When you see low pressure loud sound or leaks repair time may have arrived for your hydraulic pump. For a simple hydraulic pump repair follow these steps:

Step 1: Turn Off the Machine

Before any repair work is initiated ensure that the machine is shut down and the hydraulic pressure is released fully to prevent accidents.

Step 2: Disconnect the Pump

Disconnect the pump from the machine. Mark the hoses or take pictures to assist in reconnection later in the correct sequence.

Step 3: Clean the Pump

Clean the outside surface of the pump to avoid introducing dirt into it. Carefully open the pump and examine the inner components.

Step 4: Check for Damage

Check for worn vanes, damaged seals, broken gears, or piston wear. Check the casing for any cracks. Document parts that are to be replaced.

Step 5: Replace Defective Parts

Replace the defective parts using new quality parts. Always employ proper tools and adhere to the pump manufacturer’s instructions.

Step 6: Replace Seals and Filters

Even if the seals appear to be fine it is best to change them with every major repair. Check and also replace oil filters to maintain cleanliness in the system.

Step 7: Assemble the Pump

Assemble the pump together and ensure each bolt and connection is tightened tightly. Fill the system with fresh oil and clear any trapped air.

Step 8: Test the System

After you have installed the pump back into the machine slowly turn it on and observe for any leaks. Verify if the pressure returns to its normal level and listen for any strange noises.

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How to Repair Your Hydraulic Pump

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