Pump Repair

Service Manuals are designed to offer assistance when periodic maintenance is necessary. These are "must read and retain" documents that will help you achieve optimum performance for your Cat Pump. Each manual includes a step-by-step disassembly and re-assembly of the pump with additional information on:

• Tools used for manifold removal and seal and valve servicing
• Preventive Maintenance
• Inlet Condition Check-List
• Typical Reservoir Tank Diagram
• Torque Chart and Tool Sizing
• Fittings, Pipe & Hose Friction Lost Charts
• Handy formulas for determining RPM, flow and horsepower
• Cavitation Troubleshooting

To find your service manual, search by your Cat Pump model number using our literature search.

If you are unsure of your model number, click here.

Seal Direction

One common inquiry among customers servicing pumps is the direction of the seal when installing. As you can see in the image, both high and low pressure seals have a groove on one side of the seal. The side with the groove should be installed towards the area that will be “see” or be exposed water.

Oil Cap

When installing the oil cap, use caution not to overtighten as the cap is constructed of plastic. You should never use special tools as this will increase the likelihood of over tightening.

If you are looking for a Pressure Washer Service Center, you may contact your original equipment manufacturer or one of our authorized Pressure Washer Service Centers. To find the service center nearest you, use our locator tool by clicking here.

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