Simpson - Portable Pressure Washers

SIMPSON 4400PSI 4GPM portable cold water

SPECIFICATIONS

• PSI: 4400

• GPM: 4.0

• Engine: SIMPSON engine with low oil shutdown

• Pump: AAA Industrial triplex plunger pump

• Pump/Hose Connection: Quick connect

• Hose: Monster Hose 3/8" x 50' steel braided hose

• Gun/Hose Connection: Quick connect

• Wand: 31" Steel with quick connect and threaded M22 connection

• Nozzles: 0 Degree, 15 Degree, 25 Degree, 40 Degree and Soap

• Frame: Heavy duty welded steel construction with steel axle frame

• Tires: 13 Premium pneumatic

This product was recently featured on https://www.facebook.com/Allpressurewashers

 

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Pressure Washer Pump

 

The Importance of Supplying Adequate Water to a Pressure Washer Pump and Preventing Premature Pump Valve Failure

When it comes to operating a pressure washer, ensuring a sufficient water supply to the pump is crucial for optimal performance and longevity. Insufficient water can lead to various issues, including decreased efficiency, increased wear, and even catastrophic pump failure. In this blog entry, we will delve into why it is essential to supply enough water to a pressure washer pump and explore effective strategies to prevent premature pump valve failure due to cavitation.

Why Adequate Water Supply is Crucial

1. Preventing Overheating

Pressure washer pumps depend on a steady flow of water to keep operating temperatures within a safe range. When there isn’t enough water, the pump can overheat due to excessive friction and inadequate cooling. Overheating can lead to thermal damage, resulting in costly repairs or even the need for a complete pump replacement.

Example:

If a pressure washer is rated for a flow rate of 4 GPM and you connect it to a water source that can only supply 2.5 GPM, the pump may overheat after just a few minutes of operation, leading to potential damage.

2. Ensuring Effective Cleaning

The cleaning effectiveness of a pressure washer is directly tied to the amount of water it can deliver. An insufficient flow reduces the pressure and cleaning power, making it challenging to remove stubborn dirt and grime from surfaces. This can render the pressure washer ineffective for its intended purpose.

Example:

Using a pressure washer to clean a driveway may result in unsatisfactory outcomes if the water supply is inadequate, leading to streaks or uncleaned areas.

3. Extending Pump Life

Adequate water supply ensures that the pump is well-lubricated and cooled, which helps to extend its lifespan. A pump that operates under optimal conditions experiences less wear and tear, ultimately reducing maintenance costs and downtime.

4. Avoiding Cavitation

Cavitation occurs when the water flow into the pump is insufficient, causing vapor bubbles to form and collapse within the pump. This bubble collapse creates shock waves that can damage internal components, particularly the valves, leading to premature pump failure.

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Annovi Reverberi:

 

Annovi Reverberi:

Replacement Pump, Advanced Technology and Durability for Pressure Washers.

Solid shaft and Direct Drive.

See more click here

Call us at: 800.333.9274

Español: 800.917.9274

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will the unloader have the pressure preset?

 

ZWD4040 Comet Pump Triplex 4 GPM 4000 PSI - includes an unloader, thermal relief valve, quick connect, chemical injector siphon hose, and garden hose inlet with stainless steel filter - 1 inch hollow shaft and universal fits Honda, Kohler and Lifan engines.

Question; When I receive my pump will the unloader have the pressure preset?

• The unloader is not set exactly. 
• The factory uses a default setting that is close to the performance of the 4000psi pump.

• It is not a dependable default setting. 
• Please always check the oil level and start the unloader in the counter-clockwise setting until you can test the system. 

• You can increase the pressure by manually turning the adjustment knob clockwise until you reach the desired load on the engine. 
• Do not exceed 4200psi. 

PDF VTR3 Unloader Click Here

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Espanol: 800.917.9274

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The unloader is on backwards which caused the failure.

• Unloader is backwards which caused the failure, This also poses a risk to the operator.

• There is no bypass 

Caution when installing a regulator, if not installed correctly it can cause valve covers to explode and damage the valves.

Phone: 800.333.9274

Español: 800.917.9274

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Water cavitation on a pressure washer

 Water cavitation on a pressure washer is the process of gas bubbles forming and collapsing inside the pump, which can damage the pump and cause premature failure. 

Cavitation occurs when the pump's inlet doesn't supply enough fluid to match the amount being discharged from the outlet. This can happen when the net positive suction head (NPSHR) needed by the pump isn't available. The NPSHA is the minimum pressure required at the suction port to prevent the liquid from boiling or evaporating. 

To prevent cavitation, you can: 

• Ensure the pressure applied at the suction port is greater than the liquid's vapor pressure 
• Match the pump specifications to the fluid and system requirements

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chemical injector is not working

 The choices are adjustable or fixed.

Then look at the threads most are threaded on both sides, Male x male are the most common.

Usually they fail when the soap is left to dry inside the mechanism. Most of the time they can be resurrected by disassembling and cleaning off the dried soap and then reassembling.

The spring inside can be easily lost when you take it apart.

It’s a good practice to rinse with clean water after each use to avoid the soap build up that dries and causes the spring, o-ring and ball to seize up. 

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