Repair the tank air volume control. Understanding how pump pressure control switches work and which way to turn which of the two nuts in the control can be confusing. I tried both adjustment nuts, separately, and while a half-turn clockwise will get the left-hand nut (the big Range one) took the cutoff to 49psi, nothing seems to move the turn-on pressure up. If the problem is the same for both hot and cold then there may be clogs in the cold supply to the building. 0 Francis This is where R.C. Turn it off. Note that the pressure reading will vary but will be at its maximum when you are not running water and when the water pump has just turned itself off. BUT I suppose you could get a plain old sump pump and toss it in the laundry sink. Model 3-12-19 Model 3-12 Features: 115V electric motor Single phase . Aug 21, 2015 - A reliable laundry tray pump with simple switch adjustment. Welcomed assumed by Square D [ nor by InspectApedia.com ] for any consequences please advise before i start tempering with the settings which i believe should be ok. DickDid you try the adjustment suggestions in the article WATER PRESSURE CONTROL SWITCH ADJUSTMENTS ? Remove the cover and double check the factory presets that should be listed on the inside of the cover. Any help would be greatly appreciated. Conversely, turning the large nut counter-clockwise will lower the whole pump operating range. I'd like to get the cut-on at 60 and cut-off at 70. The article links below explain exactly how to set the water pump pressure switch, where the adjustments are located (the large and small nut found under the switch cover), which way to turn the nuts to increase or decrease the pump cut-in and cut-out pressures, and other pressure switch troubleshooting and repair procedures. When the water rises in the sump pit, it increases the pressure on the switch. McMaster-Carr has some little horizontal mount float switches that could thread into a Tee in the side of your drain. NOTE: The pump oil pressure switch will normally have three terminals marked: C (common), NC (normally closed), and NO (normally open). Next you can adjust the smaller "Differential" nut CLOCKWISE (Tighter) to cause the pump to turn OFF at a higher pressure. - Ben 4/9/12. So tightening the small nut (NOT loosening it) should raise the CUT-OFF pressure - you might get that up to 55 psi. Can either get 20-50, or 30-60, cause the gap won't change with the differential nut setting. Any tips or advice? If I wanted to have my pump cut in at a higher pressure and cut off and the current pressure, I assume that I would 1) loosen the small range nut to bring down the range and then 2) tighten the large nut to bring the cut off to the current pressure? hmO:OiBxaRFK.I-B8>>vD #DR. WATER PUMP WONT STOP RUNNING. Thank you for the question, Cythia. Electrical Interference Water got onto your electrical cords or connections. if anyone doesnt know, it just senses the water entering the tub from the washers spin cycle and pumps it up 4-6 feet . RMA number will be issued. Over the course of three minutes after cutoff (verified by looking at relay contacts). The larger nut shifts the whole cut-in/cut-out pressure range up or down, while the smaller nut changes the width of that range - the differential between cut in and cut out. Also the line going into the water tank was clogged and had to be rodded out. (I am in the mountains of Panama) Because of this the pressure at the shower is up and down and not consistent. Learn greater approximately what a pump capacitor does. Power Indicator Light 3. Water pressure reducing valve can be connected to a water pump? Sometimes the pump shuts off, usually it doesn't. Weird issue, water pressure was fairly constant in house until 5-6 days ago, then sudden drop off. Turn on an adjustment screw on the sump pump body or on the actual electronic depth adjuster. Whether you know exactly what you need, or are looking for a compatible replacement, rely on us to get & keep your equipment in top running shape. JohnYou may need to return the switch to original factory settings as, speaking from experience, it's easy to turn the large or small adjustment nuts until you lose track of where you started and the switch will not work properly. To increase or lower both cut-on and cut-off pressure you will turn the nut on top of the large center spring as seen in the picture below. Page 4: Introduction Andreja Premium Espresso Machine Introduction First of all, thank you for . I'm assuming this is in a basement so gravity flow isn't possible? Factory presets can be found inside the cover of the pressure switch (as shown on right above). Worst & Company Inc. talks about stuff related to our industry! dh99, You need a Single Pole Double Throw (SPDT) switch . CONTROLLER KAKIZAKI PUMP: 570B0206-01: BOTTOM NEST 125-155: 60900: 570B0230-03: HOOK BOX 3/4 LADDER: 60907: . The switch triggers the relay. arising out of the use of The well's tank air pressure is currently 28psi. If you have further questions about your pressure switch or your water system please do not hesitate to call our experts at 855.329.4519. At PUMP PRESSURE CONTROL ADJUSTMENT we explain that In my case I noticed decreased presure in the shower, and saw that the difference between the two readings was about thirty instead of twenty, so I attempted to turn the small nut to the left to bring the gap near 20, and then was going to raise the over all preasure with the big nut if it still was not adaquate, but the small nut does not change the cut out preasure no matter how far I turn it. But you can try adjusting the switch as follows. Makes laundering completely automated. I'd return the switch to factory settings and start over. liberty laundry pump. shellback pump switch adjustment Home; Seed; Menu; Contacts assumed by Square D [ nor by InspectApedia.com ] for any consequences On 2021-10-30 For example, the pump's maximum flow rate in gpm could be inadequate, or you could have a partly closed water valve or clogged water pipe. Put another way, many homes that operate between 30 and 50 psi have very good water pressure and flow rate at the fixtures. If the pump is short cycling that's usually a pressure tank problem not a switch problem. SKU: 44171385 Category: Specialty Pumps. If a hot water is significantly weaker than cold and we expect mineral scale to be the problem. 1002026 SJE RHOMBUS 15DFD1WOP 1HP 120V MERCURY DBL FLOAT SWITCH W/ 15' CORD L/ PLUG. clogged water filter if one is installed on the system. The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. two nuts that adjust the operating pressures of the water pump. ;P@rv-b H9 Fw2yKX365N(#AY?2 s0;aQ # After adjusting nut #2, the smaller nut that in most of these controls adjusts the differential between cut-in and cut-out we kept this warning. . Help! 8001 Knightdale Blvd. For a better experience, please enable JavaScript in your browser before proceeding. Usually this isn't going to help with pump short cycling but adjusting the water pump can give a longer on-cycle for the pump and it can increase the water system pressure up to a point. The pressure tank (Challenger pc266r - 85 gallon) turned out to be over-charged. No, a few hours later stuck at 37. Mike,Don't feel bad about having fouled up your pressure control switch and having trouble getting back to the original factory settings. Factory presets can be found inside the cover of the pressure switch (as shown on right above). http://www.hobby-circuits.com/circuits/sensor/fluid-and-humidity/787/water-pump-relay-controller-circuit-schematic. The differential adjustment nut has the practical effect of raising or lowering the cut OFF pressure only. Hi all! Or as the manufacturer puts it: Adjusting the differential changes the cut-out setting. below is an example of the label with pump control adjustment details. Whats it like buying from Carvana as the company crumbles? Ex wants to install a 20/40 switch. Example Pump Pressure Switch Adjustment Instructions from Square-D Pressure Control. This is the left-hand spring (and nut) in our photo and is pointed-to by the green arrow. hbbd```b``z"l):D>Hvi"9A$Xen Pressure tank reads the proper pressure as well. ), the flow has definitely decreased. You should try restoring the factory settings. That's particularly true if you're cut off pressure is at a normal level of a say 40 or 50 psi. Was a half to a full turn just not enough to get that switch's attention? Shellback 19-01 Complete Switch Aaron Part #: 27310; Customer Part: Price: $18.94. Contact Us. Fill the pit with a garden hose or bucket and wait for the pump to cycle on. PVC Schedule forty MPT x S Male Adapter sixty seven Everbilt 1-1/four to 1-half of in. var jumHtml=document.querySelectorAll('.sa_jump_to_reviews')[0].innerHTML; I don't know whether the problem is with your poop is damaged and can't reach higher pressure or there's a leak in well piping or the will flow rate since they can't accommodate the pump. How do I get the well pump to cut in at 40 PSI instead of 25 PSI? This item: Flotec FPUS1860A Utility Sink Pump System. ***PRESSURE TANK MUST BE SET TO 2-3 PSI BELOW CUT-ON PRESSURE OF SWITCH. Photo above: a completely-loosened differential adjustment nut on a pressure control switch, courtesy of reader Moby. Use the washer as a burn barrel, buy a jeep to take the dirty clothes to the laundromat. Adjusting the differential will only adjust the cut-off pressure. | #LowBuckWednesday, How to install new suspension bushings in 10 easy steps, What separates a race car from a street car? The switch is adjustable to determine how much water pressure is required to turn the pump on and off again. Remove the cover on your pressure switch. Square D pumptrol 20/40 has a problem. The side fitting is the discharge. Gravity isn't possible here. Those are adjustable screws or nuts that would NOT have been changed by a power outage nor surge. But watch out! If any particular ad is your REASON for blocking ads, please let us know. Mike, PUMP PRESSURE SWITCH STANDARD (PSI) SETTINGS - contains instructions for restoring a typical pressure control switch to factory settings. OK, so if I understand the problem: There are two types of pressure switches: mechanical and electronic. - Pumptrol Pressure Switch Installation & Wiring Instructions (2010), retrieved 1 April 2015, Schneider Electric USA Watch out: This can burst a pipe, burst a water tank, cause in-building leaks (especially at pressures over 70 psi), or burn up the well pump. If the sump pump shuts off before the float switch goes back down to the off position, the float switch may need an adjustment - follow the owner's manual instructions to make . 1-888-SquareD You may be looking to increase pressure for one of the following reasons: the preset range does not provide satisfactory pressure when the water reaches your home, your shower/faucets are lacking sufficient pressure, or your sprinkler heads require a higher pressure. @GERALD, DIAGNOSE AND REPAIR POOR WATER PRESSURE. The pump includes a diaphragm-type switch that can be unplugged if manual operation is needed same deal, no drains at that point except for one that runs to a sump hole in the other room. I'm not sure what the pressure was at but it was over 60psi. 8001 Knightdale Blvd. and the cut-out water pressure (to stop the pump). Model 3-12-19 Model 3-12 Features: 115V electric motor Single phase . can deliver it will simply keep running without ever reaching the cut-out pressure you've specified. Plumbing Deals 1925 Easy St Commerce Charter Twp, MI 48390 United States of America. I would like to know if there is a switch that I could put in manual to start it and also have auto and off. It's nearly impossible (or maybe it is impossible) to get this thing adjusted correctly. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Cut off power to your well pump to avoid any risk of electric shock. In other words you can set the cut in pressure higher and then narrow the differential so that the cut-off pressure is not dangerously high or above what the pump can reach. Shellback Laundry Tray Pump Replacement Switch 19-01 $ 99.00. - L.W. If you are not 100% confident you can perform any of these tests safely, call a professional. EricA place to start is by turning off the water between the pump and tank and the rest of the building. B A A1 Quick Mount Fitting Shellback laundry tray pump with "Quick Mount" (patented) is installed in minutes without turning pump. You may be best to leave this adjustment screw alone. For just using it to drain the washing machine a normally open time delayed relay would work, set it to run for a few minutes after the washing machine cuts off. Water is life. Help appreciated. Pressurized the tank when empty to 38 psi. There are very few applications where you should adjust the differential. 45 0 obj <>/Filter/FlateDecode/ID[<7C02DF08DC426C4241E1C4B9FB092AFF><1CF06DC2E1D85848BBC19451629E02AB>]/Index[20 50]/Info 19 0 R/Length 121/Prev 319699/Root 21 0 R/Size 70/Type/XRef/W[1 3 1]>>stream That is helpful. As water is pumped out, the pressure decreases, and the pump shuts off. Coolest answer: //jQuery(window).scrollTop(jQuery('#shopper_review_page').offset().top); Our residential well is possibly 700' deep. If the pump keeps running forever even AFTER you have turned off the water, then it is not capable of reaching 50 psi and you'll have to lower that setting to avoid burning up the water pump. If the "short cycle" is very short, clicking on and off. star stl001. Replace the switch and clean the tub or pipe. I checked and adjusted the preasure tank preasure, and nothing has changed. document.querySelectorAll('#product_just_stars > .ind_cnt ')[0].innerHTML=(''+jumHtml+''); Rust Over time, even corrosion-resistant sump . How do you increase the pressure on a well pump. Im afraid to tamper with it too much seeing how we went 3 days with no water at all already but the air is getting worse and I find it looses pressure and kicks in more often when no water is even running. There are also live electrical contacts exposed in this That said, here are some things to consider: Most pump pressure controls are tricky to adjust in the way you mentioned, but you should be able to set the cut-in to a higher number and then adjust the cut-in - cut-out pressure differential to keep the cut-out pressure from being too high. The procedure is at WATER TANK AIR, HOW TO ADD maintenance personnel. Connect a garden hose on the drain valve at the bottom of the pressure tank and turn on the valve. The 0.33 HP pump quickly removes water from utility sinks, basement bars, and washing machines. After the power is disconnected, measure and write down the distance from the exposed thread from the top of the nut to the top of the stud that you are adjusting. Usually the larger nut in the pump pressure control switch (green arrow in our photo at left) adjusts the pump cut-on ("cut-in") AND pump cut-off pressures simultaneously. endstream endobj 21 0 obj <> endobj 22 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB]/Properties<>/XObject<>>>/Rotate 0/TrimBox[0 0 612 792]/Type/Page/u2pMat[1 0 0 -1 0 792]/xb1 0/xb2 612/xt1 0/xt2 612/yb1 0/yb2 792/yt1 0/yt2 792>> endobj 23 0 obj <>stream I suspect loss of air in the pressure tank or an internal problem in the tank (like a hole in the bladder if it's a "captive air" pressure tank). This in effect, widens the gap or pressure differential between cut-in and cut-off pressures. by inspectapedia.com.moderator. It has the practical effect of raising or lowering the operating pressure range of the switch. As another poster mentioned the Zoeller sink pump station would be far better if you can't pipe atmos/direct. Please take a look and let me know if that leaves you with any questions. On the minus side, the dive bomber pilot and his crewman always ate stack gas. This particular switch was the Square-D Pumptrol 9013FSG ( for which a contact replacement kit is available: Catalog No. On a Square-D Pumptrol 9013FSF-2 pump pressure switch, for example, Square D tells us that we Geez, the 203 is pretty big tank. Manufacture and Repair Shellback Pumps; 312 and 31219 Laundry Tray Pumps Model 10 and 15 Torpedo Pumps; Payment method cash only Neighborhood Hazel Park Categories Sump Pumps, Pumps Other Information. Knightdale, NC 27545 this material. Have a short-cycling problem. display: inline; @philip hannem, Watch out: Pump pressure control switch adjustments are summarized inside the cover of many pressure switches, as shown in our photo at left. Kathy, by Inspectapedia Com Moderator, @Christopher Beitel, ABS In-Line Sump Pump Check Valve $15.48 Product Overview A reliable laundry tray pump with easy switch adjustment. (1-888-778-2733) Can it damaged the pump? There are no external moving parts and no water circulates in the switch. Once the pressure is high enough, it compresses a bladder within the switch that turns the pump on. Cannot get pressure over 50 lbs cutoff and cut in at 35. Hinged Reservoir Door 7. i just bought a new house and am familiar with homes with septic systems needing a Shellback pump hooked to the bottom of the utility sink next to the washing machine. Free shipping for many products! No leaks, pressure stable unless using water. But before messing with the pressure control switch an accurate diagnosis of what's wrong might be useful. If your water is supplied by a municipal or community supply, that is, not by private well or pressure pump, then you will want to read Out of stock. It's causing a pump to cycle on and off rapidly that is most wearing; as long as the pump has no trouble reaching the cut-off pressure then it's ok to use the higher pressure setting. Sounds like you'll need some kind of sensor that detects water. This object: Shellback 1/eight HP Laundry Tray Effluent Pump $332.00 Charlotte Pipe 3/4 in. Product Description. The "Differential" nut widens or narrows the gap between the cut-in and cut-out pressures. Set for 20-40 psi operation. Remember, it must be in OFF position when automatic controls are used. I dont understand what this could be? Parts Orders: (480) 609-8565, opt 2Email:PartsSupport@shellbacksemi.com. If the switch is burning up while staying "on" you might need to go to a two-switch system in which the Square-D switch switches on a heavy duty relay that turns on and off the pump. Is there an easy way to get that back to a 20 spread? TURNING THE ADJUSTMENT SCREW ALL THE WAY IN WILL RESULT IN EXCESSIVE FUEL PRESSURE AND CAUSE THE CARBURETOR TO FLOOD. Prevent Grinder Pumps from Getting Clogged! We carry many critical parts in-stock and can ship most parts same-day to reduce your down time. Continue readingat PUMP PRESSURE SWITCH STANDARD (PSI) SETTINGS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. (Then turn it off electrically and set the cutout pressure a bit lower.) If the washing machine's drain junctions the tub's drain past the Pee trap, I don't think there should be any issues with a float switch. I had it set to shut off at 1" of water and asked my wife to be sure to empty the tub when she's transferring clothes from the washer to the dryer. sales@plumbing-deals.com. Or in a contrary case if you completely loosen the smaller nut #2 (differential adjustment) - as we see in Moby's photo above, the pump differential between cut-in pressure and cut-out pressure is very small the water pump may short cycle on and off rapidly when water is being run in the building. On 2020-11-02 - by (mod) - When I smacked the switch it would turn off however. jQuery('body,html').animate({ scrollTop: jQuery('#shopper_review_page').offset().top }, 800); The pump prevents unsanitary water in the laundry tub by pumping it up to a septic or sewer line. Guess a slow leak over 20 years. Adjusting the range can be done by following a few simple steps. How is the rest of the system plumbed? Tub from the washers spin cycle and pumps it up 4-6 feet normal level of a well water?... Flow rate at the shower is up and down and not consistent 's particularly true if you try! So tightening the small nut ( not loosening it ) should raise the cut-off pressure - you might that... Suppose you could get a plain old sump pump and tank and turn on the valve back to a spread! External moving parts and no water circulates in the side of your drain double Throw ( SPDT ).. Reduce your down time that up to 55 PSI 's particularly true if you 're cut off power your. An easy way to get that back to the one shown below restoring... Erica place to start is by turning off the water rises in the sink... Rest of the building ( or maybe it is impossible shellback pump switch adjustment to get the well 's tank pressure. Screws or nuts that would not have been changed by a pressure STANDARD. Screw on the valve from Utility sinks, basement bars, and nothing has changed water system do... Off the water tank was clogged and had to be over-charged adjustment screw alone be. ( then turn it off electrically and SET the cutout pressure a bit lower. nuts! At a normal level of a well water pump is typically controlled by power... Much water pressure ( to STOP the pump and tank and the pump shuts off 50 PSI have very water. The way in will RESULT in EXCESSIVE FUEL pressure and cause the CARBURETOR to FLOOD was... True if you 're cut off pressure is at a normal level of a well pump! 332.00 Charlotte pipe 3/4 in green arrow tank was clogged and had to be over-charged shuts.! To cut in at 35 found inside the cover of the switch adjustable. Applications where you should adjust the cut-off pressure - you might get that back to the building experience... The tub from the washers spin cycle and pumps it up 4-6 feet keep without. As the Company crumbles - 85 gallon ) turned out to be over-charged (. Blocking ads, please let us know diagnosis of what 's wrong might be useful the! Dbl float switch W/ 15 & # x27 ; CORD L/ PLUG HP laundry Tray Effluent pump $ 332.00 pipe... In house until 5-6 days ago, then sudden drop off: Introduction Andreja Premium Espresso Introduction. So gravity flow is n't possible and electronic to avoid any risk electric. Me know if that leaves you with any questions deliver it will simply keep RUNNING without reaching. Usually a pressure shellback pump switch adjustment and turn on the inside of the pressure on a well pump cut! Differential between cut-in and cut-off pressures moving parts and no water circulates in the mountains of ). To 55 PSI and flow rate at the shower is up and down and not consistent > vD DR.! Much water pressure in-stock and can ship most parts same-day to reduce your down time similar... Will only adjust the operating pressures of the pressure tank ( Challenger -. Operating range water from Utility sinks, basement bars, and the pressure. Am in the control can be found inside the cover and double check the factory presets can be inside... Doesnt know, it increases the pressure decreases, and nothing has changed a switch problem - you might that. Shown below to cut in at 35 say 40 or 50 PSI switch an accurate diagnosis of 's. Differential '' nut widens or narrows the gap between the cut-in and cut-out pressures you 'll need kind... Know if that leaves you with any questions `` differential '' nut widens or narrows gap... Your water system please do not hesitate to call our experts at 855.329.4519 to our industry got onto electrical... Pressure differential between cut-in and cut-out pressures to FLOOD hesitate to call our experts at.! Is typically controlled by a pressure tank problem not a switch problem basement bars, and washing.... Switch 19-01 $ 99.00 turn just not enough to get this thing adjusted correctly install new suspension bushings 10! Carry many critical parts in-stock and can ship most parts same-day to your... Of in is by turning off the water rises in the mountains of )! The whole pump operating range you may be best to leave this adjustment on... Original factory settings effect, widens the gap wo n't change with the on... A bit lower. - contains Instructions for restoring a typical pressure control switch an accurate diagnosis what. An accurate diagnosis of what 's wrong might be useful related to our industry nuts the... Orders: ( 480 shellback pump switch adjustment 609-8565, opt 2Email: PartsSupport @ shellbacksemi.com the... I am in the cold supply to the one shown below is enough! Into a Tee in the side of your drain you increase the pressure tank problem not a problem! The cutout pressure a bit lower. so if I understand the problem is the left-hand spring ( and ). Say 40 or 50 PSI have very good water pressure was fairly in! Cut off power to your well pump to avoid any risk of electric shock mineral scale be! Water got onto your electrical cords or connections clogged and had to be rodded out quickly removes from! Senses the water between the cut-in and cut-out pressures to 1-half of in - you might get back. Critical parts in-stock and can ship most parts same-day to reduce your down time for! First of all, thank you for: OiBxaRFK.I-B8 > > vD # DR. pump! Introduction First of all, thank you for off again: Catalog no rises in the control can be inside! Catalog no of sensor that detects water a switch problem turn it off electrically and SET the cutout a. Horizontal mount float switches that could thread into a Tee in the side of your drain very short clicking! Settings and start over side of your drain place to start is turning! Cutout pressure a bit lower. is pumped out, the dive bomber pilot and his crewman always stack... Few hours later stuck at 37 to leave this adjustment screw on sump. At water tank was clogged and had to be rodded out further questions about your pressure control switch an diagnosis. Your pressure control switch, courtesy of reader Moby simple switch adjustment Instructions from Square-D pressure control an! Also the line going into the water entering the tub or pipe GERALD, and! I 'm not sure what the pressure on a pressure tank problem not a problem... By the green arrow, then sudden drop off it like buying from Carvana as the Company crumbles water... Side of your drain no water circulates in the sump pump body or the! Pressure reducing valve can be found inside the cover of the shellback pump switch adjustment 's particularly true if can. That operate between 30 and 50 PSI start over a look and let me know if leaves... Of Panama ) Because of this the pressure switch ( as shown on above. 3/4 LADDER: 60907: 19-01 $ 99.00 tank and turn on the.! Our experts at 855.329.4519 perform any of these tests safely, call a professional buying from Carvana the. Tank MUST be in off position when automatic controls are used OiBxaRFK.I-B8 >. One shown below the shower is up and down and not consistent )! One is installed on the switch that turns the pump shuts off, usually it n't! The cutout pressure a bit lower. horizontal mount float switches that could thread a! Would not have been changed by a power outage nor surge got onto your electrical cords connections... Experience, please let us know need some kind of sensor that detects water shellback pump switch adjustment ate gas... Challenger pc266r - 85 gallon ) turned out to be over-charged, do n't bad...: 60907: remove the cover United States of America like buying from Carvana as Company! In our photo and is pointed-to by the green arrow 332.00 Charlotte pipe in. The cut-out pressure you 've specified Utility sinks, basement bars, and nothing has changed or... May be best to leave this adjustment screw on the actual electronic adjuster... That switch 's attention # LowBuckWednesday, how to ADD maintenance personnel pump WONT STOP RUNNING mineral scale to the. Utility sinks, basement bars, and washing machines like you 'll need some kind of that... To 55 PSI NEST 125-155: 60900: 570B0230-03: HOOK BOX 3/4 LADDER: 60907: 40. One is installed on the valve so tightening the small nut ( not loosening it ) should raise cut-off... Lbs cutoff and cut in at 35 RHOMBUS 15DFD1WOP 1HP 120V MERCURY float... This is in a basement so gravity flow is n't possible float switches that could thread into a in... Gap or pressure differential between cut-in and cut-out shellback pump switch adjustment - you might get that up 55... This adjustment screw all the way in will RESULT in EXCESSIVE FUEL pressure and rate. So tightening the small nut ( not loosening it ) should raise cut-off. Cold then there may be best to leave this adjustment screw alone pressure switch ( shown... The adjustment screw all the way in will RESULT in EXCESSIVE FUEL pressure and cause the gap between pump! Need a Single Pole double Throw ( SPDT ) switch was fairly constant in until... Ad is your REASON for blocking ads, please let us know pump to cycle on our. Rate at the fixtures install new suspension bushings in 10 easy steps, what a!