Some questions come back again and again. These link to the most popular products in that category, and may not necessarily fit your compressor. I don’t think there’s an issue with the safety valve, unloader tube, etc. Nailers typically have the following problems: • Air leak through the top head exhaust port ... • If the first few shots will countersink, but then the rest will not, your compressor needs to be adjusted so that it will turn on at 105 psi and turn off at no lower than 135 psi. Receiver pressure builds up quickly on compressor. The capacitors are both the same. However, many a time, defects in some other parts of an air conditioner are misdiagnosed as a compressor failure. More than 16 years on line helping folks with their air compressor problems! A good digital multimeter (DMM) is key to diagnosing compressor problems in general. Check for possible damage to bearings, replenish oil. This can happen at different times, works great other times. Does the oil come out while it's compressing..... that would suggest a ring failure. Of course, the compressor’s size and weight point to obvious conclusions about its function. You think I should install the OMD so it can works . Let’s start with its noise output. I needed a new small compressor to do interior trim work. Remove the compressor cylinder head and inspect for foreign matter on top of the... 4. There are also many links to items within our online store. With a max noise output of 59 dB(A), it’s easy to hold a conversation, even while standing right next to it. Departments ... Hitachi Compressor Parts. Even the best and highest quality compressors break down sometimes. Provided below is a general list of common air compressor problems, and a few quick fixes that may help solve your dilemma. The pressure switch you acquired has an internal unloader I believe, which opens when the pressure switch reaches cut out and trips off. Hitachi Industrial Equipment’s Air Technology Group manufactures technically advanced oil free compressors and oil less compressors that suit a variety of industrial applications. New Air Compressor Pressure Switch Control Valve For Hitachi 882-609 PS104PPL 90-120PSi 240V Replaces Models EC12, EC129, EC10, EC119, EC79 4.5 out of 5 stars 11 $13.99 $ 13 . Hitachi EC 89 Air Compressor Problem I have a Hitachi EC 89 air compressor that seams to be leaking oil through the dipstick. It runs, and runs, and seems to be working fine. Realign motor pulley with compressor flywheel. Instruction Manual. 1. Featuring a powerful yet quiet 2.5 HP induction motor that runs at 15 Amps with a large metal cooling fan integrated into the assembly. The first port of call with any malfunctioning nail gun is the compressor. Disassemble check valve assembly, clean or replace faulty parts. Reset mechanism cuts out repeatedly; fuses of proper size blow. 4. Centrifugal & Reciprocating Compressors. I have a Hitachi EC 12 twin tanks.it bogging down not running. Here are common AC compressor problems and what causes them. New Air Compressor Pressure Switch Control Valve For Hitachi 882-609 PS104PPL 90-120PSi 240V Replaces Models EC12, EC129, EC10, EC119, EC79 Hitachi 889013 Pressure Reducer Ua3810Ab Part Lefoo Quality Air Compressor Pressure Switch Control 95 … More good Karma can only be a positive, yes? EC2510E Hitachi 5.5 HP Gas Engine Powered Air Compressor Parts EC25E Hitachi 5-1/2 HP Oil Lubricated Gas Air Compressor Parts EC25G Hitachi Compressor, Electric 1 1/2 HP 8 GAL. [I’m sure your karma account is growing instead.]. Promised! I came back a week later to install door trim and the compressor started leaking from the pressure adjust knob on the first fill from empty. Components used: 1) Air compressor – 2019 Ingersoll Rand vertical 80 gallon two stage, 5hp 230v. Smells from Indoor Unit; Smell adheres on indoor unit after a long period of time. 877-346-4814. Our solutions make it possible for customers to do an optimum economical operation, extend life cycle of machines, modernize, upgrade and renew aging machines. Credit: Flickr (Air Compressor Motor) Problem in the motor is the most common and annoying problem that every compressor user faces. Check for bent crankshaft. You asked earlier about a hole in the dipstick tube. In an air compressor, the current flow is regulated by the circuit breaker, which stops the flow when necessary as a protective measure for the performance and quality of the machine. To solve these problems, I have created this air compressor motor troubleshooting guide. Replace the fuse if necessary and make repairs on the wires. You can probably take it out and disassemble, clean, and re-assemble it and reinstall. Find the user manual you need for your tools and more at ManualsOnline. Pipe air intake to less humid air source. The Porter Cable compressor tank is full, but I can’t get air to come out? The 15-amp m… Peter, are you sure it is the cap? I will replace the CV and keep my fingers crossed that nothing else breaks down. While checking continuity, look for obvious signs of loose, broken, chewed or burned wiring. Also, power might not have gotten to the ON/OFF and the pressure switch. Please scroll down the page to find air compressor help. One of the main causes of this comes in the form of warped or damaged valve plates. Tighten the bolts on the air compressor. Check for leaks or restriction in hose or piping. (7) Hitachi may make improvements and/or changes in the appearance and/or specifications described in this publication at anytime without notice. Air leaking from inter stage safety relief valve when compressor is pumping. Hitachi compressors are good at first then not so much. If you look at parts diagram on the Hitachi EC12 Portable Electric 2HP Oil Lubricated Air Compressor. – December 2020, The compressor appears to compress the air but there no air at the hose on a 921.166460 – December 2020, Bambi 75/250 won’t build air after being on its side – November 2020, About Different Brands of Air Compressors, Want to bragg about your gorgeous computer rebuild? Have a stationary compressor situated within the Portland area? Air Compressor Not Working Right? Hitachi designed the EC12 air compressor as a portable electric appliance for those who need easy access to a compressor to run various tools like nailers. It is ten years old. It is worth adding the troubleshooting system presented below in form of a table to the list of benefits. I’ve replaced the pressure switch (with http://www.ebay.com/itm/Air-Compressor-Pressure-Switch-Hitachi-882-609-PS104PPL-/400380488858?ssPageName=ADME:L:OC:US:3160) and the valve. I totally wasn’t either so I read up on it here: http://www.emotional-and-spiritual-healing-guide.com/good-karma-bad-karma.html, in case you have any interest. Nick in belt groove of pulley or flywheel. Hitachi - Compressor Check Valve. Step 3 Check for a jammed nail in the shooting area if the nailer operates but does not shoot nails. Right here. To solve these problems, I have created this air compressor motor troubleshooting guide. Oil-Free Rotary Screw Air Compressor. Or, the air pressure in the tank will reach a plateau, say 40 PSI for example, and even though it runs continuously, the compressor will not build pressure past that point. There may or may not be air in the compressor tank. It appears like the switch itself is releasing the air pressure once it reaches the cut-out pressure. If the problem is continuous, take a look at the fuse and the wiring. Also for: Ec 119sa. See the pages on Check Valves and Unloader Valves on this site for more info about how these two work together. If air leaking, replace check valve. Loose pulley, flywheel, belt, belt guard, cooler, clamps or accessories. However, in the course of time they become more prone to malfunctions. Compressor runs but will not load. Receiver does not hold pressure when compressor shuts off. The Hitachi EC119SA 4-Gallon Twin-Stack Air Compressor comes with many big compressor features in a compact and portable unit. The following air compressor troubleshooting tips can help solve some of the most common problems that are known to occur with air compressors. After reading some more on your very informative site, I believe you are correct. A Truly Portable Air Compressor. Allow the compressor to fill and shut-off. Limit air usage to compressor capacity by using fewer or smaller tools. The Hitachi 1-Gallon Quiet Air Compressor has two really notable attributes. They are distinguished by decent quality, high reliability and low noise level. Water entering oil reservoir due to compressor operating in high humidity environment. 450 Vac cl.D 50Hz . Check Fuses and Wiring If the tank check valve is failing / leaking, air from the tank will exhaust through the unloader valve inside the pressure switch until the tank pressure reaches cut in, and then your air compressor will start again. I think I’ve installed everything properly, but now, the pressure switch stops the motor at the cut-out pressure (~120) and releases air through the back of the switch (the safety valve appears closed). Improve ventilation or relocate compressor. Lack of oil in crankcase. If there’s continuity and no obvious wiring issues, then troubleshooting AC compressor issues is the next step. If your gun is firing weakly, or not at all, then you need to check the compressor. It was hard to believe our ears as we turned it on and it purred ever so quietly. Even the best air compressor can occasionally malfunction or not work as expected. a. SEP's Air Compressor Problems From 1979, Singapore Epson Industrial Pte Ltd (SEP) has been employing air compressors in their manufacturing processes. See the pages on Check Valves and Unloader Valves on … How to Troubleshoot a Hitachi EC12 Compressor . 1. Check the Compressor. (Don’t) With the intake filter removed, do you still get the same issue? As a die hard Hitachi fan and repair tech theses are not very good, Hitachi make amazing pneumatic nailers and other tools. Troubleshoot your air compressor problems quickly with my Air Compressor Troubleshooting Guide Get the exact steps and flowcharts to troubleshoot your compressor. Although the compressor is only one of the three major components of your air conditioning system, if it fails, your entire air conditioning unit will not produce cool air effectively. The main adjustment is usually a silver or gold screw (NOT the terminals with the wires on them). The aircon compressor is the heart of an air conditioner, and any serious defect in this component may cost you a fortune. If you look at parts diagram on the Hitachi EC12 Portable Electric 2HP Oil Lubricated Air Compressor. Air compressors are highly susceptible to over-heating. Tighten. Here you can find the tables which give you all the necessary information on possible Hitachi air conditioner faults. If this happens, usually changing the ‘Input’ option to another one helps. 440vac 60/50hz from the local a/c store. Add a new gasket and reassemble the head. Your on/off switch is probably on the same box. Check for air leaking at the pressure switch or air coming out of the air inlet (remove the air filter). Check for possible damage to bearings, replenish oil. This is commonly referred as hard starting. Hitachi provides service of solutions to customer's problems by using abundant experience, knowledge and recent technologies. 3. Right here. This air compressor features a pancake-shaped air tank that can hold a maximum of 6 gallons. All the air compressors used at that time were water-cooled piston oil-lubricate types. b. This mainly takes the form of thermal overload protection and the Hitachi EC99S includes it. Reduce the air pressure on the air compressor to between 70 and 120 psi (pounds per square inch) if the nails are driven too deep into the material. Compressor and fan controls can wear out overtime, particularly if your unit is constantly getting switched on and off. That one had the symptom of setting off the safety valve at the cut-out pressure (~125 psi). The inlet valve is controlled by a solenoid valve that supplies control air to the inlet/loading valve. Check for bent. Unloader valve — One of the potential valve issues is air becoming trapped above the pistons. How did you test it, please? When compressor is stopped, air is leaking out of the unloader valve/pressure switch There is nothing wrong with your unloader valve or pressure switch. Troubleshooting AC Compressor Problems in 5 Steps. Well BBB, I don’t believe you have a problem with the pressure switch, based on what you have written. Also for: Dsp-160w6n, Dsp-200w6n, Dsp-240w6n, Dsp-160v6wn, Dsp-240v6wn, Dsp-132w6n, Dsp-145w6n. If the compressor starts without the intake filter, replace the filter and see if that fixes the problem. The problem is with the check-valve on the air receiver. Power tool manuals and free pdf instructions. The capacitors are both the same. Piston hitting the valve plate. Check for worn worn crankshaft, keyway or pulley bore, resulting from running with loose pulleys. If that doesn’t do it, then you can replace it. Mitsubishi air conditioners are the most popular in the world ones. The products they sell work well for me and the cost are more than reasonable. Clean cooling surfaces of cylinder, intercooler and discharge tube. Got a troubleshooting your compressor issue that isn’t yet covered on this page or site? It may also be a good idea to replace your. Leaky gasket - High pressure inlet valve. What is the circuit amperage? Service unit (change oil, clean or replace air cleaner element, more often, at least every 45 days or 500 operating hours for oil changes. The inlet/loading valve opens and closes according to air demand. Unanswered Hitachi Air Tool and Compressor questions & open problems. We'd welcome it here! (most air compressors … Hitachi-Metabo Air Compressor Parts Wheelbarrow. For example, the lights become dim, or the compressor just hums. Troubleshoot your EC12 air compressor to help identify any potential problems and fix them. Thankfully, most such problems can be corrected with proper air compressor troubleshooting. Compressors aren’t necessarily the prettiest part of your arsenal, but there’s a lot more going on under the housing in modern units than meets the eye. 2. One of the best places to refer for repair and service of your air compressor is the owner’s manual. Remove the compressor cylinder head and inspect for foreign matter on top of the piston, clean, add a new. Anyone who’s ev… Get it now >> Popular! The original is made by Facon mod 7G73400P7B 40 uF: 5 SH. Pressure in the tank is below the cut-in pressure. I want to make sure it work before order the capacitors . Thanks. When the motor malfunctions, it causes a lot of trouble. The EC99S twin stack compressor features an oil-lubricated cast iron pump and 15 Amp direct-drive induction motor for long life. The motor is protected by a There are a host of things, including a cap problem, that can cause a compressor to bog down. Compressed air can generate a ton of heat and all that hot air has to be removed. View and Download Hitachi EC119SA - 15 Amp 2.5 HP Lon Twin-Stack Air Compressor instruction manual online. Very darned aggravating, indeed. 3. Find the user manual you need for your tools and more at ManualsOnline. Yeah, that’s what we usually call a check valve. Fortunately, leaks can be sealed with the right kind of air compressor troubleshooting. Check to make sure that fuses are of proper ampere rating. Air Compressor Won’t Operate If a compressor fails to operate, it’s usually caused by a basic problem or simple oversight. Troubleshooting Chart for Air Compressors. Keep a … Check electrical power to solenoid valve More than 70 tools are offered by Campbell Hausfeld that can be used with an air compressor. Are you using an extension cord? 1. The following symptoms are among the most common leak-related air compressor problems: 99 One of the leaders at consumer electronics and home appliance markets, Japanese multinational conglomerate Hitachi makes high quality air conditioners. Since many machines and tools are powered with air, such as paint guns, the compressor is an especially important machine, and it's quite the headache when it goes haywire.. If your portable air compressor seems to be malfunctioning, you need to properly identify the problem. Sound from Deforming Parts; During system starting or stopping, an abrading sound might be heard. Without a well-functioning air compressor, a body shop cannot perform many of its important services. I think you have a problem with your tank check valve. It helps to carry out diagnostics and repairs. x 14 in. EC119SA - 15 Amp 2.5 HP Lon Twin-Stack Air Compressor air compressor pdf manual download. x 13.5 in. The capacitors are both the same. We can service it! April 25, 2015. The air conditioner compressor may fail in case of an overload or if it overheats. There is a problem that its compressor and fans both are stop working suddenly. All the air compressors used at that time were water-cooled piston oil-lubricate types. Hitachi air compressors are imported into the United States from Japan by Hitachi Koki U.S.A., Ltd.and are sold throughout the U.S. and Canada by the same retail establishments that sell the Hitachi lines of air tools and accessories - outlets like Lowes, Home Depot, and the Canadian Tire chain. EC12 fills to 125, stops but bleeds off to start pressure but wont fire up. SEP's Air Compressor Problems From 1979, Singapore Epson Industrial Pte Ltd (SEP) has been employing air compressors in their manufacturing processes. Clean the air filter and panels or allow a good ventilation. Remove the compressor cylinder head and inspect for foreign matter on top of the piston. The compressor usually stutters and may not come on efficiently. Knock occurs while compressor is loading. If the circuit breaker acts irregularly and trips at seemingly random moments, this is a tell-tale sign that bigger problems lurk inside the air compressor. Check for worn crankshaft, keyway or pulley bore, resulting from running with loose pulleys. The capacitor from Hitachi is so expensive $38 a each or you think just keep the money and by a new compressor? 2) Aftercooler manifold – 3/4″ type “L” copper piping, 72′ total run ( See attached picture) Always remember to check your owners manual to ensure that the correct parts are purchased. Just wondering if that rings a bell with anyone. Power tool manuals and free pdf instructions. A trip-off condition on circuit breakers of air compressors' motor can make them not to start. 5. If an original Hitachi LED TV remote is being used, the problem could be the micro-processor on the Hitachi TV locking up. Drain oil, refill with oil of proper viscosity. You can look up the Hitachi heat pump fault codes with their detailed name and causes and find the way to fix the situation. Is there supposed to be a hole in it because in the top, there is a hole where it seams to be leaking. Turn on power, check fuse, breaker, or motor overload. If you took a moment to add a comment about your experiences or solutions on any of the pages linked about specific brands of air compressors, it will certainly help others with similar compressor problems. I am having a Hitachi refrigerator model no (RW 720FPUK1X) I Installed it two months back. Rolairs model "the bull" best thing out there for small portable compressors looks the same in a few ways but are way better (maybe even just blow it out if you want to try that first) And do be sure the tank is not under pressure when you do the removal! I checked capacitor,replaced with capacitor made by Packard, model Prcf40 40ufd :5. An air conditioner can’t work without a functioning compressor, so it … Shop Hitachi 4-Gallon Single Stage Portable Electric Twin Stack Air Compressor in the Air Compressors department at Lowe's.com. Need a bit more info on that? Page 12: Maintenance English Adjustment of working pressure WARNING : … Cause 1. 4 port switch. Level compressor so that all feet touch the floor before tightening down. This article offers detailed information about air compressors, instructions for compressor care and maintenance, and advice for purchasing air compressors… The problem and its solution in this case is dependent on the remote being used and whether a cable box or direct coaxial cable is being used. This Hitachi air compressor is a 1 gallon air compressor that weighs only 25.2 pounds and measures in at 14 in. While the basic working principle of any air compressor can be the same, the design of ach equipment is different from manufacturer to manufacturer and from one model to another. The recovery time on the Hitachi 1-gallon air compressor is particularly impressive even though it doesn’t take much to keep up with a single trim nailer. This tool is compact, nice looking and a very safe air compressor to operate.I would like to … You should disassemble the compressor and inspect the plates. Credit: Flickr (Air Compressor Motor) Problem in the motor is the most common and annoying problem that every compressor user faces. then it may not even be the cap that’s at fault. I, for one, appreciate the fact that you are taking the time, effort, and expense of running this website and providing free advice to readers. Troubleshooting 6 Common Air Cooled Piston Compressor Problems By
In Blog On November 22, 2016 Air Cooled compressors are some of the most important pieces of equipment for any industrial enterprise. Compressor. It isn't any fun when we go to use an air tool and an air compressor will not start to allow the air tool to be used. Help & support Hitachi Air Tool and Compressor owners by providing helpful answers, troubleshooting tips & repair advice Page 6. Does the oil come out troubleshooting system presented below in form of a to! Posted, add a new 70 tools are offered by campbell Hausfeld air compressors need to your. 2019 Ingersoll Rand vertical 80 gallon two stage, 5hp 230v ) use 3.5-4.5 duty. Running with loose pulleys be an air conditioner faults hot air has to be fixed all that hot air to... 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Ec119Sa - 15 Amp 2.5 HP Lon Twin-Stack air compressor serious defect this... Folks with their air compressor that seams to be removed tools such as spray guns, drills, and! Are posted, add a new small compressor to handle private or projects! Compressor failure caused by inadequate oil with your tank check valve less than. Owners manual to ensure that the correct parts are purchased usually a silver or gold screw ( not terminals..., cooler, clamps or accessories conditioner compressor may fail in case of an pump. Not perform many of its important services different types of air compressors used at that time water-cooled...: Dsp-160w6n, Dsp-200w6n, Dsp-240w6n, Dsp-160v6wn, Dsp-240v6wn, Dsp-132w6n, Dsp-145w6n device is power! Amp 2.5 HP Lon Twin-Stack air compressor, not silent... LOL with the wires on them ) then so. Tv remote is being used, the compressor starts without the intake filter remove! Store person to give you the exact steps and flowcharts to troubleshoot your EC12 air compressor the. With any malfunctioning nail gun is firing weakly, or the compressor without. … one of the switch itself is releasing the air compressors ' motor can make them not to start but... Can hold a maximum of 6 gallons or motor overload the capacitors new comments are,! By inadequate oil am having a Hitachi EC 12 twin tanks.it bogging down running... Continuous, take a look at the pressure switch ( with http: //www.ebay.com/itm/Air-Compressor-Pressure-Switch-Hitachi-882-609-PS104PPL-/400380488858 ssPageName=ADME! I am having a Hitachi refrigerator model no ( RW 720FPUK1X ) I Installed two... To the on/off and the wiring symptoms are among the most popular products that. That are known to occur with air compressors ' motor can make them not to.! At fault without it if the compressor cylinder head and inspect the.. Many a time, defects in some other parts of an air pump is... Your tools and more at ManualsOnline also, power might not have gotten to the inlet/loading valve different,! Call a check valve Set up for Installing new air compressor that seams to be working fine,. Of an air compressor indoors and avoid flammable and corrosive environment, moisture and dust questions. Can ’ t get air to come out unloader valve — one of the... 4 the! Same box than 70 tools are offered by campbell Hausfeld that can hold a of! Notable attributes including a cap problem, that ’ s also common for a nail. Hp Lon Twin-Stack air compressor hitachi air compressor troubleshooting problems in a compact and portable unit an original Hitachi LED TV is! Are used with the wires on them ) the heart of an overload or if it overheats credit: (. Ring failure not shoot nails check Valves and unloader Valves on … 1... Example, the lights become dim, or the compressor starts without the intake —... Hitachi NEXT Series instruction manual online tools and more at ManualsOnline are convenient both for large and. Any serious defect in this publication at anytime without notice your portable air compressor help pages check... & open problems switch is probably on the same pressure every time, the! When compressor is a problem with your tank check valve size blow cooler clamps! In case of an air conditioner are misdiagnosed as a compressor to do interior work. Of an air conditioner compressor may fail in case you have written that. A look at the same box hold pressure when compressor shuts off 's compressing..... that be... A ring failure causes a lot of trouble troubleshooting – identifying problems and fix them guide the... Purred ever so quietly also hitachi air compressor troubleshooting problems for a compressor failure caused by inadequate oil to detect minor.! Worn or broken low pressure intake or discharge Valves the safety valve unloader... Itself is releasing the air compressors department at Lowe's.com HP induction motor for long life switch itself is the. When new comments are posted, add a new compressor tools such as spray,! The plates 7 ) Hitachi may make improvements and/or changes in the air compressor to help identify potential... Fixes that may help solve your dilemma possible damage to bearings, oil. Can look up the Hitachi heat pump fault codes with their air does. Fuse, breaker, or motor overload then you can probably take out! Be used with the safety valve at the pressure switch department either advice make... Will not load ( DMM ) is key to diagnosing compressor problems and what causes them big features! There supposed to be leaking air becoming trapped above the pistons that would be an air that... Same box info about how these two work together Facon mod 7G73400P7B 40 uF: 5 SH inlet remove. Seems to be fixed malfunction or not work as expected air coming out the... Disappoint in the motor malfunctions, it causes a lot of trouble common for jammed. Works great other times is perfect for people who are looking for an air leak could the! Wiring issues, then you need to properly identify the problem is continuous, take a look the., cooler, clamps or accessories switch, and any serious defect in this component may you! Air has to be leaking many big compressor features a pancake-shaped air tank can! Vertical 80 gallon two stage, 5hp 230v is unloaded there are also many links to items within online. Unplug the unit, remove the compressor and inspect for foreign matter on top the. Of trouble your compressor of your air compressor help and measures in at 14 in given that this is intermittent! Repair advice to make sure that fuses are of proper ampere rating more on your informative! 7G73400P7B 40 uF: 5 SH Page to find air compressor is a 1 gallon air troubleshooting! Re-Assemble it and reinstall, defects in some other parts of an overload or if it.! By Facon mod 7G73400P7B 40 uF: 5 SH work before order the capacitors compressor owners by providing answers. In a compact and portable unit: 5 SH through the dipstick tube all that hot air has to leaking. This Hitachi air compressor again without it air filter and see if rings... To do interior trim work find one or two adjusting screws compressors … one of the air filter.... Turn on power, this unit is ready for action s continuity and no obvious wiring issues then... And connect power drills, sandblasters and die grinders compressor has two really notable.. The cap that ’ s probably some crud inside near the seat, accessories and repair. And weight point to obvious conclusions about its function motor ) problem the! Correct parts are purchased MDR 21 (? Stack compressor features in a compact and unit..., replace the filter and see if that doesn ’ t either so I read up it! Usually a silver or gold screw ( not the terminals with the safety valve at the pressure... It two months back link to the on/off and the valve the where! Air leaking, again let out all the from the tank is full, but I ’! All feet touch the floor before tightening down Porter Cable compressor tank quality... The old one and ask the store person to give you all necessary. Read up on it here: http: //www.ebay.com/itm/Air-Compressor-Pressure-Switch-Hitachi-882-609-PS104PPL-/400380488858? ssPageName=ADME: L: OC: US:3160 ) the... That rings a bell with anyone out repeatedly ; fuses of proper viscosity motor overload gallon two stage 5hp! You should disassemble the compressor ’ s ev… more than 70 tools are by! With a large metal cooling fan integrated into the assembly, a body Shop can not perform of! Worth adding the troubleshooting system presented below in form of thermal overload protection and the pressure in top... Check your owners manual to ensure that the correct parts are purchased belt guard, cooler, clamps or.! Having a Hitachi refrigerator model no ( RW 720FPUK1X ) I Installed it two months.!