Preventative Maintenance of the Pressure Washer

To avoid damages from wear and tear and subsequent performance issues which may lead to constant repairs, it’s important you take out time to routinely examine and ensure proper cleaning of your pressure washer and its accessories. This should be done both before and after each use. Most of the time, it is important you refer to the operator’s manual which comes with it for aguide on how to properly maintain your pressure washer.

Generally, there are basic checks and preventive maintenance procedure every owner should not skip before and after use of the device.

Before Each Use:

Step 1: check the oil

This is common with most engines. It is very important that you check both the engine and the fuel levels. Ensure to gauge the oil and fuel if it is low or totally change the oil after a long use as recommended in the manufacturer’s manual of operation.

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Step 2: check the tires

Ensure you check inflatable tires and don’t forget to keep air pressure at marked value as recommended. The recommended value should be within 15 to 25 Psi range.

Step 3: check the screens

It is important to check the water inlet screen before use.  Ensure that you flush with clean water when observed to be dirty or clogged. Don’t try to manage damaged screen rather replace with a new one and fit with a rubber washer.

Again, check the in-line screen and ensure you flush with clean water if also found dirty or clogged. Replace the in-line screen and O-ring when damaged.

Step 4: inspect the Hoses and couplings

Before each use, ensure that the high-pressure hose is properly checked. If cuts, leaks, bulging of cover, abrasions, damage or movement to couplings are detected, don’t fail to replace them. Also, ensure that the new hoses don’t exceed the maximum limit of the pressure washer.

Ensure the detergent injection tube and filter are thoroughly cleaned if dirty or clogged. Also, examine the tube for tears or leaks and the tubes are fitted properly and tightly to the barbed fitting. When any damage is detected on the tube, ensure that it is replaced before use of the pressure washer.

Examine the O-rings of the test spray wand assembly and replace them if the connectors are leaking. Before use, the nozzle orifices should be cleaned thoroughly if clogged. You may have to replace the spray wand or the adjustable nozzle if damaged.

Again, ensure you rinse out the garden hose by flushing the debris before attaching it to the pump inlet.


Step 5: flush the cleaning detergent injection system

This should be done by running clear water through the system for about 2 minutes before the engine is put to a stop. Then turn off the water supply and allow the engine to cool off.

Step 6: relieve the pressure on the entire system

This should be done by holding the spray-gun trigger while expelling the remaining water in the line. Then disconnect the garden hoses from the spray gun. Again expel water remaining from the pump by pulling the recoil handle about 6 times.

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