Equipment Preventative Maintenance




pressure washers






electric washers



Regular inspection and maintenance of your system is the best defense against equipment failure and costly downtime. Additionally, the high voltages, high-pressure sprays and other energy sources associated with high-pressure wash systems can create safety hazards. Simple checks, performed by the operator of the equipment or maintenance personnel on a regular basis, will help to ensure safe operation and that the system's maximum performance and life cycle is achieved. The guidelines below pertain to the basic system and components only. Further consideration should be given to optional accessories when included.

Daily Maintenance should include the following:

  • Check that all water supply and high pressure discharge hoses as well as all power cords do not create an obstruction that may cause anyone to trip or fall
  • Check that all controls, switches and disconnects are readily accessible and can be reached quickly in case of emergency
  • Check inlet water supply valves and hoses for signs of leakage and correct where needed
  • Check inlet water supply hose for kinks or other forms of restriction that can interrupt proper flow in to the system
  • Check that all electrical cords and wires are properly secured / connected and do not pose a potential hazard for electrocution All electrical supply and motor connections must include a ground wire
  • Check that the area around the unit is clear and dry
  • Check that all moving parts such as belts, pulleys, motor fans etc. are clear of debris that could become entangled or otherwise come in contact with them
  • Check the pump oil sight glass or dipstick for the correct oil level and signs of contaminants (water or metallic particles)
  • Untangle the high pressure hose if needed
  • Check the hose for nicks, cuts and abrasions that can lead to leaks
  • Check that the nozzle is clear of debris and operates correctly
  • Check for adequate water to the unit
  • Check that the Chemical tank is full
  • Check that the Chemical tube is clear and in the tank

Weekly Maintenance should include the following:

  • Check and clean inlet filters and screens
  • Check and clean the chemical filter / screen
  • Check for signs of water and / or oil leaking around the pump

Monthly Maintenance should include the following:

  • Update your record of inspections, problems or any potential problems
  • Check for any oil leaks at the crankcase, crankshaft or piston seals
  • Check controls are working within specifications

Quarterly Maintenance should include the following:

  • Change the pump oil every 3 months or 500 hours of use, whichever occurs first
  • Check the inlet and discharge valve assemblies and o-rings should be checked or changed every 3 months



See the system requirements for those All Electric Pressure Washers.

Back to the pressure washers specifications.

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