How to check the hydraulic fluid level in a scissor lift?

Aug 26, 2026

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Cindy Davis
Cindy Davis
Cindy is in charge of the e - commerce department at Shandong Faster Machinery. She has been promoting the company's products such as boom lifts and scissor lifts to markets in Europe, North America, South America, Oceania and Southeast Asia, aiming to expand the global influence of the 'Fasterlift' brand.

Hey there! As a scissor lift supplier, I often get asked about how to check the hydraulic fluid level in a scissor lift. It's a crucial part of maintenance, and getting it right can keep your lift running smoothly and safely. So, let's dive into it.

Why Checking Hydraulic Fluid Level Is Important

First off, why do we even need to check the hydraulic fluid level? Well, the hydraulic system in a scissor lift is like the heart of the machine. It's what allows the lift to go up and down. The fluid in this system transfers power, lubricates moving parts, and helps dissipate heat. If the fluid level is too low, the lift might not operate correctly, or it could cause damage to the hydraulic pump and other components. On the other hand, too much fluid can lead to leaks and other problems. So, keeping the right level is super important.

small scissor lift (25)mobile scissor lift (103)

Before You Start

Before you start checking the hydraulic fluid level, there are a few things you need to do. Safety first! Make sure the scissor lift is on a flat and stable surface. Turn off the power and lower the lift to its lowest position. This not only makes it easier to check the fluid but also reduces the risk of any accidents.

Finding the Hydraulic Fluid Reservoir

The next step is to find the hydraulic fluid reservoir. In most scissor lifts, it's usually located near the base of the lift. It's a container that holds the hydraulic fluid. Look for a tank with a cap or a dipstick. Some lifts might have a sight glass on the side of the reservoir, which makes it easier to see the fluid level.

Checking the Fluid Level

Using a Dipstick

If your scissor lift has a dipstick, here's how you check the fluid level. First, clean the dipstick with a rag. Then, insert it all the way into the reservoir and pull it out. You'll see markings on the dipstick that indicate the minimum and maximum fluid levels. The fluid level should be between these two marks. If it's below the minimum mark, you need to add more fluid.

Using a Sight Glass

If your lift has a sight glass, it's even easier. Just look at the sight glass. There will be markings on it that show the proper fluid level. The fluid should be at or near the middle of the sight glass. If it's below the lower mark, it's time to add fluid.

Adding Hydraulic Fluid

If you find that the fluid level is low, you'll need to add more hydraulic fluid. But before you do, make sure you're using the right type of fluid. Check the owner's manual for your scissor lift to find out what kind of fluid is recommended. You can usually buy hydraulic fluid at a hardware store or an equipment supply shop.

To add the fluid, remove the cap from the reservoir. Use a funnel to pour the fluid slowly into the reservoir. Keep an eye on the fluid level as you're adding it. Stop when the level reaches the appropriate mark on the dipstick or sight glass.

Different Types of Scissor Lifts

We offer a variety of scissor lifts at our company. If you're interested in different models, here are some links to check out:

Regular Maintenance

Checking the hydraulic fluid level should be part of your regular maintenance routine for the scissor lift. It's a good idea to check it before each use, especially if you're using the lift frequently. You should also look for any signs of leaks around the reservoir or hydraulic lines. If you notice any leaks, it's important to get them fixed right away.

Troubleshooting

If you're having trouble with the scissor lift not operating correctly, the hydraulic fluid level could be the culprit. But there could also be other issues. For example, if the lift is making strange noises or is moving slowly, it could be a problem with the hydraulic pump or other components. In these cases, it's best to have a professional technician take a look at it.

Contact Us for Purchase

If you're in the market for a scissor lift or need more information about our products, we're here to help. Whether you're a small business owner or part of a large construction company, we have the right scissor lift for you. Just reach out to us, and we'll be happy to discuss your needs and provide you with a quote.

References

  • Scissor lift owner's manuals
  • Hydraulic system maintenance guides
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