![]() ![]() ![]() Step 3Īfter you’ve removed the piston from the valve, clean it with kerosene or alcohol to remove any dirt. If not, the pressure washer’s engine will stall. When you turn on the pressure washer, the piston should move freely. The piston controls the valve’s pressure retention capabilities. You should be able to remove it with the screwdriver simply. The piston is secured to the valve by a nut. Remove the piston and examine it after removing the unloader valve. A screwdriver will quickly remove the metal pin. This should be a metal pin in the shape of a U that goes through the valve and bay socket. To do so, look for a retaining pin that holds the valve in place within its bay. Once you’ve found it, disconnect it using the screwdriver. This is usually found above the pump system and is distinguished by a black handle. Start by locating the unloader valve on your pressure washer. How To Fix A Pressure Washer That Dies When The Trigger Is Pulled Step 1 Even if you’re not a seasoned DIYer or mechanic, you’re likely to have all of this equipment stashed somewhere in your home.īegin by gathering the following information: The first step in repairing your washer is to gather all necessary equipment and supplies for the project. How To Prepare For A Pressure Washer That Stalls When The Trigger Is Pulled ![]() To avoid pressure build-up that causes the pressure washer to shut off, you must change the settings so that the unloader valve can send the water back to the intake. As a result, the pressure in the machine rises, causing the pressure washer to stall. The unloader valve does not allow water to detour in the loop to the intake to relieve pressure at higher settings. High-pressure settings on the unloader valve limit the engine’s capabilities when the trigger is released. Therefore, the pressure washer dies when trigger is pulled. Leakage from the oil pump is caused by faulty and deteriorating O-rings, which prevents the unloader valve from working correctly. The pressure washer turns off as a result when this back-and-forth action is stopped or interrupted. When the pressure washer is turned on, the piston travels back and forth. The piston is one of the essential elements of the unloader valve since it regulates pressure retention. Cracked O-rings, accumulated dirt in the spring, or a jammed shaft are typical unloader valve difficulties. The engine shuts off when the pressure in the pump surpasses that of the engine. When the trigger is released, it diverts the water flow into a loop to keep the pressure high. The pressure is controlled by the unloader valve, which enables high-pressure water to emerge from the nozzle. The unloader valve is the source of the majority of pressure washer issues. Here are some of the most typical causes of pressure washer dies when trigger released. 5 Reasons Why Pressure Washer Shuts Off When Trigger Is PulledĪ malfunctioning unloader valve, O-rings, pressure washer trigger, or a too-high unloader valve setting are the most common causes of a pressure washer stalling when the trigger is pushed. This problem has a simple solution that you can handle on your own. What to do when a pressure washer shuts off when trigger is pulled is one of the most commonly asked topics on DIY forums. Knowing how to repair and troubleshoot your equipment is a vital aspect of owning a pressure washer since the engine may break down at any time. This robust cleaning equipment is only helpful if it is kept in good working order. For example, the pressured water can remove graffiti, hard dirt, and debris from your fencing or the outsides of your property, in addition to removing mud and filth from your pathway. A pressure washer is a valuable and easy device to attain a high level of cleanliness outside and within the home. ![]()
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