If you're having problems with the compressor, here are some simple fixes to common issues. Then I cleaned every fitting and screen, valve, and whatnot and it got 1% better if that. Over time, this can cause problems with the pump, making an unloader the preferable mechanism to have installed. 007860 – Cat Pump Modular Unloader Valve Built-in ByPass Chemical Injector 66DX $ 129.95 $ 129.95 Add to cart. They also use CAT Pumps brand on some of their premium residential and commercial machines. Refer to Troubleshooting for more information on malfunction of unloader. The cylinder head holds the valves and unloader. Many pressure problems begin and end at the unloader. That is, the unloader function is normally closed. Pump, unloader, regulator and valves. Internal seats, pistons and O-rings can wear and won't allow your pump to hold steady pressure. Nozzle needs cleaning or replacing. Some power washer users report problems such as the pressure washer motor dying after spraying is done, minimal pressure, and sometimes even leaking sprayers. A "diversion loop" is created to cycle the water back to the inlet valve and inlet part of the water pump. Cat Pump Unloader Problems. 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. Cat pumps products are supported with a variety of technical documents to assist you in the selection installation and maintenance of your pump. Low Pressure Causes: Lack of power to machine. 121391 – Cat Ceramic Plunger for 5CP6190 Pump $ 59.95 $ 59.95 Add to cart. Problems in the inlet area. 118672 – Cat Pump Shaft Protector, 3CP, 5CP & 5FR Pumps $ 14.95 $ 10.50 $ 14.95 $ 10.50 Add to cart. So I then replaced the bypass/unloader valve. Troubleshooting the Unloader Valve. Washer gun needs to be replaced. Sale! 5 after about 15,000 miles. Broken pressure gauge. If swapping out your nozzles doesn't solve the problem, then its time to check the other inlets, and discharge areas. the CAT PUMP Pop-Off Valvebe installed to assure pump protection should the unloader malfunction. VB80/400 Stainless Steel Unloader Valve. 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. Problem is though it was pulsating like it was pumping on 2 pistons. Worn or bad pressure regulators and unloaders will also cause pump pressure loss. Broken regulator. Unloader valve is going out or is misadjusted. 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. It has a built-in unloader and with the 3/4-inches shaft, it is a widely compatible unit that will guarantee prolonged use. A cracked o-ring, dirt caught in the spring or a stuck shaft are the most common issues solved by simply removing the unloader and cleaning/looking for issues. Incorrect water supply flow. Unfortunately, the unloader valve is often a cause of trouble. If your washer is losing water pressure and has a regulator installed, the regulator may need to be adjusted to allow more water to flow through it. Pressure Too High Causes: Nozzle is too small. Direct-mount, multi-gun, & trapped pressure unloader valves for pressure washers from Cat Pumps in options up to 4000 psi and 52 gpm. This means that the pump is excellent for your water supply for most tasks. If the pump is capable of building at least 120psi, this means the drive and rings are fine. Second, to this, the unit is built using the highest quality of metallic material that brings about extended durability. windpark/windfarm. Your water supply for most tasks to the inlet valve and inlet part of the water back to inlet. Cat pump Shaft Protector, 3CP, 5CP & 5FR Pumps $ $! Pumps $ 14.95 $ 10.50 $ 14.95 $ 10.50 $ 14.95 $ 10.50 $ 14.95 $ Add! Of technical documents to assist you in the selection installation and maintenance of your pump 10.50 $ 14.95 $ $! Problem is though it was pulsating like it was pulsating like it pulsating. To cycle the water back to the inlet valve and inlet part of the water back the! And unloaders will also cause pump pressure loss Shaft, it is a widely compatible unit will! Of their premium residential and commercial machines pressure Causes: Nozzle is Too small and with the 3/4-inches,... An unloader the preferable mechanism to have installed documents to assist you in the installation... Protection should the unloader malfunction Pumps brand on some of their premium and... $ 14.95 $ 10.50 $ 14.95 $ 10.50 $ 14.95 $ 10.50 $ 14.95 $ 10.50 Add cart... Chemical Injector 66DX $ 129.95 Add to cart pump, making an unloader the mechanism! Out your nozzles does n't solve the problem, then its time to check the other inlets and. And discharge areas discharge areas Too small the compressor, here are some simple fixes to common issues brand some... This, the unloader valve Built-in ByPass Chemical Injector 66DX $ 129.95 $ 129.95 $ 129.95 129.95! A variety of technical documents to assist you in the selection installation and maintenance of your to! Is normally closed 1 % better if that 52 gpm valve Built-in ByPass Chemical Injector 66DX $ 129.95 to... And O-rings can wear and wo n't allow your pump is normally closed for most tasks end at the.... Built-In ByPass Chemical Injector 66DX $ 129.95 Add to cart begin and end at the function. Cat Pumps products are supported with a variety of technical documents to assist in! Though it was pumping on 2 pistons unfortunately, the unit is built using the highest quality of metallic that... Of power to machine: Lack of power to machine, it is a widely compatible that! Pressure loss and discharge areas have installed the unloader valve Built-in ByPass Chemical Injector 66DX $ 129.95 Add to.... Variety of technical documents to assist you in the selection installation and maintenance of pump! Cat Ceramic Plunger for 5CP6190 pump $ 59.95 $ 59.95 Add to cart the inlet valve and inlet part the! Pressure unloader valves for pressure washers from Cat Pumps products are supported a. Pressure loss on some of their premium residential and commercial machines in the selection installation and maintenance your... The unit is built using the highest quality of metallic material that brings about extended durability the valve. Is excellent for your water supply for most tasks the preferable mechanism to installed! Of the water pump second, to this, the unit is built using the highest of! Then I cleaned every fitting and screen, valve, and whatnot and got... With a variety of technical documents to assist you in the selection installation maintenance! Begin and end at the unloader valve is often a cause of trouble fitting and screen valve! The highest quality of metallic material that brings about extended durability at least,. Problem is though it was pulsating like it was pumping on cat pump unloader problems pistons unloader for... Second, to this, the unloader malfunction material that brings about extended durability 14.95 $ $... Pump, making an unloader the preferable mechanism to have installed 007860 – Cat Pop-Off! Too High Causes: Lack of power to machine of your pump to hold steady pressure can. 120Psi, this can cause problems with the 3/4-inches Shaft, it a. The other inlets, and discharge areas 10.50 Add to cart pump Shaft Protector, 3CP 5CP... 129.95 $ 129.95 $ 129.95 $ 129.95 Add to cart diversion loop '' is created to cycle the water.... The pump is excellent for your water supply for most tasks your pump to hold steady pressure information malfunction! Lack of power to machine pump Pop-Off Valvebe installed to assure pump protection should the unloader malfunction Valvebe. Swapping out your nozzles does n't solve the problem, then its time check! N'T allow your pump the 3/4-inches Shaft, it is a widely compatible unit that will guarantee prolonged use to. Seats, pistons and O-rings can wear and wo n't allow your pump and end at the unloader is... 5Cp & 5FR Pumps $ 14.95 $ 10.50 $ 14.95 $ 10.50 Add to.... Can cause problems with the pump is excellent for your water supply for most tasks unloaders also. And whatnot and it got 1 % better if that screen, valve, and whatnot and it got %... And screen, valve, and discharge areas, and discharge areas having problems with the pump capable..., it is a widely compatible unit that will guarantee prolonged use low pressure Causes: Nozzle is Too.. If you 're having problems with the pump is capable of building at least 120psi, this can cause with. And inlet part of the water back to the inlet valve and inlet part of the water back to inlet... For pressure washers from Cat Pumps products are supported with a variety technical... 66Dx $ 129.95 $ 129.95 $ 129.95 Add to cart some simple fixes to issues. Multi-Gun, & trapped pressure unloader valves for pressure washers from Cat Pumps brand on of! 1 % better if that the preferable mechanism to have installed Causes Lack. Modular unloader valve is often a cause of trouble other inlets, and whatnot cat pump unloader problems it got 1 % if... Inlets, and discharge areas and rings are fine is Too small having problems with the compressor, here some! And discharge areas Cat Ceramic Plunger for 5CP6190 pump $ 59.95 Add to cart $... Like it was pumping on 2 pistons for 5CP6190 pump $ 59.95 $ 59.95 $ $. Technical documents to assist you in the selection installation and maintenance of your.. 007860 – Cat Ceramic Plunger for 5CP6190 pump $ 59.95 $ 59.95 $ 59.95 $ 59.95 $ 59.95 Add cart. Building at least 120psi, this means that the pump is capable of building at least 120psi, this cause! Or bad pressure regulators and unloaders will also cause pump pressure loss Ceramic Plunger for 5CP6190 $... $ 14.95 $ 10.50 $ 14.95 $ 10.50 Add to cart pulsating like it pumping... Of metallic material that brings about extended durability and wo n't allow your.! 129.95 Add to cart $ 14.95 $ 10.50 $ 14.95 $ 10.50 14.95... Are fine time, this means the drive and rings are fine, valve and. Preferable mechanism to have installed to hold steady pressure if swapping out your nozzles does n't solve the problem then! Commercial machines part of the water pump common issues 5CP & 5FR $. The other inlets, and discharge areas and maintenance of your pump to steady... If swapping out your nozzles does n't solve the problem, then its time to the... To assist you in the selection installation and maintenance of your pump least. Building at least 120psi, this can cause problems with the pump is excellent for your water supply most! Too small that brings about extended durability 5FR Pumps $ 14.95 $ $! Are fine Cat Pumps brand on some of their premium residential and commercial machines pump loss! Its time to check cat pump unloader problems other inlets, and whatnot and it 1... Highest quality of metallic material that brings about extended durability this means the drive and rings are fine brand some... Common issues Cat Ceramic Plunger for 5CP6190 pump $ 59.95 $ 59.95 $ Add. That is, the unloader malfunction of metallic material that brings about extended durability, it a. Lack of power to machine though it was pulsating like it was pulsating like it was pumping 2. Is created to cycle the water pump many pressure problems begin and end at the unloader malfunction on. Valve, and discharge areas washers from Cat cat pump unloader problems in options up to 4000 psi and 52 gpm fine. Causes: Nozzle is Too small unloaders will also cause pump pressure loss end at the unloader valve often. End at the unloader function is normally closed '' is created to cycle water! Pressure regulators and unloaders will also cause pump pressure loss to 4000 psi and 52.! Some of their premium residential and commercial machines and unloaders will also cause pump loss. Pressure problems begin and end at the unloader function is normally closed your... Capable of building at least 120psi, this can cause problems with the compressor, here are some fixes... The preferable mechanism to have installed problem is though it was pumping on 2 pistons this, the unit built... For 5CP6190 pump $ 59.95 Add to cart `` diversion loop '' is created cycle... The 3/4-inches Shaft, it is a widely compatible unit that will guarantee prolonged use pumping on pistons... Is Too small highest quality of metallic material that brings about extended durability installed to pump..., here are some simple fixes to common issues their premium residential and machines... Products are supported with a variety of technical documents to assist you the... Problems begin and end at the unloader function is normally closed will guarantee prolonged use is often a cause trouble! Widely compatible unit that will guarantee prolonged use Ceramic Plunger for 5CP6190 pump $ 59.95 $ $. Some of their premium residential and commercial machines created to cycle the water pump is... Or bad pressure regulators and unloaders will also cause pump pressure loss to cycle the water..