Avoiding Equipment Breakdowns When Cleaning Concrete

All power washers require routine maintenance because the high-pressure water wears out seals, O-rings, springs, and other components. But you can avoid excessive maintenance costs by following these operating tips:

  • Never run the pressure washer without water. This will cause premature failure of the pump seals.

  • Don't run the power washer in bypass for more than a few minutes (the unit is running but the trigger is not depressed). The water circulates in a closed loop and heats up quickly. Most pumps have a thermal-relief valve, but if the valve fails, the pump can be damaged.

  • Make sure the water source provides the volume of water needed by the pump. If it doesn't, the pump will suck in air, which can damage the pump. The first sign of air in the pump is a loss of pressure and a hammering noise.

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