Unloader Repair Parts CAT Pump Part Number 811528 (Old PWP # APU-7443) $55.00 ea. $84.52. Setting and adjusting the unloader pressure must be done with the system turned on. Make sure the engine or motor is spinning at the proper rpm. 2. The molded plastic adjusting knob is designed for user comfort. Disconnect by-pass, discharge and inlet plumbing from unloader. Serves also as a secondary relief valve. Price $ 119. 34235 – Cat Valve Kit 3520, 3535 Pumps $ 319.95 $ 319.95 Add to cart. So I ordered part # A03928SV unloader kit off ereplacementparts.com. unloader for cat pumps only ca7860 thermovalve co1215035400 check valve kit for comet co5025.0011.00 o-ring for 35169 gp701019 pump valve kit general pump gpk1 pump seal kit general pump gpk28 capacitor 25mf ma307498 Hydracats had only one Pressure regulator/Unloader to regulate pressure on the Cat pump. ... CAT Pumps 7625 Unloader Valve, 3/8 In., 7.7 GPM, 3650 PSI. n Operating Pressure n Bypass Pressure An unloader valve contains a check valve that traps pressure between the closed downstream device ( shut-off gun ) and the unloader, which opens the internal piston allowing the pump to unload at low-pressure. Here are a few steps that you need to take note of: 1. 007860 – Cat Pump Modular Unloader Valve Built-in ByPass Chemical Injector 66DX $ 129.95 $ 129.95 Add to cart. Mfr. You can reduce the pressure side of the pump down to 1/4" hose from 3/8". 00: Sale Price $ 32. Product Range: A pressure-sensitive unloader is used as a primary pressure control device to set and maintain consistent system pressure while providing an energy and system savings feature that allows the pump to run at low pressure when downstream flow is shut off. Price $ 294. ¼÷Wô4—L2ù¸jûd@†>cÙ{˜`0 ¿wD$«ºZ3 =U|$3##“_~zÿÇÛÏÿüéÇ?İ¿üåk¾ÿğã×ûíË׿åûÛ¯÷r¿ÿúöËíËŸÿıëí?x‘ñWîmÍ”[÷‘Gš>ìşöıÆOü}ä”K½¿ßøßñòıöíö¯Û_/óİ. KR Part #: PU7625. 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. Step 1. CAT Pump, with unloader, high pressure pump, belt drive, 2.9 gpm, 11.0 lpm, 2,500 psi, 172 bar, 3450 rpm This lets the compressor pump into the receiver once again. Model #: 7625. Maintains a consistent pressure for wash applications. 00: Sale Price $ 169. 4. 00: Sale Price $ 26. Review our Regulator vs. Unloader Video to learn the differences between the two valve types, and which is right for your system. This zero pressure system is now becoming a preferred method due to health … AR Pump 2.5GPM@2800PSI - With Unloader #RMW25G28 RMW25G28 $217.00 Water Dragon 5.0@2800 Gear Drive Cold Water #WD-CW5028UGR WD-CW5028UGR Call For Price CAT Pump - with Unloader 3.0GPM@3000PSI #3SPX30G1I 3SPX30G1I $439.00 The pump, however, continues to run. unloader) and a secondary pressure relief device (i.e. Featuring brass and 400 stainless steel construction with Delrin® seals, this safety valve is for use as a secondary safety device to help keep pump and system pressure from reaching dangerous levels. 2. The Interpump K series zero pressure unloader valve dumps the water back to the low-pressure side of the system. Pump arrived fast and as ordered. Ships from United States. So I then replaced the bypass/unloader valve. Equipment Type Pressure Washer Inlet 3/8" MPT Outlet 3/8" MPT Size 3.25" x 1.0" x4.81" Weight 21.4 oz Model 7600S for 4SF PSI 3000 Pressure rating: 700 to 3000 PSI Flow rating: 2.0 to 5.0 GPM Bypass port: 3/8" MPT Features Regulating unloader standard on all 4SF direct drive pumps For maximum suction capability, unloader should be mounted on discharge manifold, opposite from pump … Use a wrench to tighten the two nut… … Materials: Remove the washer and spring, leaving behind the threaded piston rod that has two lock nuts. Remove discharge fitting and o-ring, spring, check valve and o-ring. Remove unloader from pump. Cat Pumps Pressure Regulators For Pumps. Then I cleaned every fitting and screen, valve, and whatnot and it got 1% better if that. PRESSURE ADJUSTMENT AS A RELIEF VALVE: The unloader can also be used as a secondary relief valve by removing the check valve. Maintain a running pressure washer with 3700 rpm before the load and 3400 rpm under it. CAT PUMPS does not assume any liability or responsibility for the operation of … Maintains a consistent pressure for wash applications. 00: Water Seal Kit. Unloaders featuring a bolt on design with internal by-pass system. 00: ... Brass Adjusting Cap. 3700 before a load or 3400 when under a load. I already used it to replace a cheap wobble pump. Now, remove the nylon insert lock from the unloader valve then shut off the pressure adjusting knob. Sale! The air compressor unloader valve is a very small but crucial part of the whole pressure maintenance process. Compact size … Disconnect the nylon lock nuts from the valve and turn off the pressure adjuster knob. 118672 – Cat Pump Shaft Protector, 3CP, 5CP & 5FR Pumps $ 14.95 $ 10.50 $ 14.95 $ 10.50 Add to cart. 00: Sale Price $ 69. 34017 – Cat S.S. Adjustable unloader valve makes pressure adjustment easy. MSRP $137.00 Now Only! Within this category, you will find Unloader Valves that are suitable for most Pressure Washer Pumps. View More MSRP $137.00 Now Only! Price $ 39. For a pressure actuated unloader, squeeze the gun and adjust the valve in until operating pressure is reached. It has a 3/4" hose barb discharge. Model #: 7625. Then I took the pressure line from the cat pump to the gauge and put a quick connect on it and got a dramatic increase in pressure. 3. Convert one model to another model simply by substituting the spring. Cat Pumps Pressure Regulators For Pumps. Adjust the pressure of the relief valve in the same increments as the primary valve, then adjust the relief valve to approximately 200 PSI above the primary valve pressure setting. Extend the life of your pumps, valves, hoses, and nozzles by removing grit and debris with a filter from General Pump, Spraying Systems, or Hypro! 0.5 to 120 GPM, 100 to 7,250 PSI. Equipment Type Pressure Washer Inlet 3/8" MPT Outlet 3/8" MPT Size 3.25" x 1.0" x4.81" Weight 21.4 oz Model 7600S for 4SF PSI 3000 Pressure rating: 700 to 3000 PSI Flow rating: 2.0 to 5.0 GPM Bypass port: 3/8" MPT Features Regulating unloader standard on all 4SF direct drive pumps For maximum suction capability, unloader should be mounted on discharge manifold, opposite from pump … Eliminates by-pass hose and fittings and includes a fixed or adjustable built-in chemical injector. $84.52. KR Part #: PU7625. 00: Sale Price $ 169. The trigger gun and unloader valve are the two main components of the most common safety system for high pressure cleaning equipment. Direct-mount, multi-gun, & trapped pressure unloader valves for pressure washers from Cat Pumps in options up to 4000 psi and 52 gpm. Squeeze the trigger and read the pressure on the gauge at the pump. Secure body of unloader in a vise with adjusting handle facing up. system pressure, diverting full pump flow at system pressure. Diverts excess water flow to by-pass and return to the pump unit. The incoming regulator only regulated the incoming cold water supply (garden hose hookup). Comes with the … Elastomers are available in medium nitrile buna (NBR), fluorocarbon (FPM), ethylene proplylene diene monomer (EPDM), and more. Engine wanted to die when he let off the trigger, so he talked to some people and determined that a stuck unloader valve on the pump was at fault. 4. Release trigger and watch spike pressure. It should be about 10% more than operating pressure. Immediately returns to system pressure when gun opens. 00: Brass Adjusting Cap. Industrial Duty Pressure Regulating Unloaders for Trigger Gun Applications. Mfr. Verified purchase: Yes | Condition: New Valve Kit 3521,3531,3537,3821 Pumps $ 671.00 $ 671.00 Read more. How to Regulate, Adjust the Pressure of an Unloader - YouTube Features color coded springs for easy valve identification and change from one pressure rating to another. An unloader contains a check valve that traps pressure between the closed … Typical usage: 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. Remove the nylock nut off the top of the unloader valve and spin the black plastic pressure adjusting knob off. 5. 34062 – Cat Seal Kit 4HP, 5DX Pumps $ 84.70 $ 84.70 Add to cart. Price $ 49. General Pump Unloader Valve - GP2124 No matter how careful you are with your equipment, eventually parts wear down and need replacing. When you’re in need of a new bypass valve, search no further than this pressure reducing valve from General Pump. 00: Adjustment Cap. [add.100 when ordering this version] Adjust the pressure of the relief valve in the same increments as the primary valve, then adjust the relief valve to approximately 200 PSI above the primary valve pressure setting. pop-off valve, relief valve). An unloader contains a check valve that traps pressure between the closed downstream device (shut-off gun) and the unloader, causing an internal piston to open which allows the pump to unload at low-pressure. Problem is though it was pulsating like it was pumping on 2 pistons. Cat Pump Chemical Injector. 121391 – Cat Ceramic Plunger for 5CP6190 Pump $ 59.95 $ 59.95 Add to cart. Cat Pump Review. ; Step 3. Looks like a quality pump that should last for years. Fortunately, learning how to adjust unloader valve on pressure washer is really easy and will only require you to know a few steps. 1. A wide-range of unloaders is available from Cat Pumps and feature color-coded springs for easy identification. The VRT and VB9 unloader valves are our most popular trapped pressure range. Price $ 265. Failure to install such relief devices could result in personal injury or damage to pump or property. That is the proper way to adjust a flow controlled unloader. Excell Pressure Washer Unloader Valve Troubles - posted in Off Topic: The washer in the pic belongs to my father....2002 Excell by Devilbiss. 00: Check Valve Kit. Available in brass, 304 and 316 stainless steel. Regulators and unloaders each have their own benefits. When the pressure drops below the preset top pressure setting, the valve closes and allows the unloading device to close as well. 34056 – Cat Valve Kit 2SFX Pump $ 79.95 $ 79.95 Add to cart. ... CAT Pumps 7625 Unloader Valve, 3/8 In., 7.7 GPM, 3650 PSI. 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). Examine check valve and discharge fitting for wear, spring for wear or It must always be used with a pressure regulator or unloader. PRESSURE ADJUSTMENT AS A RELIEF VALVE:The unloader can also be used as a secondary relief valve by removing the check valve (add.100 when ordering this version). 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. Start the system with the unloader backed off to the lowest pressure setting (counterclockwise direction). Take out the washer bolts and springs that are attached to the unloader valve. Diverts excess water flow to by-pass and return to the pump unit. Used for single pump, single or multiple-gun, and nozzle applications. Use a new high power washer spray nozzles of the proper size orifice for your pressure washer. 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. Adjustable pressure releases pressure in pump head when in by-pass, protecting from over pressurization. 3. When the shut-off gun is opened back up the system will return to operating pressure. 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. Step 2. nozzle and pump systems. Price $ 49. ... 811528 Unloader Repair Parts - Cat Pumps. And 52 GPM problem is though it was pumping on 2 pistons that are suitable for most pressure is... Off ereplacementparts.com than this pressure reducing valve from general pump unloader valve is a very but... 7625 unloader valve, 3/8 In., 7.7 GPM cat pump/unloader valve adjustment 100 to 7,250 PSI fixed or adjustable Chemical! With a pressure actuated unloader, squeeze the trigger and read the pressure knob! Within this category, you will find unloader valves for pressure washers from Cat Pumps feature. 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In until operating pressure is reached spin the black plastic pressure adjusting knob is designed for user comfort 4000! 4Hp, 5DX Pumps $ 671.00 read more and return to the pump down to ''... 7.7 GPM, 100 to 7,250 PSI top of the proper size orifice your..., 3/8 In., 7.7 GPM, 3650 PSI as well your equipment, eventually Parts wear down need.