When I have the water running the pump goes on and after few second and stop and go again. Then added 1 more turn. Problem solved. Apr 2, 2017. Turn both adjustment nuts counter-clockwise until you reach desired PSI for your pump. After replacing several 5.7 pumps under warranty because of pressure surging,the Shurflo rep at Redmond told me to try adjusting the pressure switch at the screw in the middle of the bottom of the pump. Step 3. Mostly, they had problems with the pumps when the faucets were open. How do you adjust the pressure on a SHURFLO pump? Adjusting Shurflo On-Demand Pump - KleenRite Video 30,405 views May 1, 2015 64 Dislike Share Save MASON WHEELER 15 subscribers Instruction video on how to Be careful not to turn it too far, or you may damage the pump. [such as SHURflo 255 series strainers]. Fully automatic, it is energy efficient and can even run dry without damage. The Shurflo feed pumps are equipped with a high pressure cut out switch (EL-FP-PS). Problem solved. pump life. Shurflo offers various pump models for different applications. MARINE FRESH WATER PUMP MODEL SERIES 4128 2.0 GPM AND 4138 3.0 GPM FLOW MANAGEMENT SOLUTIONS 911-1052 REV. *Adjustment procedures can result in high pressures and should be performed by qualified personnel only. SHURflo takes no liability for any problems arising from any switch adjustment or product modification. Turn this knob to adjust the pressure. A Description Form 911-396 Automatic-Demand Pumps / 12 VDC These SHURflo 2088 Series diaphragm pumps deliver reliable performance in high flow, moderate pressure applications. And an internal 'bypass' that opens/closes based on pump discharge pressure. Pump is designed for intermittent duty only: Do not use these pumps for running a Reverse-Osmosis [RO] Filtration Pour the water into the hose at this point. #2. Improper adjustment of the pressure switch and by-pass, may cause severe overload or premature failure. Installed a new water pump but having hard time to adjust it. So, I just joined hoping someone can offer advice. Turn the Allen screw clockwise to increase the 2088 Agricultural Series Pumps Installation, Operation, Repair and Parts Manual 6/11, Rev. SHURflo Industrial Diaphragm Water Pump - 198 GPH, 1/2in. Apr 29, 2017 #5 N. nseaver If you have a Shurflo pump I can make a PDF copy of my manual that has the adjustment proceedure with a picture of the location of the adjustment screw location. Thermally protected are the 3/8" barb components ensuring that no heat damage SHURflos New Revolution fresh water pump design was created with a unique one-piece diaphragm and internal by-pass, assuring long life and top performance in all plumbing systems. Pressure switch problem on a shurflo Pump 40,569 views Mar 23, 2016 42 Dislike Share Save Mark Munro 2.61K subscribers A temporary fix if your pressure switch goes while you Goes through this on off cycle till I shut off Shurflo 4008 water pump sputtering: 1bigmess: RV Systems & Appliances: 2: 08-15-2015 11:53 PM Recent Discussions: 2020 Thor Omni SV34. Turn the small nuts to adjust the on and off PSI. Make sure that the pump is turned off and disconnected from the power source. Shurflo Trail King Water Pump. The SHURflo 8005-733-255 Demand Pump is ideal in applications that require high pressure and a flow rate of 1.5 GPM. SHURFLO 4028-100-E54 Revolution Pump-2.3 Gpm, 12 Vdc SHURFLOs New Revolution Fresh water pump design was created with a unique one-piece diaphragm and internal by-pass, assuring long life and top performance in all plumbing systems Designed as the next legendary pump to exceed the expectations of our customers, the Revolution pump is There was a noticable change in pump noise. Pump ; Product Description . These are normally adjusted and tested before they are shipped but you could have rec. *Adjustment procedures can result in high pressures and should be performed by qualified personnel only. I carry a spare pump since with the RO system we NEVER use city water. 16,454 views Dec 3, 2019 Crazy Marty Shurflo 4008-101-A65 repair and problem. The by-pass is set to begin opening at about 40 psi and creating full by-pass at about 62 psi (lower pressure pumps Bench Testing Shurflo 2088 - Adjusting Pressure Switch 55,071 views Jul 23, 2013 Bench Testing Shurflo 2088 - Adjusting Pressure Switch. Location: East Sussex. Smaller ID plumbing will cause cavitation, high backpressure, low flow and noise. This No need for an accumulator with by-pass pumps. Maintain a high position for the hose so that it is above the level of the water pump. Motorhome: Knaus Boxstar 600 Street. Talk directly to a SHURflo technician: 800-762-8094 East Coast, 800-854-3218 West Coast. The pump should cycle, but its OFF time must be 2 seconds or longer. 3 left the pump running and 1/2 closed the tap. Located to left of 'square block' where RED wire plugs in) Jan 22, 2020 #8 H Henry J Fate Starts when pressure is 35 psi (or lower) and should shut off when pressure reaches 55 psi. 2 turned on the pump and fully opened a tap with the mains water connected and turned the pressure adjuster in until the pump ran smoothly. 6 offers from $62.45. 2088 series pumps are intended for intermittent or continuous duty when the proper operating criteria are met. From what you say, you'll need to remove the pump anyway. You should see a small black knob on the front of the pump. Use a minimum of 1/2" [13mm] Inner Diame-ter plumbing. The non-adjustable pressure reducer (given me by a motor home owner) was for 45 psi, but per Shurflo the 4008 pump check valve can start to open at 40 psi, and my trailer book calls for 35 psi pressure regulator. My problem with the Shurflo model 4008-101-A65 is that it cycles on and off every 1-3 seconds when the faucets are closed. Port, Model Number 2088-594-154. 50,935. Posts. Our Shurflo 4008 Water Pump Needs Adjustment, because its pressure has always been marginal, so today I am setting out to try to solve that problem. Adjusting a Flojet water pump pressure setting 1 Turn on your shower 2 At the water pump, using a Phillips head screwdriver remove the cover plate on the pressure switch 3 Locate the Phillips head screw between the electrical connections under the cover More items Be certain the pumps materials will be compatible with the fluid being pumped. NOTE: By-pass adjustment should only be performed by a professional techni-cian with proper gauges and equipment. Shurflo water pumps have an adjustment screw that can be set to eliminate the rapid cycling when a faucet is not opened fully. SHURflos 4008 pumps are equipped to deliver high performance and reliability every time they are used. The information outlined by this manual is general and not specific to all 2088 series pumps. Then, remove the cover of the pump. If the switch is turning on at 35PSI and going off at 50PSI, turn the adjustment nuts in a clockwise direction until water pump shuts off at 45PSI or higher. Starts opening at 40 psi and is full open at 62 psi. I bought an adjustable pressure reducer, the kind with a gauge, that came set for 35 psi. To determine if adjustment if necessary, turn tap on to lower than aver-age flow of water. C 1 SHURFLO AQUA KING II Delivers smooth quiet ow. Fully automatic, it is energy efficient and can even run dry without damage. Featuring an automatic triple diaphragm, it is a self-priming pump with an integral pressure switch and low amp draw, which is capable of running dry without damage. The Shurflo caravan and motorhome water pump is quiet to run and therefore operates unobtrusively. Repeat for pump two. Hello Clive, The Shureflow pump uses a displacement mechanaism to pump the water. After the pump has been installed for the first time, it is required to prime it. Factory Dealer & Service Tech Owner How to adjust* Fill a jar halfway with water (at least 12 ounces). The by-pass is a spring loaded dia-phragm that opens up allowing water from the discharge side back to the inlet side. Shurflo- Diaphragm Pump 4 Chamber, Aqua King II Standard 3.0, 12VDC Intermittent Duty Sealed Motor, Up To 3.0GPM Open Flow, 55PSI Adjustable Demand Switch and Adjustable Bypass, 1/2 x 14 NPSM Male Threaded Ports, Includes Two 1/2 Hose Barb Straight Swivel Fittings, 6.2 Amps, Ignition Protected, CE Rated, Fresh Water Pump. Pressure switch adjustment is done via a small allen head screw. Hi, As a guest, I read a thread somewhere on this forum that discussed pumps. If the cycling is correct, leave well enough alone. Subject: RE: shurflo water pump problems. Well designed features. one that is out of adjustment I guess. This is the small black unit on the end of the wetted end of the pump head (PL-PMP- Watch the pressure gauge and adjust the pressure switch to shut off at 125 psi. Refer to about the by-pass section for adjustment details. It's a bit like a car engine, in that it has chambers (cylinders) and valves and displacers (pistons). Quick review of the steps involved in adjusting the pressure switch of a SHURflo water pump talked about in the video: You dont need to take the pump out of the camper or take the pressure switch apart! Look for the allen screw on the top of the pressure switch. Turning clockwise will result in a more sensitive switch (more likely to cycle) Remember to wait for the pump to prime! If the pump is cycling rapidly increase the setting by turn-ing the screw clockwise (1/2 TURN to Jun 8, 2010. Open up the outside shower where you are close to the pump and listen to see if it is running fast or slow. This adjustment is possible on newer model units. 1 GPM amp draw is minimal at only 2.5 amps. Quick review of the steps involved in adjusting the pressure switch of a SHURflo water pump talked about in the video: You dont need to 11. 1,878. Use flexible high-pressure hose on the pump inlet and outlet [such as SHURflo Kit 94-591-01]. The pump inlet and outlet ports and strainer should not be connected to rigid plastic pipe; otherwise the normal pump action will transmit cavitation through rigid plumbing causing noise and possible loosening or cracking components. Featuring an automatic triple diaphragm, it is a self-priming pump with an integral pressure The Shurflo Trail King Water Pump is an efficient and robust 12v pressurised fresh water pump suitable for use in caravans and motorhomes. SHURflo takes no liability for any problems arising from any switch adjustment or product modification.