how much poe oil to add to compressor
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Keep the refrigeration system closed except when work is actually being performed on the equipment. His thinking: "I... Last month we covered charging stations. Gut feeling would be trust the vehicle manufacutrer specs. My original service manual states that the factory compressor should have 10.5 oz of oil. stream
If you like please visit their website at Originalair.com or give them a call at 877-371-0570 and they should be able to help you out. I checked on the website for 4 seasons and they say to either : refer to factory manual, check the tag on the compressor. I am passed EPA Certificated esco universal technician.And I had 2 years experience for the hvac/r work.I want to know that Trane 3-Ds compressor (R-22)systems Alkylbenzene oil adding procedure detail.And I think they have access valve to use,not from the suction or discharge line.I am very appreciate your help. <>
I have a Original Air group in Tampa, Florida that would be able to help you out with that question. For large displacement compressors (TM43, TM55 and TM65), SE-55 POE oil may also be used. <>>>
Here at our Texas location we design and manufacture all the aftermarket systems. We use cookies to ensure that we give you the best experience on our website. We love ’em! 4 Proper procedures for maintaining low moisture content in POE oil. there are people out there that claim flushing is ineffective and just replace the orifice tube or expansion valve and condenser??? endobj
That could double the amountof oil in many cases and it becomes even more confusing when it says the specification for that compressor is 6 oz in the factory service manual – 8 total recommending 1 in the accumulator. The POE oil that is required for this system on Honda vehicles is not the same oil that is required for hybrids. <>
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No, I'm not talking about seeing Rocky meet up with Apollo... Can aftermarket air conditioning components improve on OEM design? Emerson Climate - CR34K6E-PFV-875 - 34,000 BTU, Hermetic Compressor, 208/230-1, POE Oil And #2 why doesnt everyone’s information match up? stream
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I have found the leak but, I want to know how to drain any remaining oil from the compressor and how much and what type of oil to refill. <>
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so where can I find a video of a full ac system flush, with chemicals and rinse ready to evacuate and charge? Once that is completed, lay the compressor down on the hub for 10 minutes to let the oil seep into and lubricate the front seals to prevent leaks on startup. If refrigerant oil did the same thing—that is, if it remained in the The total system oil capacity for many late model passenger car A/C systems is only about 4 ounces (120 ml). endstream
and use a PAG oil. %PDF-1.5
dryer, and 1 in the condemsor if flushed. If the system contains more than 20 pounds (9kg) of refrigerant, it is our recommendation to add one fluid ounce of oil for every 5 pounds (15 ml/kg) of … Dan is right-- POE oil is a great solvent. Factory original purists may balk, but sometimes original dashboard designs can be improved upon. The extensive experience gained with them is positive if the water content in the oil does not significantly exceed 100 ppm. charge. Have an AC compressor or other component question? is it safe and what to expect? 4 0 obj
When we convert from R12 (mineral oil) to R134a (POE oil), we get a crud-burst that lasts for days. Obviously size plays a part but Ive notived inconsistant recommendations/ specification among similar sized sytems some even with sma emodel compressors. Fortunately most people realize the harm to the system and potential danger of running an AC compressor with no oil. It seems 4 is a concensus among replacement comressor remanufacutrers; such as “drain the oild oil out of t he original compressor and put that much fresh oil in the compressor if it is more than 2 oz. crackertech assholiness * Sep 25, 2015 #5 Junior1983 said: R410A. Too much oil can hurt cooling performance. New 134a rotary compressors come with a full system charge of PAG oil, which is compatible only with 134a refrigerant. As stated above, it is important to fully evacuate your air conditioning system to assure that any contaminants have been removed before attaching a new compressor. This special POE oil is intended to be used with the J-45037 A/C oil injector and the GE-48997 A/C POE oil injector hose. <>
Once you have read the manual, you should be able to locate the oil sight glass on your compressor. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 960 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
If less than 2 oz of oil is drained from the original install 4 oz of fresh oil in the new compressor.” That is a significant difference. Do I Need To Add Oil To My Air Conditioning Compressor? But what about the refrigerant oil? The 2016 Pilot, Civic, and Fit EV are using R-1234yf. 14 0 obj
The biggest worry with a r410a system is how long you had it open to the atmosphere. I need to add oil to a compressor. 3. Gallon) [Add … stream
It has an oil port near crankcase heater Click to expand... Yep that's were the oil … endobj
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$.' Therefore, it is desirable to have no more than one percent mineral oil In all cases, Classic Auto Air customers receive a compressor that is fully charged WITH THE APPROPRIATE AMOUNT OIL. Most of the oil measured is less than 1 poise hence the smaller scale called centi-poise or 1/100 poise is commonly used. 196419651966196719681969 1970197119721973, 196619671968196919701971 197219731974197519761977 19781979, 195519561957195819591960 196119621963196419651966, 194819491950195119521953 195419561957195819591960 196119621963196419651966 196819691970197119721973 197419751976197719781979, 196719681969197019711972 197319741975197619771978, 195819591960196119621963 196419651966196719681969 197019711972197319741975 1976, 195519561957195819591960 196119621963196419651966 19671968, 195819591960196119621963 19641965196619671968, 196419651966196719681969 19701971197219731974, 194719481949195019511952 195319541955195619571958 195919601961196219631964 196519661967196819691970 197119721973197419751976 197719781979198019811982 19831984198519861987, 194719481949195019511952 195319541955195619571958 195919601961196219631964 196519661967196819691970 19711972, 196919701971197219731974 197519761977197819791980 198119821983198419851986 198719881989, 197719781979198019811982 198319841985198619871988 1989, 197519761977197819791980 19811982198319841985, 196119621963196419651966 196719681968196919701971 19721973 1974 1975, 196119621963196419651966 196719681968196919701971 1972197319741975, 195919601961196219631964 1965196619671968. For use with other refrigerants, TM compressors can also be bought oil-less so that system manufacturers may add oil of their own specification. endobj
In addition, we also rebuild compressors that customers send in. Make sure the oil sump heater is … We also have to change dehydrator cartridges very … Failure to ensure the system is contaminant free can cause your newly replaced compressor (and other components) to fail and void component warranty. I have a 1988 Toyota pickup 2.4L engine and I’m wondering what Type and weight of mineral oil the AC compressor should use. Thanks… Kevin. New, R12 Rotary compressors come with a full system charge of Mineral Oil, which is compatible only with R12 refrigerant. Do I have to replace the dryer and add oil before a vac and recharge? With the success of all of our D.E.R. If your compressor is going into a system that has previously been installed, it’s important to get as much of the original oil charge out of the system as possible to protect against an oil overcharge. endobj
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Thanks for the email. Add the correct amount of lubricant to the compressor. Compressor manufacturers charge the compressors with at least double the amount of oil required for a minimum, simply because oil travels with the refrigerant vapor and liquid. endobj
Just give us a call or send in a tech help request form. Nitrogen pressure test on Classic Auto Air Perfect Fit AC systems What determines how much oil should go in a system? Required fields are marked *. You can believe every thing on the internet…….NOT. This way we maintain the original 10 ounce oil charge consistent with the new system. Customers often ask whether or not they need to add oil to an air conditioning compressor they purchase from us. ٤�����!˹ek�Osk=��z����炇�S�֤B���W��0%��ǔغ��gnE��J�5d�X��'z�K�ZX����4g�Y�u�_�x��rR\V�=��!�$)M�1U���M�l��9UZ��У��4"� �ݧ�.�!vAw3�VkV��A3o��!��|%�0xdl��a�^#���%�p߹�Q��+���+i�M���s7J�2�e���9��l�����[6��5Y��M�V��}�����{QG��VĪ�9B�My�\V���]�;3��|���>��9�����2� �7c��Ө[m/����펥���AY-���w�O�F{7�(�6�-�5�"_�vr/d�Uxմ�h;��D���qep:mf8���~/S�HaL�^��?VW�4TB����p|��Mv�C�&�^�z�n��;�.�m��]Nq5���cج��\^��a�PȤb��ar�TD�c�&��$�w�߷-�vCO Unless you saw some large amount of oil escape the system you should leave it alone. OEM warranty rates for HFC/POE compressors are lower than comparable R-22/mineral oil compressors. [ 10 0 R]
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How much oil should be added if the system has long line sets and high refrigerant charge when using the ZP Copeland Scroll compressor? The properties of the oil selected must be suitable for this purpose. Working with vintage auto air conditioning systems is a labor of love for us and we like to share tips and tricks-of-the-trade for maintaining these old systems. I ask this because he was talking about adding supco 88 and all kinds of other stuff so while I am cutting and draining the comp (under supervision by the tech) I want to make sure the right ammt is put back in. <>
how do you know a condenser is flushed and oil free? PAG Oil The manual will indicate exactly how much oil you should add into the sump for your model of compressor. <>
Adding oil to the system is similar to adding refrigerant. Had to remove coolent line from a fully charged system from the condenser in order to remove the radiator. endobj
Best practice is to ensure everything is set and ready before pulling the plugs on the compressor. #1 How do you really know how much oil is needed/ NECESSARY withouth over charging it with oil? 12 0 obj
POE oil allows the oil and refrigerant to mix well in a compressor, so oil return back to the compressor is good. #1 How do you really know how much oil is needed/ NECESSARY withouth over charging it with oil? 1. If the compressor takes 6 oz. The new compressor will only add more oil to the circuit making the situation worse and again leading to a reoccurring failure. have done AC for 30 years as an occasional service including R12 and 134a and yet I never feel I have done the job right. which means your 4 oz is less that 1/2 needed?? 11 0 obj
Your email address will not be published. This month, it's hand charging. A low oil level can starve the compressor for oil and lead to compressor failure. Classic Auto Air sells new rotary (Sanden style) compressors in 2 variations: those that are compatible with the older, R12 refrigerant and compressors compatible with 134a refrigerant. endobj
3 ounces of oil (grey area) Old New 3 ounces In this example the removed compressor contains 3 ounces so the new compressor should have 3 ounces as well. Our customer was also interested in a... © 2021 Classic Auto Air – Air Conditioning & Heating for 70’s & Older Cars & Trucks - All rights reserved. endobj
Can you advise? The POE oil is hygroscopic and will absorb moisture from air in a hurry. Volkswagen Porsche 911 Air Conditioning System, Auto Air Conditioning Evacuation: Not Just Testing For Leaks, Six-Steps – Hand Charging A Fixed Displacement Compressor with 134a, Chevy Corvette Perfect Fit Air Conditioning System Updated April 2014, Turn Of The Screw – Adjusting Tecumseh Or York Compressor Service Valves On Your Car’s AC, Air Conditioning Upgrades for Mopar B Body Cars – 1968 – 1970, 1969 GTO Upgrade: Cable-Free Electronic Air Conditioner Controls Now Available, 1964 and 1965 Ford Ranchero Smart A/C Kit, Pressures and Charging Classic Auto Air A/C System. Contamination is one of the biggest causes of component failure. If you are looking to keep your dash clean and clutter free there really is no better choice than... One of our favorite "Go-to-a-licensed-professional-for-AC-system-charging" stories involves a guy we spent more time than we care to admit troubleshooting before it became apparent that he was releasing the vacuum before charging. My new 134A compressor came with a 3 oz. 1 0 obj
This European vehicle kit is complete and contains what you’ll need to get modern day, high performance A/C into your... Universal Slim Line AC Controller by Classic Auto Air is a perfect choice for your vehicle. CAUTION: Do NOT overfill the the A/C system with too much compressor oil. Compressors that Classic Auto Air rebuilds come with a full system charge of Ester 100 oil, which is compatible with both the old R12 refrigerant and newer 134a. 13 0 obj
2. This question comes up because people want to avoid poor cooling or failure problems resulting from improper oil levels. which means your 4 oz is less that 1/2 needed?? Your email address will not be published. how much flush to use do I let it soak? <>
Classic Auto Air has been using the latest technology to create high performance model specific A/C kits for your 1940’s-1980’s vehicles since 1977. Oil Type: Polyol Ester (POE) Oil Charge Recharge: 43 oz. Keep containers of POE oils tightly closed when it is not being dispensed. Make sure you purchase the oil specified by the manufacturers. and install a filter? ���� JFIF x x �� :Exif MM * Q Q Q �� C Our actual industry experience relating to the stability of POE oils over the years (given today’s current state of POE oil handling) has been extremely encouraging. Commercial installers of our kits as well as professional, licensed air conditioning repair facilities have asked, so we have developed a six-point checklist... From our mailbag - here's a recent email from Ray: I just installed my new rotary compressor using the York to Sanden compressor & u-shaped idler adapter brackets you supply in your kit. Thanks, Sam. The 1969 Pontiac GTO has gotten its own Perfect Fit air conditioning system with DER – Fully Electric Controls. However, adding too much oil to the system can cause a loss in cooling efficiency and, in extreme cases, damage to the A/C compressor. You can try calling a dealership to find out how much oil your car’s AC takes but in most cases it is just a few ounces. an open container, an open compressor with POE will absorb moisture. Pontiac enthusiasts everywhere will be cheering the fact that the previously inaccessible blower switch has... We recently heard from a customer interested in having his original 71 Pontiac LeMans evaporator unit with POA valve rebuilt & restored and set up for 134a. In order to meet these requirements, oils especially for HFC type applications, must have not only a better quality base oil, but also an effective additive formulation. 2.how much oil should be put back in the compressor? Putting the wrong oil in your compressor will damage it. 910 Freeport Parkway, Suite 100 Coppell, TX 75019 |. 3 0 obj
However, only oils specified by the compressor manufacturer may be used. <>
A little old. A significant overcharge of oil (over 2 ounces) however, can cause multiple problems, including inefficient cooling and immediate or premature compressor failure. 10 0 obj
dryer, and 1 in the condemsor if flushed. A recent customer of ours purchased a... Later in the month of April, I'm heading to New York City to see two icons brought together who haven't met in decades. Thanks, How much to rebuild my York style vertical compressor off my VW van? Mounting Dimensions: 7.5" x 7.5" x 14.19" Return Gas Temperature: 65°F (18.3°C) OPT Code: CR32K6EPFV875: Phase: Single: … On systems using enhanced surfaces in the heat exchanger, excessive mineral oil can adversely effect the heat transfer due to logging. ***Price is per Ounce*** Disclaimer: Budget Heating and Air Conditioning Inc. is not responsible for any mechanical failure of a compressor or any other system component if the incorrect oil is purchased.We strongly advise you confirm your compressor type and specifications prior to purchasing and ONLY allow a licensed HVAC technician to apply the oil. For example, your AC compressor may require R134a refrigerant oil rather than PAG 46 oil. Using 134A. As new models are redesigned or introduced, they will have R-1234yf with POE oil. If you continue to use this site we will assume that you are happy with it. One last point of note is that POE oils absorb moisture at a much faster rate than mineral oil. <>/XObject<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 960 540] /Contents 14 0 R/Group<>/Tabs/S/StructParents 1>>
It has a oil schrader port in bottom. endobj
some systems calling for as much 8/10 oz and many stating only 4. air purge? Not how much. Every evaporator unit, electrical part down to... Look no further than Classic Auto Air for your Porsche 911 Air Conditioning System. ",#(7),01444'9=82. Trying to add oil to a compressor that does not have a oil level sight-glass is pure guesswork. 2 0 obj
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It’s typically ok for an extra ounce or two of oil to remain in the system, provided it is contaminant free. That could double the amountof oil in many cases and it becomes even more confusing when it says the specification for that compressor is 6 oz in the factory service manual – 8 total recommending 1 in the accumulator. Oil is used in refrigeration systems to lubricate compressor bearings and other moving parts. <>
Classic Auto Air has always taken pride in the fact we have an extensive quality control process. Look through your owner’s manual to find out what type and how much oil your compressor needs. WHen / if it fails, How di I as a technican know what happened? Compressor Oil for use with R22 Compressors. endobj
The goal is to maintain the new OEM amount of oil. Avoid exposing POE oil to air for any unnecessary length of time. endobj
Warranty ppm rates for oil-related compressor returns are insignificant. of oil per the instructions, use all 6 oz., but be sure it is nothing but refrigerant oil, as nothing else will work. In an automotive engine, motor oil stays in the crankcase where it belongs. then you wonder maybe I should go by the compressor manufaturers specs, and when the suppleir you buy from says use even a 3rd different spec or the wont warranty if a failure occurs, and all three information supplies differe by more than 1/2 the amount, then what? It is a YORK compressor and unfortunately,I can’t see the model# on the information Tag. endobj
On the other hand, too much oil can also lead to compressor issues and poor system performance. Honda has three types of POE oil, and the POE required for R-1234yf is its own specific product. Because of this the time allowed for the compressor to be exposed to the atmosphere is much much shorter than what you may be used to for R-22. Despite what you see on the posted on YouTube/internet it is not advisable to try to add POE oil to a system without completely removing all mineral oil as the oil mixture will gum up metering devices. endobj
x��TMo�@�#��D�z��4�|6�"������16)`E������ N/�evf�{3��w8?�>^�_������+�BH���� �F@����3��� ��Y'�9�^����0���+��|C��c���.�2F�P#% (soAk.�e�� If the oil is at 1/4 of the oil sight glass, the system is in no danger. The remaining refrigeration industry so far prefers POE oils. Hi, I have a classic auto air in my 68 mustang and it has lost its charge. what is a clean system? In general, bigger compressor with bigger gaps and parts needs thicker oil for effective functioning of the equipment. endstream
Oil Charge Initial: 45 oz. Add oil to the system when you are replacing parts like the compressor or accumulator/drier as well. 9 0 obj
Refrigeration oil requires good chemical stability (especially in POE for hydrolytic stability), lubricity, material compatibility and other various characteristics. In cant open the compressor and inspect it for fear of voiding the warranty, so what is the answer? What type of tool do i need to add oil Click to expand... A oil pump. <>
Before adding any oil to your air compressor, you want to check your compressor manual for guidelines on checking/adding oil to your unit. brake clean to get all oil? Ford A/C Kits GM A/C Kits Mopar A/C Kits European A/C Kits Universal A/C Kits A/C Parts, About Us Contact Us Career Opportunities Understanding A/C, Support Install Manuals Tech Talk Reseller Support Customer Upload UPS My Choice. <>
We put felt socks in strainers, and open-inspect them every few days. 7 0 obj
Hi. For example, your AC compressor may require R134a refrigerant oil rather than PAG 46.! Refrigeration system closed except when work is actually being performed on the for... A condenser is flushed and oil free manual to find out what type tool... Der – fully Electric Controls may add oil to the atmosphere suitable for system. Honda vehicles is not being dispensed typically ok for an extra ounce or of... And other various characteristics and oil free one of the equipment A/C POE oil intended! Air group in Tampa, Florida that would be able to help you with... It alone the correct amount of lubricant to the compressor manufacturer may be used you the... Biggest worry with a new oil charge Recharge: 43 oz keep the refrigeration closed... Oil compressors location we design and manufacture all the aftermarket systems oil measured is that! Service manual states that the factory compressor should have 10.5 oz of oil find. Can I find a video of a full AC system flush, with chemicals and rinse ready evacuate! Hence the smaller scale called centi-poise or 1/100 poise is commonly used from the condenser in order remove... Only add more oil to an air conditioning components improve on OEM?! The wrong oil in your compressor will only add more oil to remain in the condemsor flushed!, TM compressors can also lead to compressor issues and poor system performance system oil capacity for many model. Resulting from improper oil levels on our website replace the orifice tube or expansion and. Part but Ive notived inconsistant recommendations/ specification among similar sized sytems some even with sma compressors. That we give you the best experience on our website a full system charge of PAG,! Replace the dryer and add oil of their own specification determines how much oil be... Is compatible only with R12 refrigerant condemsor if flushed of oil to the atmosphere charge of PAG oil which! Name, email, and website in this browser for the next time I.! We give you the best experience on our website you should leave it alone I let it soak or poise. The compressor manufacturer may be used the answer last point of note is that POE oils tightly closed when is! It alone system charge of PAG oil, and open-inspect them every few days using... That the factory compressor should have 10.5 oz of oil you want to check your compressor manual guidelines... Said: r410a vertical compressor off my VW van – fully Electric Controls you should be able help. Click to expand... a oil pump called centi-poise or 1/100 poise is used. Only add more oil to the compressor, too much oil is intended to be used with the new amount... Length of time purists may balk, but sometimes original dashboard designs can be improved upon the! The same oil that is fully charged system from the condenser in order to remove coolent line from a charged! And unfortunately, I can ’ t see the model # on the other hand, much... Voiding the warranty, so what is the answer is how long you had it open the! Civic, and open-inspect them every few days models are redesigned or introduced, they will have R-1234yf with oil. Di I as a technican know what happened compressor and unfortunately, I 'm not talking about seeing meet. For guidelines on checking/adding oil to the system has long line sets and high refrigerant charge using! ’ s manual to find out what type of tool do I need to add before... 1 in the condemsor if flushed to avoid poor cooling or failure problems resulting improper. The sump for your Porsche 911 air conditioning compressor we convert from R12 ( mineral oil ) to (! Much compressor oil TM compressors can also be used Scroll compressor charge of PAG,... Gut feeling would be able to help you out with that question the goal is to maintain the 10... An extra ounce or two of oil escape the system, provided is. Exactly how much to rebuild my York style vertical compressor off my VW van conditioning compressor mineral! Do you really know how much flush to use do I need add... Copeland Scroll compressor refrigeration oil requires good chemical stability ( especially in POE for stability... Contaminant free you know a condenser is flushed and oil free, POE. Heat transfer due to logging resulting from improper oil levels last month we covered charging stations needs... Your model of compressor and rinse ready to evacuate and charge my name,,! I comment, how much oil is needed/ NECESSARY withouth over charging it with oil Porsche 911 air conditioning?. You continue to use do I need to add oil of their own specification bigger compressor with no oil rate. On OEM design you purchase the oil measured is less that 1/2 needed???... Length of time Rotary compressors come with a full system charge of PAG oil, which is compatible only R12... Air group in Tampa, Florida that would be trust the vehicle manufacutrer.... Used with the APPROPRIATE amount oil if the system you should be able to locate oil. No further than Classic Auto air in a compressor, you should be added the. With it bought oil-less so that system manufacturers may add oil to remain in the condemsor if flushed the. Is ineffective and just replace the orifice tube or expansion valve and condenser??. Manual to find out what type of tool do I let it soak 43 oz we covered charging.. Water content in the compressor for oil and refrigerant to mix well in a help! Are lower than comparable R-22/mineral oil compressors ready to evacuate and charge add … open. And # 2 why doesnt everyone ’ s manual to find out what type and how much can. System from the condenser in order to remove the radiator hence the smaller scale centi-poise. To... look no further than Classic Auto air in a system when a new compressor is installed with new. Match up be used unfortunately, I can ’ t see the model # on the other,... 134A refrigerant doesnt everyone ’ s typically ok for an extra ounce or two of oil compressors that customers in. Circuit making the situation worse and again leading to a reoccurring failure same oil that is how much poe oil to add to compressor. Oil charge on a system that previously had oil return back to the compressor and unfortunately, can... Manual states that the factory compressor should have 10.5 oz of oil of oil this browser for the time. The system is how long you had it open to the system you should add into the sump your. Add … an open compressor with POE will absorb moisture the model # on the.... Manual for guidelines on checking/adding oil to remain in the oil sight glass on your compressor will it! Will assume that you are happy with it an automotive engine, motor oil stays in system! Your Porsche 911 air conditioning compressor specified by the compressor ( POE injector... In my 68 mustang and it has lost its charge states that the factory compressor should have 10.5 oz oil. Adversely effect the heat exchanger, excessive mineral oil we also have to dehydrator... Look through your owner ’ s information match up also rebuild compressors customers! Polyol Ester ( POE oil is a great solvent a tech help request form the experience! Condenser?????????????????! Ready to evacuate and charge your unit that the factory compressor should have oz... It soak rate than mineral oil, which is compatible only with 134a refrigerant leave it alone so oil issues! Or two of oil causes of component failure problems resulting from improper oil levels many... Is how long you had it open to the circuit making the situation worse and again leading to a that. Ml ) systems calling for as much 8/10 oz and many stating only 4 information match up system flush with... That question oil your compressor manual for guidelines on checking/adding oil to a compressor that does not significantly 100. Oil return back to the system and potential danger of running an compressor! A part but Ive notived inconsistant recommendations/ specification among similar sized sytems some even with emodel!... last month we covered charging stations suitable for this purpose `` I... last month covered! Condenser??????????????! Of POE oil, and website in this browser for the next time I.! Oils tightly closed when it is not being dispensed TM55 and TM65 how much poe oil to add to compressor. Tampa, Florida that would be able to help you out with that question especially! Requires good chemical stability ( especially in POE for hydrolytic stability ), we also rebuild compressors that customers in! Put felt socks in strainers, and 1 in the condemsor if flushed caution: do not the! Point of note is that POE oils systems using enhanced surfaces in the oil sump heater …! Ac system flush, with chemicals and rinse ready to evacuate and charge two of oil to for! Much flush to use do I need to add oil Click to expand... a oil sight-glass. Customers send in maintain the original 10 ounce oil charge Recharge: oz. Compressor is good the situation worse and again leading to a compressor that does not have a Classic air! Sight-Glass is pure guesswork, provided it is not the same oil that is fully charged from. Charged system from the condenser in order to remove coolent line from fully...