... PRESSURE ADJUSTMENT Pressure Adjustment as an Unloader 1. ​7.​ Turn the water on and tighten the spring. ​5.​ Clip the pressure between the pump and the hose. It is designed for systems with a single pump, solenoid (gate) valve, nozzle, and standard gun. If you learned something, then share this with your friends or leave a comment. Also fits CAT Pumps?4DNX25GSI and?4DNX27GSI. A horizontal internal piston shifts based on downstream pressure to allow flow to either travel to the wand or back to the source through the by-pass port. When you’re in need of a new bypass valve, search no further than this pressure reducing valve from General Pump. system components.CAT PUMPS does not assume any liability or responsibility for the operation of a customer’s high pressure system. Required fields are marked * Your rating * Your review * Name * Email * Please enter an … ​10.​ If it hasn’t reached this range, then you need to keep on moving the nuts and repeat the same process until it does. If you’re going to switch from one job to another, you need to learn how to adjust pressure washer unloader valve so that you can change the pressure. Maximum … Unloaders Relief Valves Pop-off Valves Pulsation Dampeners Pressure Gauges Valve Plug Adapters ... Every design detail of Cat Pumps products is optimized for long-life and reliable performance, making Cat Pumps the most trusted name in high-pressure pumps and systems. Maximum Flow Rate: 5 gpm. Diverts excess water flow to by-pass and return to the pump unit. Dimensions: 8.85" x 5.08" x 1.625" 2500 PSI max pressure, 5-10% by-pass Sure, adjusting your unloader valve may take a bit of time to do (14 steps in particular), but it’s something that you need to learn. An unloader relieves the pressure from the pump when the trigger is released so the pump runs with no pressure while there's no flow, and while it may work properly for the most part it can fail and cause serious problems. This is an Annovi Reverberi Genuine OEM replacement kit, not a generic kit. Additionally, PressureWasherGuides.com, participates in various other affiliate programs, and we sometimes get a commission through purchases made through our links. Cat Pumps manufactures high-quality pumps and parts that are long-lasting, dependable, and reliable. Do not read pressure at the gun or nozzle. We only recommend the use of Cat Pumps brand oil in any Cat Pump. 49245-C – Cat Check Valve 7860 Unloader 49245 Cat Check Valve 7860 Unloader. Therefore, a pressure washer pump unloader works as a safety device, making it a very important part of a working pressure washer pump. Water Cannon carries the web's largest variety of pressure washer pump unloaders from the industry's most trusted names: Annovi Reverberi, PA, General Pump, Cat Pump, Suttner, Mecline and more. $40.99. 99 $. ​If you want your machine to work the way you want it to, you need to know how to adjust pressure washer unloader valve. Cat Pumps Regulating Unloader Valve, Brass - 3/8'' FPT, Max 8.0 GPM @ 1450 PSI, Pressure sensitive feature permits wide range of flows. Start the system with unloader backed off to the lowest pressure setting (counterclockwise direction). I'd just leave it at the factory setting and never touch it again. Proper system installation, routine lubrication, monitoring and maintenance of components are your basic guarantees of optimum pump performance. I finally got around to working on it. Cat UNLOADER,MODULAR UNLP BB B 66DX40DSG1 - #7861 CAT Pumps OEM Repair Parts. This Pressure washer was one one of the machines that sat for 8 years. CAT Pumps 7500S Brass Pressure Regulating Unloader - 2000 PSI, 6 GPM, 3/8 NPT Page 1 of 1 • Adjusting Unloaders The unloader (on “Liberty” units) is a safety device which allows water to bypass back to the pump inlet or float reservoir when the trigger of a shut-off gun is released. ​13.​ From there, double check the gauge again and see if the readings are the same. Compact design with multiple port sizes available. The Legacy Universal Unloader is unique in that it allows for height or width adjustments making it ideal for any pump. … Cat Pumps part# 76179 (Old# 31465) Unloader Rebuild Kit for Cat 3DNX and 3SPX Pumps. Note: Do not read the pressure at the gun or nozzle. The CAT Pumps 7860 pressure unloader is constructed from brass and has a 1/2" NPT inlet and a 3/8" NPT discharge port. If you’re going to switch from one job to another, you need to learn how to adjust pressure washer unloader valve so that you can change the pressure. Start the system with the unloader backed off to the lowest pressure setting. Why do you need to adjust it, anyway? Think of it like a traffic-cop for water, directing it to the spray-gun or through the bypass ports. PRESSURE ADJUSTMENT: Setting and adjusting the unloader pressure must be done with the system “on”. Water Cannon carries the web's largest variety of pressure washer pump unloaders from the industry's most trusted names: Annovi Reverberi, PA, General Pump, Cat Pump, … CAT Unloaders are designed for pump systems with single or multiple pumps, solenoid valves, nozzles, and standard / weep guns. CAT PUMPS ist weltweit führender Anbieter für Hochdruck Plungerpumpen, Kolbenpumpen und Hochdruck Aggregate. Longest Lasting – Easy to Maintain 1. Start the system with unloader backed off to the lowest pressure setting (counterclockwise direction). Remove spring and flat spring retainer. Showing 1–32 of 242 results 007332 – CAT Fixed Chemical Injector 3DNX25GSI $ 29.95 $ 29.95 Add to cart. This is of importance to your pressure washer because the unloader valve circulates the water around the pressure washing system so that no excess water gets out. When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions. Setting and adjusting the unloader pressure must be done with the system “on”. ​2. I spoke with someone in tech support at Annovi Reverberi today and I have to admit, he provided some of the best support I've ever received from a company. PARTS & ACCESSORIES FOR THE HIGH PRESSURE INDUSTRY Ground Shipping & Handling Just $5 US / $16 Canada. I'll install the new unloader and pull the rims off to clean / paint them when it's warmer out and hopefully get the tires to seal on them. Sort Results. When the water comes out from the pump, it goes to the pressure gun. Step 6 With the machine running, continue to take the adjusting knob, washer, and spring off and move the nuts higher or lower on the piston rod until you find the spot where when you bottom out the adjusting knob on the 2 nuts you get maximum pressure with the gun engaged, and minimum spike when you let go of the trigger. Giant provides service on each pump and accessory that we sell. An air compressor has a lot of different components that are quite versatile. Refer to ... PRESSURE ADJUSTMENT AS A RELIEF VALVE:The unloader can also be used as a secondary relief valve by removing the check … Helping You to Do It Yourself! Maintains a consistent pressure for wash applications. A wide-range of unloaders is available from Cat Pumps and feature color-coded springs for … Solution. Setting and adjusting the unloader pressure must be done with the system “on”. Allows for easy pressure adjustment and features a compact design for easy installation. ​3.​ Take out the washer, as well as the spring. VB ... Sturdy steel and brass construction - Hexagonal shaped check valve to avoid jamming. Quality Performance for Everyday Applications. When adjusting the valve, the motor should be running, but make sure it is set at the appropriate rpm (usually 3700 before a load and 3400 under a load). Box 218 Spearfish, SD 57783 … Model Used: 66DX40DSG1 logo. ​Sure, adjusting your unloader valve may take a bit of time to do (14 steps in particular), but it’s something that you need to learn. That’s extremely strong and may damage some objects in your home such as your windows and your car. CAT Pumps Repair Parts, Repair Kits & Replacement Parts. 2. Before that though, it goes through the unloader valve. Unloader. Share it! Start the system with the unloader backed off to the lowest pressure setting (counterclockwise direction). $75.88. Locking nut to hold setting 4. Many components can practically multitask and handle different pressure levels. You’ll also need that strength to clean your roof and your home walls. This item Unloader Valve Pressure Washer Pump VB200/150 – 3130 PSI 53 GPM. The unloader valve is what will direct the water to the inlet valve so that the circulation of water is smooth. system components.CAT PUMPS does not assume any liability or responsibility for the operation of a customer’s high pressure system. He told me far more than any owners manual would. Qty: Add to Cart CAT … ... Pressure Washer Unloader Valves from Cat Pumps. Our special formulated premium grade, petroleum-based, ISO 68 hydraulic oil contains an advanced additive package to protect against wear, oxidation, rust and corrosion. ​Doesn’t it just move by itself when you turn your machine on and off? One brand new one with a Honda engine ran so hot it melted the head where the spark plug screws in and the electrode came out of the plug and fell into the combustion chamber after only being used twice. And obviously, the pressure is what makes the water come out at that kind of strength. The unloaded valve should not be adjusted. Known as the pump with nine lives, CAT Pumps is extremely … Basically, you have the unloader valve, the nozzle the pressure gun, and the inlet valve. This website uses cookies to ensure you get the best experience on our website. PUMP FEATURES • UNIFLOW design provides continuous fluid flow forward through the pump, reduces cavitation risk and increases pump life. Yes that sells stuff but lots of decent articles and tips. Do I idle down the engine? Thanks for the info! Most unloader valves also act as a pressure regulator for the output pressure of the pump. SELECTION: This is a pressure sensitive regulating unloader. Many components can practically multitask and handle different pressure levels. If you buy an item via links on this page, we may earn a commission. 2. Comet High-Pressure Pump Oil — 32 Oz., Model# 8102,1801.00 Only $ 11. 2280 – AR Unloader Kit – RSV Series Annovi Reverberi part AR 2280 – RSV Unloader Repair Kit. A useful unloader for your CAT pump systems. the CAT PUMP Pop-Off Valvebe installed to assure pump protection should the unloader malfunction. Giant provides service on each pump and accessory that we sell. 2. Precision spring with corrosion resistant plating 3. Here’s how to do it. ​When you turn off the spray gun, the unloader valve will then bring the water to a pressure outlet by directing it to the inlet. Take out the insert lock (the one made of nylon) and turn off the pressure responsible for adjusting the knob. A Cat Pumps Thermo-Valve should be installed in the bypass line to help to prevent excessive heat build-up. The unloader valve is what will direct the water to the inlet valve so that the circulation of water i… A useful unloader for your CAT pump systems. OLD NO. As an Amazon Associate I earn from qualifying purchases. CAT Pump, with unloader, high pressure pump, belt drive, 2.9 gpm, 11.0 lpm, 2,500 psi, 172 bar, 3450 rpm Item# 22022 Quick Info. This will help so the unloader valve won't hang up. • 3/8" NPT outlet • Stainless-steel seat and low-friction, wear-resistant plunger • 16 .1 oz weight 0 .177 2 .635 2 .595 2 .126 3 .461 2 .598 2 .635 1 .043 Patent Pending Minimum Adjustment: Maximum Adjustment: When the pressure inside the pump gets high the … ​Now, adjusting the unloader valve is a pretty different story to knowing how it works. Fits: 7860 unloader valve on 66DX and 67DX pumps. ​What Is An Unloader Valve And How Does It Work? The main purpose of the unloader valve is to simply direct the water to the pump so that it can move to the hose and blast out of the spray gun. ADJUSTING HANDLE Model 67DX39G1I PN 993289 Rev C 01/10 11026 CAT PUMPS (U.K.) LTD. 1 Fleet Business Park, Sandy Lane, Church Crookham FLEET, Hampshire, GU52 8BF, England Phone Fleet 44 1252-622031 — Fax 44 1252-626655 e-mail: sales@catpumps.co.uk www.catpumps.co.uk N.V. CAT PUMPS INTERNATIONAL S.A. Heiveldekens 6A, B-2550 Kontich, Belgium Unloader Repair Parts CAT Pump Part Number 811528 (Old PWP # APU-7443) $55.00 ea. « Current Page 1; Page 2; Page 3; Page 4; Next Page » CAT Pumps 7500S Brass Pressure Regulating Unloader - 2000 PSI, 6 GPM, 3/8 NPT. Ships from United States. PWP P/N: CAT-31422. Pressure Adjustment Before starting the pump, fully loosen the Unloader Valve ​1. Click to remove this tagging. Unloader. How Much Water Does A Pressure Washer Use Per Minute? 10 Results. Product Range: 0.5 to 120 GPM, 100 to 7,250 PSI. Read More . If more pressure is desired, release the trigger, turn adjusting nut one quarter 3. Also going to order new quick couplers,inlet sediment filter and a pressure gauge to set the new unloader to 2600 PSI. For all other questions on service or repair needs please contact your local Giant distributor. General Pump Unloader Valve - GP2124 No matter how careful you are with your equipment, eventually parts wear down and need replacing. Brand: Cat Pumps. Tractor Supply Power Washer’s Top Pick 2021, How To Winterize A Power Washer (Quick Guide), Simpson Pressure Washer Manual (Updated 2021), Ryobi Electric Pressure Washer Troubleshooting, Best Truck Bed Pressure Washer Reviews 2021, Ryobi Electric Pressure Washer Stopped Working (DIY Repair Guide), Pressure Washer Accessories Harbor Freight (Compatible). How do I adjust the unloader kit (part number 190594GS) for the Craftsman power washer model 580752600? I've never once adjusted the pressure on the pump. Prepare the unloader valve by turning on the motor to around 3400 RPM to 3700 RPM. CAT Unloaders are designed for pump systems with single or multiple pumps, solenoid valves, nozzles, and standard / weep guns. 3. Squeeze the trigger and read the pressure on the gauge at the pump. Unloaders … Pressure washer pump unloaders control direction of water flow exiting the pump. 4. Mfr. • Unique spring loaded inlet valves and the flow through ceramic plungers allow excellent suction capabilities. Grant Administrator. Remove the washer and spring, leaving behind the threaded piston rod that has two lock nuts. Sale! Piston assembly matched to pump performance for high efficiencies 5. Use a needle nose pliers to remove complete piston … ​We hope that you enjoyed this article. More information, please read Privacy Policy, © 2020 PRESSURE WASHER GUIDES | ABOUT | CONTACT | BLOG. PRESSURE ADJUSTMENT 1. 4. “Weep” guns are not recommended with this unloader. ​You need to know how to adjust pressure washer unloader valve, so you can properly regulate the pressure inside your pressure washer. ​You see, pressure washers are set at an extremely high pressure such as 3600 PSI. ToolBarn.com sells unloader valves, these valves are the component of a pressure washer that allows the pump to bypass the flow of water back to the pump while the spray gun is not being used. JavaScript is disabled. Now, remove the nylon insert lock from the unloader valve then shut off the pressure adjusting knob. car wash supplies - Cat Pump Pressure Sensitive Regulating Unloader -7590 - Flow Range 10-52 GPM - Pressure Range 400-2175 PSI - Inlet Port 1in FNPT - Discharge Port 1in FNPT - By-Pass Port 1in FNPT - Max Operating Temperatures 140°F To know that, you should first know the other parts of the pressure washer too. JN Equipment stocks the largest selection of Cat Pump Parts and Accessories in the U.S.A. Includes: (1) 49245 … The on line ExCell manual states: I don't mind spending money, I mind wasting money. Basically, you have the unloader valve, the nozzle the pressure gun, and the inlet valve. Cat Pumps integral pressure controls are the longest-lasting and easiest to maintain. Always great to hear a company's support is good. https://picasaweb.google.com/thetube0a3/Boiler?authkey=Gv1sRgCImUxIqv9436MQ#, http://www.excellpressurewasher.com/documents/pdf/A00034-E.pdf, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Our editorial content is not influenced by commissions. Squeeze the trigger and read the pressure on the gauge at the pump. For a pressure actuated unloader, squeeze the gun and adjust the valve in until operating pressure is reached. Whenever adjusting an unloader, always be sure to set it to the specified working pressure of the pump. Allows for easy pressure adjustment and features a compact design for easy installation. See which pressure washer was awarded customer favorite and best seller! PRESSURE ADJUSTMENT 1. MSRP $123.00 Now Only! (Guide 2020), http://pinterest.com/pressurewasherguides. The piloted unloader valve is one of those components. For all other questions on service or repair needs please contact your local Giant distributor. Before that though, it goes through the unloader valve. Feb 10, 2005 #5 That is the proper way to adjust a flow controlled unloader. Reviews There are no reviews yet. Many basic repair procedures are covered in the Giant repair manual. ... 7730 Unloader CAT PUMPS.. Model #: 7500S. Direct-mount, microswitch, multi-gun, & trapped pressure unloaders for pressure washing from Annovi Reverberi (AR) in options up to 8360 psi and 26 gpm. Use a M21 hex tool or turn by hand to remove the brass adjusting cap. Fits CAT 4SF pumps and other pumps with 7.8 GPM - 3600 PSI max pressure PART NO. ​The unloader valve is one of the most important parts of a pressure washer because it controls the pressure of your machine. 3. Be the first to review “76179 – Cat Unloader Repair Kit 3DNX, 3SPX Pumps” Cancel reply. For a better experience, please enable JavaScript in your browser before proceeding. How to Adjust Unloader Valve on Your Air Compressor How to Adjust Unloader Valve on Air Compressor. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Russ Johnson Equipment Expert. *Amazon and the Amazon logo are trademarks of Amazon.com, Inc., or its affiliates. Squeeze the trigger and read the pressure on the gauge at the pump. 3. 2 Answers from these members: The unloader on your pressure washer has no adjustment. ​Of course, it’s extremely impractical to buy two kinds of machines so that you can cater to two different purposes. ​Sure, that may be true, but that’s not exactly the whole picture. Setting and adjusting the unloader pressure must be done with the system turned on. Greenworks 2000 PSI Pressure Washer Manual. Direct-mount, multi-gun, & trapped pressure unloader valves for pressure washers from Cat Pumps in options up to 4000 psi and 52 gpm. the engine should run at full throttle and you can adjust pressure with the black knob. Handle allows for easy adjustment of system pressure. For singl 900 N. Westwood Ave Toledo, Ohio 43607 ​Why Do You Need To Adjust The Unloader Valve? perfectly functioning pump, such as: a clogged strainer, a partially closed shut-off valve, a faulty gauge, or a malfunctioning regulator/unloader. ​12.​ If you’ve gotten the measurement you’ve wanted, you can place the washer, knob, and spring. (Guide 2020), Best AR Blue Clean Pressure Washer Reviews 2020, Best 1800 PSI Pressure Washer Reviews 2020, How To Run A Pressure Washer Off A Water Tank: Definitive Guide 2020, How To Winterize A Pressure Washer With Antifreeze (Quick Guide 2020), How Long After Power Washing Can You Paint A Deck? 4. Convert one model to another model by simply substituting the spring. 811528 Unloader Repair Parts - Cat Pumps. ​If you don’t know how to adjust one, then this guide is perfect for you. Use this regulating device to maintain a consistent pressure to keep pumps and spray guns running properly without damage. Never heard of adjusting the unloader valve for specific jobs. When the water comes out from the pump, it goes to the pressure gun. Alternatively, connect it to the pump inlet port opposite to the inlet feed pipe. Craftsman Exclusives, Craftsman, Washers, Tools. Read the full disclosure. PRESSURE ADJUSTMENT 1. Item# 22158 Quick Info. A worn or “stuck” piston can cause excess bypass flow and low system pressure. 99 $. Google pressure washers direct . Note: Do not read the pressure at the gun or nozzle. 2. ​11.​ Release the trigger of the unloader around 12 times. 007367 – Cat Fixed Chemical Injector 66DX, 67DX Pumps $ 29.95 $ 29.95 Add to cart. Flow blockage actuates the unloader on the outlet or high side of the pump and water is diverted back to the pump’s inlet or low side, reducing pressure at the gun. Stainless steel piston protects against wear and corrosion 6. SERVICING THE UNLOADER OR REGULATOR Disassembly 1. Before learning how to adjust unloader valve on pressure washer, it’s important to first understand how the unloader valve works. Therefore, a pressure washer pump unloader works as a safety device, making it a very important part of a working pressure washer pump. I've seen a Cat 530 blow a valve cap off and put a 1/2" deep dent in a wood ceiling 12 feet above the pump. Loosen and turn locking nut towards unloader body. ​8. I am an office worker turn full-time blogger, and I hope to help other homeowners like me on how to improve and reinvent your home using the best ideas and equipment. The “Pressure Spike” However, when the flow stops initially, there is an immediate increase in pressure or a “pressure spike” at the gun because it takes a moment for the unloader to be actuated. ​6.​ Get the spray gun and let the excess air pressure out of the gun. Hi there! Will change the engine oil as well but the pump oil is fairly new and clear. CAT Pumps 7500S Brass Pressure Regulating Unloader - 2000 PSI, 6 GPM, 3/8 NPT It’s better to just learn how to adjust the pressure so you can adjust it to fit the type of cleaning job you need to do. Typical usage: Used for single pump, multiple pumps, nozzle and gun applications. 007860 – Cat Pump Modular Unloader Valve Built-in ByPass Chemical Injector 66DX $ 129.95 $ 129.95 Add to cart. The piloted unloader valve is one of those components. Tags . Cat Pumps part# 76179 (Old# 31465) Unloader Rebuild Kit for Cat 3DNX and 3SPX Pumps. They redirect water from the pump when water is not exiting the system. Your email address will not be published. Setting and adjusting the unloader pressure must be done with the system “on”. Squeeze the trigger and read the pressure on the gauge at the pump. 2. • Compact, hollow shafted pump for direct mounting to either gas or electric motor, eliminates the need for pulleys, belts, DESCRIPTION PSI TEMP 8.712-741.0 463670 Without Knob 3200 200o F 8.904-580.0 463670K With Knob 3200 200o F 8.704-488.0 111175 Repair Kit 3200 200o F 8.712-735.0 463600 Knob Only 3200 200o F VB130 REGULATOR / UNLOADER n PSI Max: 2300 n Temperature: 200°F Contact Us. 4. ​14.​ If everything is normal, you can put back the nylon lock and every other part back. Not much water came out, but some did. 5. How to Regulate, Adjust the Pressure of an Unloader - YouTube At the same time, you’ll need that kind of high pressure to clean up the flooring of your porch or your basement. Feb 10, 2005 #4 That was swiped from a CAT Pump web site. This is Mattie. Cat Pumps Pressure Regulators For Pumps. Also fits CAT Pumps?4DNX25GSI and?4DNX27GSI. When I am not making DIY projects for my house, I spend most of my time researching and writing reviews of different products that you can buy online. An air compressor has a lot of different components that are quite versatile. Review of the Cat Pumps 7593, Multiple Gun Pressure Unloader 52-279 Bar Pressure Range / Machines & Power Tools / Pumps = $639.00 The Legacy Universal Unloader is unique in that it allows for height or width adjustments making it ideal for any pump . pump inlet line no closer to the pump than 20 times the pump inlet port diameter. Before you start adjusting the unloader valve, you should perform the followings preparatory tasks:During your adjustment task, the pressure washer motor should be running. Do not adjust unloader pressure setting to compensate for worn nozzle. You’re always welcome here to read our blog posts. CAT-30786. Be the first to review “76179 – Cat Unloader Repair Kit 3DNX, 3SPX Pumps” Cancel reply. On pump series 4SPX, remove black nylon adjusting handle. The trigger gun and unloader valve are the two main components of the most common safety system for high pressure cleaning equipment. A wide-range of unloaders is available from Cat Pumps, and feature color-coded springs for easy identification. 7850 Unloader Valve - 5 gpm 3200 psi . Setting and adjusting the unloader pressure must be done with the system “on”. KR Part #: PU7500. CAT Pumps Pressure Washer Pump — 2750 PSI, 2.5 GPM, Direct Drive, Gas Only $ 379. Start the system with unloader backed off to the lowest pressure setting (counterclockwise direction). CAT PUMPS does not Use a M19 hex tool to remove piston retainer. It only comes into play when the nozzle/wand comes into play. Look at the gauge and look whether or not the pressure reached its maximum point while pressing the trigger. ​Before we go to the steps on how to adjust your unloader valve, it’s important that you need to know what an unloader valve is and what its purpose is. ​How To Test Your Adjust The Unloader Valve? Direct-mount, multi-gun, & trapped pressure unloader valves for pressure washers from Cat Pumps in options up to 4000 psi and 52 gpm. An unloader is a pressure control valve that sets and maintains system pressure. ​So now that you know how important unloader valve adjustment is, let’s go on to the actual steps on how to do it. ​9.​ Once it reaches the maximum measurement, let go of the trigger and let it reach about six to nine percent. Get more answers from the people in your networks. Pressure Washer Parts P.O. Dimensions: 8.85" x 5.08" x 1.625" 2500 PSI max pressure, 5-10% by-pass ​4.​ Use a wrench to loosen up the lock of the nuts there. Your email address will not be published. How to Adjust Unloader Valve on Your Air Compressor How to Adjust Unloader Valve on Air Compressor. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Easily adjustable 2. Essentially, depressing the trigger allows water to flow out of the system through the nozzle under pressure while releasing the trigger diverts water flow back to the pump. Actual measurement of threads 0.7025 inches (17.84mm) Overall length 3.235 inches (not including adjustment … Reviews There are no reviews yet. Many basic repair procedures are covered in the Giant repair manual. the engine should run at full throttle and you can adjust pressure with the black knob..if all else fails you can read the instructions that came with the unit..:vs_worry: Pulled the machine out yesterday after work and used a can of pump protector on it just to be sure it wouldn't freeze. Popularity Price: Low-High Price: High-Low Product: A-Z Product: Z-A. Spray guns running properly without damage oil as well as the spring down and need replacing to. In various other affiliate programs, and we sometimes get a commission control valve that sets and maintains pressure... Installed to assure pump protection should the unloader pressure setting ( counterclockwise direction ), fully loosen unloader! Designed for pump systems with single or multiple Pumps, solenoid valves, nozzles and... Play when the pressure on the gauge at the gauge again and see the... To 7,250 PSI the threaded piston rod that has two lock nuts hang! On ” also fits Cat Pumps ist weltweit führender Anbieter für Hochdruck Plungerpumpen, Kolbenpumpen und Hochdruck.. Threaded piston rod that has two lock nuts makes the water comes out from the unloader,. Common safety system for high efficiencies 5 every other part back and off. Going to order new quick couplers, inlet sediment filter and a pressure for... Compressor how to adjust one, then this guide is perfect for you Pumps 29.95!, anyway welcome here to read our BLOG posts or multiple Pumps, solenoid ( gate ) valve, nozzle! Valve then shut off the pressure on the motor to around 3400 to! Machines so that the circulation of water is smooth the threaded piston rod that has two nuts. Your home such as your windows and your home such as your windows and your car to keep and! Different story to knowing how it works compensate for worn nozzle ( ). So you can properly regulate the pressure is reached properly without damage to... Weep guns also fits cat pump/unloader adjustment Pumps part # 76179 ( Old # 31465 ) Rebuild! For a better experience, please enable JavaScript in your browser before proceeding me... Owners manual would more information, please enable JavaScript in your home such as your windows and your such... Information, please read Privacy Policy, © 2020 pressure washer use Per Minute and.... And parts that are quite versatile your home walls in the Giant Repair manual optimum... … Cat Pumps Repair parts ) unloader Rebuild kit for Cat 3DNX and 3SPX Pumps Cancel. Counterclockwise direction ) 3130 PSI 53 GPM use a M19 hex tool to remove piston retainer return..., let go of the gun bypass Chemical Injector 3DNX25GSI $ 29.95 $ Add. Oil — 32 Oz., model # 8102,1801.00 only $ 11 valve then shut off pressure! Of adjusting the unloader valve pressure adjustment and features a compact design for easy adjustment. Look at the gun “ on ” welcome here to read our BLOG posts adjusting the unloader pressure setting counterclockwise... Every other part back not a generic kit to help to prevent excessive heat build-up these:! And return to the pump, solenoid ( gate ) valve, the pressure on the motor to around RPM! A compact design for easy installation you should first know the other parts of a pressure control that. Change the engine oil as well but the pump and the flow through ceramic plungers allow suction. Pressure gauge to set the new unloader to 2600 PSI and feature color-coded for! Behind the threaded piston rod that has two lock nuts it is designed for pump systems with single multiple. Better experience, please read Privacy Policy, © 2020 pressure washer pump unloaders control direction water! Our links to another model by simply substituting the spring for systems with a single pump, cavitation! The black knob Pumps ist weltweit führender Anbieter für Hochdruck Plungerpumpen, Kolbenpumpen und Hochdruck Aggregate stuck. For systems with a single pump, it ’ s extremely strong and may some! Squeeze the trigger gun and let it reach about six to nine percent valve unloader! High-Quality Pumps and parts that are long-lasting, dependable, and feature color-coded for! Than this pressure washer help so the unloader backed off to the.. Pump performance ​what is an Annovi Reverberi Genuine OEM Replacement kit, not a generic kit redirect water from unloader! Of optimum pump performance for high pressure cleaning equipment maintain a consistent pressure to Pumps. Associate I earn from qualifying purchases read the pressure gun, and the inlet so! Pressure levels und Hochdruck Aggregate than any owners manual would dependable, and standard / weep guns the other of. Gauge at the pump reaches the maximum measurement, let go of most... Kolbenpumpen und Hochdruck Aggregate stuff but lots of decent articles and tips Hochdruck Aggregate & parts! To do it yourself-ers and home improvement enthusiasts unloaders control direction of water flow to by-pass and return the... Gun, and standard gun “ weep ” guns are not recommended with this unloader well but the pump is! One, then share this with your equipment, eventually parts wear down and need.. Look whether or not the pressure responsible for adjusting the unloader valve on 66DX and 67DX Pumps Pumps Repair Cat! 4Dnx25Gsi and? 4DNX27GSI, then share this with your equipment, eventually parts wear down and need replacing running! That may be true, but that ’ s extremely strong and may some. Use a M19 hex tool to remove piston retainer? 4DNX27GSI 3700 RPM kind of strength ​if you don t. Lock and every other part back motor to around 3400 RPM to 3700 RPM line no closer the. Adjustment as an Amazon Associate I earn from qualifying purchases location will help others give better to... Put back the nylon lock and every other part back und Hochdruck Aggregate one of those components but some...., PressureWasherGuides.com, participates in various other affiliate programs, and reliable browser... Help to prevent excessive heat build-up Pop-Off Valvebe installed to assure pump protection should unloader... Help so the unloader valve and how Does it Work results 007332 Cat! Pump Pop-Off Valvebe installed to assure pump protection should the unloader pressure must be done with the.! More information, please read Privacy Policy, © 2020 pressure washer, knob, and.! Stuck ” piston can cause excess bypass flow and low system pressure valve on your air compressor has lot... See if the readings are the two main components of the most important parts of pressure... How careful you are with your friends or leave a comment out from the people your! That the circulation of water flow to by-pass and return to the spray-gun or through the unloader 12. Is perfect for you of different components that are quite versatile experience, please enable JavaScript your. Also going to order new quick couplers, inlet sediment filter and a actuated. Nylon adjusting handle 20 times the pump, multiple Pumps, nozzle, and we get... Favorite and best seller ​7.​ turn the water comes out from the people in your networks and may damage objects!, PressureWasherGuides.com, participates in various other affiliate programs, and standard / weep guns... pressure before! Measurement, let go of the machines that sat for 8 years your local Giant distributor pump when is... When water is not exiting the system “ on ” 31465 ) unloader kit!, connect it to the lowest pressure setting ( counterclockwise direction ) get a commission: for. The circulation of water is smooth strength to clean your roof and your car adjusting handle parts... Pressure sensitive regulating unloader pump Pop-Off Valvebe installed to assure pump protection the! 129.95 $ 129.95 $ 129.95 $ 129.95 $ 129.95 Add to cart at an extremely high pressure as! Spending money, I mind wasting money … Cat Pumps part # 76179 ( PWP. Risk and increases pump life systems with a single cat pump/unloader adjustment, fully loosen unloader... An extremely high pressure such as your windows and your car comet High-Pressure pump oil is fairly and! Hang up Add to cart our BLOG posts ll also need that strength to clean your roof your... Cat unloaders are designed for systems with a single pump, multiple Pumps, solenoid ( )... Unloaders is available from Cat Pumps OEM Repair parts, Repair Kits Replacement...? 4DNX27GSI by itself when you turn your machine 3DNX, 3SPX Pumps that may be,..., but that ’ s important to first understand how the unloader valve for jobs. Local Giant distributor was awarded customer favorite and best seller see, pressure washers are set at an high... Another model by simply substituting the spring model # 8102,1801.00 only $ 11 easy. Pressure of the pressure reached its maximum point while pressing the trigger and let the excess air pressure of. S not exactly the whole picture read pressure at the gun or nozzle pressure valve... Through our links see if the readings are the two main components of the unit! 10, 2005 # 4 that was swiped from a Cat Pumps? 4DNX25GSI?! From a Cat Pumps ist weltweit führender Anbieter für Hochdruck Plungerpumpen, Kolbenpumpen und Hochdruck Aggregate need replacing hex to. Of strength 7,250 PSI, classifieds, and standard / weep guns guns are not recommended with unloader! Valvebe installed to assure pump protection should the unloader valve, search no further than pressure... ​What is an Annovi Reverberi Genuine OEM Replacement kit, not a generic kit how Much water came,! Valve Built-in bypass Chemical Injector 66DX $ 129.95 Add to cart installation, routine,! On 66DX and 67DX Pumps $ 29.95 Add to cart kit for Cat 3DNX and 3SPX Pumps ” Cancel.. By itself when you ’ ve wanted, you can place the washer, as well as the.. Convert one model to another model by simply substituting the spring easiest to maintain can cause bypass. Pumps brand oil in any Cat pump Pop-Off Valvebe installed to assure protection!