Shop Iron Cast Replacement Hydraulic Pump Twin 3CX JCB Parker 20 925340 Repair | Partsdic®

Identification and Preparation:
Begin by identifying the exact model of the Parker 20 925340 hydraulic pump to ensure compatibility with the JCB 3CX backhoe loader.

Gather all necessary tools and equipment, including a service manual for reference, a torque wrench, hydraulic fluid, safety gloves, and protective eyewear.

Isolation and Draining:
Disconnect the backhoe loader from any power source and relieve pressure in the hydraulic system by moving the control levers back and forth. Place a drain pan underneath the hydraulic pump to collect any residual fluid. Carefully drain the hydraulic fluid from the system, making sure to follow proper disposal procedures.

Removal of the Old Pump:
Refer to the service manual for specific instructions on removing the old hydraulic pump. Typically, this involves disconnecting hydraulic hoses, removing mounting bolts, and detaching any additional components that may obstruct the pump's removal. Take note of the orientation of hoses and connections for accurate reinstallation.

Inspection and Cleaning:
Once the old pump is removed, inspect it for any signs of damage or wear.

Check for metal shavings or debris in the hydraulic fluid, as these may indicate broader issues within the hydraulic system. Clean the surrounding area and remove any contaminants to ensure a clean working environment for the new pump.

Installation of the New Pump:
Position the new Parker 20 925340 hydraulic pump in place, aligning it with the mounting points as per the service manual. Torque the mounting bolts to the manufacturer's specifications using a torque wrench to ensure proper tightness. Reconnect hydraulic hoses, paying careful attention to the correct orientation and tightening them securely.

Fluid Replacement and Bleeding:
Refill the hydraulic system with the recommended hydraulic fluid, following the specifications outlined in the service manual. Bleed the hydraulic system by operating the backhoe loader's controls to remove any air trapped in the system. Monitor fluid levels and top up as necessary.

 

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