air filter.

Inspect Air Filter

First, locate the air filter on your generator. Open the housing carefully. Check if the filter is dirty or clogged. A clean filter should look white or light gray. A dirty filter looks dark and dusty.

Clean Or Replace Filter

If the filter is only slightly dirty, clean it. Use compressed air to blow out the dust. Always blow from the inside out. This ensures all dust is removed.

If the filter is very dirty, replace it. Purchase the right filter for your generator model. Follow the instructions in the manual. Install the new filter carefully.

StepDescription
1Open air filter housing
2Inspect air filter condition
3Clean or replace the filter
4Reassemble housing

Maintaining a clean air filter is vital. It keeps your generator running smoothly. Always check the air filter before starting your generator.

Spark Plug

Starting a generator that has been sitting requires some essential steps. One crucial component to check is the spark plug. A spark plug ignites the fuel mixture in the engine, making it vital for the generator’s operation. Below, we will walk you through inspecting and replacing the spark plug.

Inspect Spark Plug

First, locate the spark plug on your generator. It is usually near the engine’s top. Use a spark plug wrench to remove it. Examine the spark plug for any signs of wear or damage. Look for the following:

  • Black soot or carbon buildup
  • Corrosion or rust
  • Cracks in the porcelain insulator
  • Worn-out electrodes

If you notice any of these issues, the spark plug may need replacement. A dirty spark plug can be cleaned, but extensive damage requires a new one.

Replace If Necessary

Should the spark plug show significant wear, replace it. Follow these steps for a successful replacement:

  1. Purchase the correct spark plug for your generator model.
  2. Check the gap using a spark plug gap tool. Adjust if needed.
  3. Carefully thread the new spark plug into the engine by hand.
  4. Use the spark plug wrench to tighten it securely, but do not over-tighten.
  5. Reconnect the spark plug wire firmly.

Replacing a worn spark plug ensures a strong spark, facilitating your generator’s startup. Remember to check the spark plug periodically for optimal performance.

How To Start A Generator That Has Been Sitting: Expert Tips

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Startup Procedure

Starting a generator that has been sitting idle for a long time requires careful steps. The engine might need some priming, and the generator may need some special attention. Follow this guide to ensure your generator starts smoothly and safely.

Priming The Engine

Before starting the generator, it’s important to prime the engine. This ensures the engine receives the necessary fuel and lubrication.

  • Check the fuel level. Add fresh fuel if needed.
  • Inspect the oil level. Top up if necessary.
  • Examine the air filter. Clean or replace it if dirty.
  • Ensure the battery is charged and connected properly.

Priming involves a few key actions:

  1. Turn the fuel valve to the “On” position.
  2. Set the choke lever to the “Closed” position.
  3. Pull the starter cord gently until resistance is felt.
  4. Let the engine sit for a minute to allow fuel flow.

Starting The Generator

Now that the engine is primed, you’re ready to start the generator.

StepAction
1Ensure all electrical loads are disconnected.
2Switch the generator’s power switch to “On”.
3Pull the starter cord firmly or press the start button.
4Once the engine starts, gradually move the choke lever to “Open”.
5Let the generator run for a few minutes before connecting any loads.

By following these steps, you can ensure your generator starts without issues. Regular maintenance helps keep your generator in good working condition. Always consult your generator’s manual for specific instructions.

Frequently Asked Questions

How Do You Start A Generator After Long Storage?

Check fuel, oil, and battery. Prime engine, then pull-start or use electric start.

Why Won’t My Generator Start After Sitting?

Stale fuel, clogged carburetor, or dead battery might be the issue. Inspect and replace necessary components.

What Maintenance Is Needed For Unused Generators?

Regularly change the fuel, oil, and spark plug. Store in a dry, cool place.

Can Old Fuel Cause Generator Issues?

Yes, old fuel can degrade, causing clogs and poor performance. Always use fresh fuel.

How Often Should I Run My Generator?

Run it every 30 days for about 15 minutes. This keeps it in good working order.

What Safety Measures Should I Follow?

Always operate in well-ventilated areas. Check for leaks and ensure proper grounding.

Conclusion

Starting a generator that has been sitting can seem daunting, but it’s manageable. Follow these steps for success. Regular maintenance ensures your generator is always ready. Keep your manual handy for specific instructions. With these tips, your generator will run smoothly when needed.

Stay prepared and power up with confidence.

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