how to repair a pallet jack that won t lift

Tips on How to Repair a Pallet Jack

• Power. For powered pallet jacks, the first thing you should do is make sure that you turn off all power running through the unit.
• Fluids. Pallet jacks work off of hydraulic power, and as a result there are a number of different fluids that are used inside these tools.
• Frame Check. ...

Full Answer

How do you fix a pallet jack?

To learn how to fix a pallet jack not lifting, see Method 1 to get started.…. Method 2: Replace the O-Ring to Restore the Hydraulic Fluid Pressure. Step 1: Prop Up the Pallet Jack. …. Step 2: Drain the Hydraulic System. …. Step 3: Remove the Lower Lever. …. Step 4: Pull the Valve Cartridge Out. …. Step 5: Fill with Hydraulic Fluid. 20 окт. 2020 г.

How to rebuild pallet jack?

Step 1: Lift the jack: Place an object or jack that stands beneath the axle to lift the drive wheels to allow easy access to the ring. Step 2: Drain the hydraulic fluid: Once you have clear access to the o-ring, find the drain screw near the rear wheel of the pallet jack. Pull the screw out using an Allen wrench and let out the fluid and into a bucket.

How to fix a pallet jack?

What to Do When Your Pallet Jack Won’t Go Down

1. Release Hydraulic Oil Having manual pallet jacks might require a little more effort but these are quite easy to use. ...
2. Broken Moving Parts If your problem was not from the hydraulic oil then there is a high chance that some of the moving parts in your device have gotten ...
3. Contact a Technician

How not to use a pallet jack?

How not to use a pallet jack. Position a set of four jack stands on the floor so that they support the pallet jack forks at each end. When a pallet jack is not in use, move the pallet jack out of pedestrian traffic. If you are pulling the jack out from a corner or wall, do not walk backwards.

How do you fix a pallet jack that won't go up?

0:071:06Pallet Truck Does Not Lift Or Raise? - Troubleshooting Guide 101YouTubeStart of suggested clipEnd of suggested clipPlease try the following ensure. The trigger on the handle is in the correct position for liftingMorePlease try the following ensure. The trigger on the handle is in the correct position for lifting this is its lowest position when it cannot be pushed down any.

How do you add hydraulic fluid to a pallet jack?

0:091:32How to bleed the air out of the hydraulic unit on a Pallet jackYouTubeStart of suggested clipEnd of suggested clipYou'll want to check the oil level. And add fluid until it just starts to run back out of this hole.MoreYou'll want to check the oil level. And add fluid until it just starts to run back out of this hole. And replace the plug.

What kind of hydraulic fluid goes in a pallet jack?

A pallet truck/jack is recommended to use a hydraulic oil of viscosity 30cSt at 40°C. If an oil with different viscosity used, one might find it difficult to pump the pallet truck's handle.

Why do pallet jacks get stuck?

There are two things that can cause this. The first is actually that there could be too much hydraulic oil in the device. So the first thing to try is to release a little oil from the hydraulic mechanism and try lowering the jack again.

Do pallet jacks have hydraulic fluid?

Pallet jacks help safely lift the load, using a hydraulic jack. A hydraulic jack uses hydraulic fluid to transfer the pressure that is needed to lift the load. The part of the pallet jack's maintenance is to check the hydraulic fluid frequently to ensure that it is at the proper fluid level.

How do you bleed a hydraulic pump?

Locate the pump and place a container under it to catch fluid that will drain when the plug is removed. Remove the bleeder plug shown in Figures 1 and 2. Air and hydraulic fluid should flow from the pump. The fluid may appear milky or foamy depending on the amount of air in the pump.

How do I add oil to my pallet jack?

1. Check and top up the oil of your pallet truckPlace the forks in the lowest position and turn the pallet truck on its side.Place the drain plug of the hydraulic cylinder at the top.Remove the screw plug.Add the hydraulic oil, until the level of the oil reaches the bottom of the filler opening.More items...•

What can I use instead of hydraulic fluid?

"It is a common practice in the construction and mining industries to use engine oil SAE 10, SAE 20 or SAE 30 with the lowest API rating as a substitute for hydraulic oil ISO 32, ISO 46 or ISO 68, respectively for hydraulic systems of heavy equipment.

Can I use motor oil in my hydraulic jack?

Do not use any other type of oil besides hydraulic jack oil. Motor oil or brake fluid will not work.

Can pallet jacks be repaired?

If your pallet jack has a leaky o-ring, the only way to fix it is to replace the ring and then fill the hydraulic system with fluid again. You can get replacement o-rings from most industrial equipment suppliers, tool supply centers and similar sources.

How do you inspect a pallet jack?

Inspect the cart, hand truck or pallet jack closely before each use. Look for cracks and other signs of possible defects or damage. Ensure the wheels are working properly and you have adequate tire pressure. Before operating a pallet truck, check the brakes, steering, controls, forks, hoists and warning devices.

What oil do you put in a pallet truck?

We recommend an ISO 32 or ISO 46 grade hydraulic oil, available from most agricultural, plant or material handling equipment suppliers. Remove the funnel to check the oil level in the hydraulic oil reservoir. The oil level should be up to the bottom of the hydraulic oil reservoir's fill hole.

How long does a pallet jack last?

The average lifespan of a forklift is 10,000 hours, but this depends on the manufacturer. Above-average machines, such as Toyota forklifts, commonly last more than 20,000 hours.

What is ISO 32 hydraulic fluid?

Hydraulic 32 is part of Crown Oil's range of premium-grade mineral-based hydraulic oils with good anti-wear properties providing protection in the most demanding of systems while still meeting ISO standards for hydraulic oil. This hydraulic fluid is rust, corrosion and oxidation inhibited.

How do you inspect a pallet jack?

Inspect the cart, hand truck or pallet jack closely before each use. Look for cracks and other signs of possible defects or damage. Ensure the wheels are working properly and you have adequate tire pressure. Before operating a pallet truck, check the brakes, steering, controls, forks, hoists and warning devices.

What oil goes in a pump truck?

hydraulic oilWe recommend an ISO 32 or ISO 46 grade hydraulic oil, available from most agricultural, plant or material handling equipment suppliers. Remove the funnel to check the oil level in the hydraulic oil reservoir. The oil level should be up to the bottom of the hydraulic oil reservoir's fill hole.

Why does my pallet jack stop lifting?

What Causes a Pallet Jack to Stop Lifting? The most common reason for a pallet jack to stop lifting properly is an air pocket in the hydraulic system. Since the hydraulic pressure is what's required to operate the jack, any air pocket can disrupt that pressure and keep the jack from lifting.

How to reassemble a pallet jack?

Reassemble The Pallet Jack: Put the lowering lever back in place, then insert the retaining pin to keep it there. Tap the retaining pin into place using the screwdriver and hammer if necessary.

How to remove a valve cartridge from a pump?

Pull the lever off the pump body. Remove The O-Ring: Locate the valve cartridge that was covered by the lower lever. Use pliers to turn the valve cartridge counterclockwise. Once it's loose enough, unscrew it the rest of the way and remove it by hand.

How to tell if pallet jack has a cracked o-ring?

If you're seeing moisture or hydraulic fluid leaking near the bottom of the pallet jack handle, that's a sure sign that you have a damaged o-ring.

What is pallet jack?

Categories: , Articles. Pallet jacks are a staple of warehouse equipment, particularly for moving shipping or storage pallets around. Although pallet jacks are fairly compact in size, what they lack in structure is compensated by force.

Is a pallet jack fail proof?

When you're regularly rotating stock or unloading shipments, they are a worthwhile investment. Unfortunately, they aren't fail-proof. If your pallet jack stops lifting, it's important to know how to deal with it. Here's a look at what you should know about a grounded pallet jack.

Why does my pallet jack not lift?

A pallet jack that does not lift has air inside the hydraulic system. The reason air gets inside is often due to a bad O-ring at the valve cartridge. An inspection of the hydraulic system near the bottom of the handle often shows signs of a fluid leak.

How to unscrew a valve cartridge?

Unscrew the valve cartridge that the lowering lever covers on the hydraulic system. Use a pair of pliers to start turning the valve cartridge counterclockwise until you can unscrew it by hand. Remove the O-ring from the ridge in the pump body where the valve cartridge sits.

How to tighten a pump cartridge?

Tighten the valve cartridge until you can no longer turn it by hand. Turn the cartridge another 1/2 turn with the pliers. Position the lowering lever back into the side of the pump body and secure with the retaining pin. Remove the screw on top of the pump body furthest from the pallet jack handle.

Where is the oil drain screw on a hydraulic pump?

Locate the oil drain screw on the right side of the hydraulic pump body beside the rear tire. Find the pin that secures the lower lever to the right side of the pump body. Place a small Phillips-head screwdriver over the end of the pin and tap the screwdriver with a hammer to drive the pin out of the lever.