Troubleshooting Guide: How to Fix a Pallet Jack Not Lifting

1 22 Aug 23


Ensure No Load: Make sure no weight is on the forks.

Pump the Handle: Pump the handle 15-20 times to bleed air from the hydraulic system.

Test Operation: Once bled, check if the pallet jack is lifting properly. In many cases, this step alone will solve the issue.


Method 2: Replacing the O-Ring to Restore Hydraulic Pressure If the issue persists, you may need to replace the O-ring. Follow these steps:


Prop Up the Jack: Lift the drive wheels off the ground using jack stands or a suitable object.

Drain Hydraulic Fluid: Loosen the reservoir cover screw with an Allen wrench and pump the handle to drain all fluid.

Remove Lower Lever: Use a Phillips head screwdriver and hammer to remove the pin holding the lower lever.

Replace O-Ring: Remove the old O-ring from the valve cartridge using pliers. Place a new O-ring and reassemble the valve cartridge.

Fill with Fluid: Refill the pallet jack with hydraulic fluid.

Test Operation: Test the pallet jack's lifting capability to check if the issue is resolved.

Choosing the Right O-Ring: When purchasing a replacement O-ring, ensure you have the correct size. Bring the make and model of your pallet jack to a hardware store to find the appropriate O-ring size.

Conclusion: Maintaining and repairing your pallet jack doesn't need to be complicated. By following these steps, you can troubleshoot and resolve the issue of a pallet jack not lifting. Remember, proper maintenance and timely repairs are key to ensuring the longevity and functionality of your equipment. If the problem persists despite these efforts, investing in a new pallet jack may be the most cost-effective solution in the long run.


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