Inspect before every use; do not use if parts are loose or damaged.17. When it happens, youll need to bleed the system to remove any air bubbles left. The operator must understand that common sense and caution are factors, which cannot be built into this product, but must be supplied by the operator. You may as well consider disassembling the floor jack to check for any damaged parts which would lead to external or internal leakages. Use only a quality-grade hydraulic floor jack oil--do not use regular oil products. turn off the vehicles engine. Remove Oil Fill Plug and top off hydraulic oil.4. If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. If the solutions presented in the troubleshooting guide do not solve the problem, have a qualified technician inspect and repair the jack before use. Always use a jack stand to support the vehicle and never the floor jack. Of course, using it in such a condition is out of the question; its simply too risky. 2. Do not exceed rated capacity.3. Higher or lower oil levels than recommended may cause our floor jack not to work. Then, the next step is to inspect the valve and see if its air-tight. If the jack does not lift the load or begins to lower after it's lifted, check the tightness of the release valve. You cannot go beyond it and try to lift something that exceeds the devices potential. Taking good care of the jack guarantees you the best service you can get from a jack. They are easy to resolve, but if the problem is complicated, it would be better to ask for help from the experts. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. Diagrams within this manual may not be drawn proportionally. Checking the fluid level on a jack is quite simple. Luckily, there are many websites offering jack repair manuals out there. Hi There, I am R. Hasan Tito, a mechanic, and owner of this website. Now, get to work! Axle weights can be found on a sticker in the driver's side door jamb. Jack went up. $V&ih!;'KKJd]}>w/eBB Z%%0C,!aZPrFN*hH8pr|Fv}s3t4(f;OW:Nyq:MY_yQ)Vy)" y]Gw,_6[fak;X >^w"^v23R("&>cDW\;vx G]|2 53. Slowly turn the Handle counterclockwise (never more than 1/2 full turn) to lower the vehicle onto the ground.4. Fortunately, its something you can fix quickly as you only need a few handy tips. I am trying to get this to the marketplace and Im working on designing my own line of floor jacks. ), PITTSBURGH 91760 3 Ton Aluminum Racing Jack Stand Save This Manual Keep this manual for the safety warnings, AUTOMOTIVE 2-TON COMPACT TROLLEY JACK Owners Manual & Safety Instructions Save This Manual Keep this manual for the, H-7935, H-7936 ALL-WEATHER LOW PROFILE FLOOR SCALE 1-800-295-5510 uline.com # DESCRIPTION QTY. Afterward, jack functionality should be back to normal. Replace the oil fill screw and retest the floor jack. He also loves cats, Johnny Cash and Subarus. Turn handle counterclockwise to open Release Valve.2. Thank you!!! Okay, so youve checked the oil, capacity, bled the system, and your jack still wont hold pressure? But when reaching the point where the wheel would leave the ground, two things may happen: the jack will stop lifting or it will slightly lift the wheel off the ground but will go back down as soon as you stop pumping. Face Impex is one of the Face group of companies that begin in 2006. If abnormal noise or vibration occurs, have the problem corrected before further use. A hydraulic floor jack is easy to use, durable, and very efficient while working with them. And that leads us to the final step overall checkup. Valves may be blocked and may not close fully. If all of the issues listed above are already solved, this does not necessarily mean that our jack is ready to work normally. (See vehicle manufacturers owners manual for location of frame lifting point.). This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance. Moreover, these oils have different acidity levels and some chemicals that could swell, tear up, or even degrade the components of your floor jack. Open the release valve and force the saddle down as quickly as possible. _^|i (3+2OTEWYER+R"\n2?d68j/?/I YH,60^'}L[_$uK+EJBz' P endstream endobj 1486 0 obj <>stream Doing so would significantly increase the risk of damaging your vehicle or, even worse, harm yourself. I am a specialist and certified automotive mechanic (Both Heavy Commercial and Private Cars). Othertimes, the jack might be stuck in a lifted position and wont lower. Before each use, inspect the general condition of the Jack. 1. Remember that you're only lifting one axle at a time with a hydraulic floor jack, so combining the front and rear axle weights is not necessary. Fasten the Upper Handle to the Lower Handle.2. The first thing to do when faced with a jack that wont lift whatever you are trying to lift is to check its capacity. Comment * document.getElementById("comment").setAttribute("id","a00babd9eb5f22794872daedc2c3ade9");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. Center the vehicles lifting point(s) on the saddle of the jack stand(s). Removed it, but nothing happened. Hopefully I will be able show you the functionality and the safety aspects that will prevent people from getting seriously hurt or possibly fatally injured. The floor jack should be used to lift and lower the vehicle only. Lift the intended vehicle if the conditions mentioned in Step 6 do not occur. 1. Go buy the same one new and use the receipt and take back the defective one. h2445T0PwH4P04'T&d' B endstream endobj 1488 0 obj <>stream Turn it on the sides, and observe it in both the extended and retracted positions to make sure it works properly either way. No alterations shall be made to this product.9. (Make certain that the jack is not supporting a load while attempting a solution.). Set the jack stand(s) to the same height according to the manufacturers instructions, making sure that they lock securely into position. Wipe dry with a clean cloth. The saddle should rise a few inches per pump. Once again, the easiest way to prevent malfunctions and potential problems is regular maintenance. procedures not specifically explained in this manual must be performed only by a qualified technician. If need be, consult a professional. In most cases, trying to lift a vehicle exceeding the capacity of your jack will cause the same symptoms as a jack that cant hold pressure. tO prEVEnt SErIOuS InJury FrOM tOOL FaILurE: Do not use damaged equipment. 1. The rear vision system is one of the most outstanding innovations in the automotive industry. Replace the Oil Fill Plug and turn handle clockwise to close Release Valve.7. HARBOR FREIGHT 56617 Pittsburgh 3 Ton Low Profile Floor Jack Owner's Manual, PITTSBURGH 2-TON Compact Trolley Jack Owner's Manual, ULINE H-7935, H-7936 All-Weather Low Profile Floor Scale Installation Guide, SYLVANIA SDVD1046 Progressive Scan Auto Load Compact DVD Player Instruction Manual, Cox Communications Cisco Webex User Guide, Chipdip DOC014485675 Waterproof Digital Thermometer User Manual, belltech 6400 Lowering Shackles Instruction Manual, JVC HAECX20G Sports Clip Inner Ear Headphones User Instructions, Panasonic Corded Cordless Phone User Guide, GE Appliances GDF550PGR Front Control Dishwasher Installation Guide, Jack will not lift at its weight capacity. Slot head screw on housing. The trapped air should have been pushed out the system, so you can move forward lifting the vehicle. The P0339 is a fault code for crankshaft position sensor a circuit intermittent. Several issues can cause the car computer to throw this fault code. He has been a certified auto mechanic for the last 15 years, working for various car dealers and specialized repair shops. When in doubt, make sure to take a look into your jacks repair manual and follow the manufacturers recommended maintenance procedure. Apply pressure to saddle and quickly pump handle several times.5. record products Serial number Here:note: If product has no serial number, record month and year of purchase instead.note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. If you experience binding or a jerky motion from the retracting ram after removing the jack stand and lowering the floor jack, most likely the hydraulic oil is overfilled, or the ram is severely rusted or pockmarked. Never work on, under or around a load supported only by this device.10. If the condition is still the same, repeat the process a couple of time more. The most-common reason a floorjack would be stuck in the up or down position would be because of air trapped within the hydraulic pump, preventing the jack from having full range or lifting/lowering capabilities. We are exporting the best and premium quality porcelain slab tiles, glazed porcelain tiles, ceramic floor tiles, ceramic wall tiles, 20mm outdoor tiles, wooden planks tiles, subway tiles, mosaics tiles, countertop to worldwide. Required fields are marked *. Refer to the owner's manual of your floor jack to ensure the level and measurement is correct. ULINE PART NO. Floor jacks have their lifting capacity; thus, you may want to cross-check that against your vehicles weight. You should take off the fill plug from the floor jack and then peep into its oil chamber. The good news is that its usually* a fast and easy fix, and our friends at Sunexhave made a short and accessible video for floor-jack maintenance which should help you solve your trapped-air problem as well as show you how to lubriate your floor jack properly to keep it in tip-top shape for the next time you need it. Handle will only turn left/right an inch or two. Service Rear Vision System - Causes and Solutions. If the level is low, add some fluid. Set the vehicles emergency brake. Lol Im tired, hot & sick. Jody L. Campbell spent over 15 years as both a manager and an under-car specialist in the automotive repair industry. You should ensure you check items such as cracked welds, some ruined parts, oil leaks, and everything else. We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Specify UPC 193175365736 when ordering parts. Read on this guide to find out how to fix a floor jack that wont lift easily. Works great now! Pump the handle to extend the ram and lift the saddle. Turn the Handle counterclockwise to lower the Jack. Its frustrating when you need to lift something with your trustyfloor jack, but discover that your previously reliable jack will only lift part-way, or not at all. However, the typical habit is to assume that all parts are efficiently working, which is not right. Not only does exceeding a floor jacks capacity stress it, but it also makes the entire process dangerous for you. This could be caused by not enough hydraulic oil in the reservoir or air trapped in the system. It just sinks us lower and lower into deception and deceit. Phillip screw on top of piston. The oil level should be between 3/16 to a 1/4 of an inch above the cylinder on most floor jack models. Exceeding the weight limit will not only place stress on the floor jack, but will also be extremely unsafe. My floor jack will lift when I push down on the handle but before I am push it back down it wii already be down. Any DIY mechanic will tell you the essence of a good floor jack. only because it is lighter. Ive topped up the hydraulic fluid level tried everything still no luck, what could be the problem? Once the vehicle is raised, slide a jack stand of appropriate capacity (not included) under a proper lifting point referred to in the vehicle owners manual. Then, store in a safe, dry location out of reach of children. For a better experience, please enable JavaScript in your browser before proceeding. The first thing you ought to know is that a floor jack may not always fail to hold pressure due to a mechanical fault. Lower the Jack completely. Moreover, you ought to check the jacks ram by turning it on either side. Doing so will ensure your jack lasts as long as possible and that you get the most bang for your bucks! As silly as it sounds, when a bit of air gets trapped inside your lifting device, it loses its lifting ability. Hydraulic floor jacks are more dependable, easier to use and provide more stability than bottle or scissor jacks. If you really are in trouble and absolutely need to find a quick fix, you can always use automatic transmission fluid to re-fill your jack and finish the job. When unpacking, make sure that the product is intact and undamaged. Failure to heed these markings may result in personal injury and/or property damage.7. Our product portfolio is Porcelain Slab, Glazed Porcelain Tiles, Ceramic Floor Tiles, Ceramic Wall Tiles, Full Body, Counter Top, Double Charge, Wooden Planks, Subway Tiles, Mosaics Tile, Soluble Salt Nano, Parking Tiles, Digital Wall Tiles, Elevation Tiles, Kitchen Tiles, Bathroom Tiles and also Sanitary ware manufactured from Face Group of companies in Morbi, Gujarat. on PITTSBURGH 56617 3 Ton Low Profile Floor Jack User Guide, PITTSBURGH 56617 3 Ton Low Profile Floor Jack, PITTSBURGH 63152 Portable Inflator User Guide, PITTSBURGH 91760 3 Ton Aluminum Racing Jack Stand User Guide. Yup, sounds like you unscrewed the valve all the way out of the jack. 2. Recheck fluid level and re-fill as needed. If this were the cause, the jack should resume working normally. I learned some thing new today!!!!! hm1J>I&pu;a5y+oIvW>gdeD;aD b8 J`b#t-&i0q0,bJ'B3Z@.sxypy1_1#P]%1vAmNdZCi {@e+6cJnB{O9ds8fe}M5g:5iS=i~>ey+#nc/Lh\e1jLi7a&h^.=5P. Subframes or floor boards are not a secure location and will cave in under the weight of the axle, cause damage to the vehicle and compromise the safety of the hydraulic floor jack. To bleed trapped air, place the release valve in the fully retracted position (counterclockwise of the handle), remove the oil filler screw and pump the handle several times to purge the air from the system. Rusted or pockmarked ram pistons can cause the ram to fail, or to intermittently extend or retract the ram in jerky movements that can be unsafe. Pump the jack 10-15 times to release trapped air. If you suspect that it could be due to inadequate fluid viscosity, drain the jack and re-fill it with new hydraulic fluid. So, before you try to lift any vehicle, compare the nominal capacity of your jack against the weight of the vehicle.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[970,250],'garagespot_com-medrectangle-4','ezslot_4',164,'0','0'])};if(typeof __ez_fad_position!='undefined'){__ez_fad_position('div-gpt-ad-garagespot_com-medrectangle-4-0')}; This is one of the most straightforward fixes, as the solution is quite obvious simply dont expect your jack to do the impossible. The hydraulic fluid will purge back into the chamber and the saddle will lower all the way to the bottom. Determine if the floor jack is not lifting properly or not lifting at all. Of course, its not uncommon for jack owners to have lost or trashed the instructions after purchase. Many a time, the underlying issues for your jacks failure are the ones written in this guide. Then, turn the Handle firmly clockwise to close it. I know a guy who did that with a vacuum cleaner. Check the weight rating on the floor jack and the axle weight of the vehicle you're intending to lift with it. All rights reserved. place the vehicles transmission in parK (if automatic) or in its lowest gear (if manual). Carefully position the Saddle of the Jack under the vehicle manufacturers recommended lifting point. Hydraulic systems work in a closed-loop, meaning that the fluid level should never go down. Once again, make sure to check in your jacks owner manual the required fluid type and viscosity. In the end, make sure you put back the floor jacks oil fill screw and then try putting it into work again. Use smooth, full strokes. Not in the mood for all that! Do not use for aircraft purposes.18. He was part of the original OnAllCylinders editorial team when it launched in 2012. Your email address will not be published. Place the saddle of the floor jack in a safe and secure lift point on the vehicle. Close the release valve of the floor jack (by turning the handle clockwise) after the saddle has been placed properly. Before each use, thoroughly test the Jack for proper operation prior to its actual use. One of the most common reasons for that is a low fluid level or there might be a leak somewhere. Remove the oil fill plug and look into the chamber. Keep clear of load while lifting and lowering.13. Now that you know what to do when your floor jack doesnt hold pressure, no more reasons to panic. Remove the Fill Plug.3. Campbell began his professional writing career in 2004 with the publication of his first book. Add high grade hydraulic fluid into the fill hole slowly until the fluid reaches the top of the hole.Note: Do not touch the Handle when adding the hydraulic fluid.4. If hydraulic fluid can leak out, air can also get in. Turn the Handle firmly clockwise and raise load high enough to clear the jack stands, then carefully remove jack stands.3. The fluid level should always be within the recommended threshold, neither more nor less than whats needed. Prior to that, he managed two different restaurants for over 15 years. This warranty gives you specific legal rights and you may also have other rights which vary from state to state. (* sometimes the universe conspires against you, and neither we nor the capable tool experts at Sunex can help you if youre on the Cosmic Naughty List.). For those encountering a stuck jack for the first time, having your jack stuck in the up or down position can elicit the kind of choice language that generally upsets our mothers, and ruins your plans to work on your car or truck. How to Fix a Floor Jack that Wont Lift, link to Service Rear Vision System - Causes and Solutions, link to P0339 Diagnostics Trouble Code: An In-depth Analysis, 3 Common Types of Jack for Automotive Use, Best 4 Post Car Lift Reviews and Complete Guide. Lubrication assures you that the jack will run effectively as well as smoothly with minimum friction. The rule of the thumb applies. Inspect every part, including valve, piston, linkage, etc. Most floor jacks are fitted with a safety overload valve. Your jacks failure could also result due to the presence of some trapped air in the floor jack. If I understand this correctly, the oil fill plug must be removed to do the air purge.Is this correct? I have been working as a mechanic for over fifteen years. Always use two jack stands. To lift the vehicle, pump the Handle of the Jack. Open the valve by turning the Handle counterclockwise and pump the Handle to bleed air from the system. Your hydraulic floor jack should work at its intended potential to ensure reliability and safety. With the Jack upright, completely fill the Housing with a high quality hydraulic fluid (not included) until the fluid is 1/4 below the fill hole. after the jack is repaired: test it carefully without a load by raising and lowering it fully, checking for proper operation, Before returning the Jack to Operation. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. Lift vehicle only at manufacturer recommended locations.16. Check the fluid level and refill if needed. Rxmechanic.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com. He said he bought it about a year ago don't most jacks come with a 1 year warranty? Unit may have too much hydraulic fluid inside, check fluid level and adjust if needed. Lubricate all moving parts with a premium lubricating oil. In most cases, a leaking valve will usually have a greasy film around it, letting you know that theres a leak. Lift only areas of the vehicle as specified by the vehicle manufacturer.8. When operating a jack with a higher fluid level than normal, the higher than recommended pressure risk blowing out seals, causing internal leaks and resulting in a jack that wont hold pressure. ;l[Yhh2 Learn how your comment data is processed. @BoneeBone.. why didn't I think of that haha. PART NO., Your email address will not be published. Remove four screws holding on pump cover.3. Once the Jack is fully lowered, turn the Handle firmly clockwise to close it. Your email address will not be published. If the Jack appears not to be working properly, follow Bleeding instructions on page 4. )Maximum Height 19-7/8Minimum Height 3-1/8. A funnel to add the oil will come in handy. (a 6$_X^X_\Rog` N" endstream endobj 1489 0 obj <>stream Use only on hard, level surfaces.4. If any parts are missing or broken, please call 1-888-866-5797 as soon as possible. Apply parking brake and chock tires before lifting vehicle.15. A two- or three-ton floor jack is capable of lifting almost all axles of any passenger vehicle or light-duty truck. 1. Clean the ram with an oily cloth to ensure that dust and dirt particles do not enter the hydraulic cylinder. Improper oil level of the jack will greatly decrease the effectiveness of the lifting power and proper lowering of the jack. Wear ANSI-approved safety goggles and heavy-duty work gloves during use.12. 3. A hydraulic floor jack is a handy device used to lift a car to replace a tire or perform maintenance work. Lift the saddle as high as it will go, then turn the handle counterclockwise to disengage the release valve. Assemble the Fill Plug, close the Cover Plate, and reinstall the screws. Check for broken, cracked, or bent parts, loose or missing parts, and any condition that may affect the proper operation of the product. Just go step by step, and youll find whats wrong. Different jacks may work differently so make sure to check the specs in the owners manual. This failure could be frustrating, especially when it is the only tool you have at a stranded place. Youre just about to lift your car when you realize that your floor jack simply wont hold pressure? Change the hydraulic fluid at least once every three years: With the Jack fully lowered, remove the Fluid Fill Plug on the side of the Housing. This procedure is quite quick and it will save you lots of troubles. use caution when troubleshooting a malfunctioning jack. Also, always remember to never use compressor oil for jacks. Wow, thanks dude! Test the hydraulic jack before use by closing the release valve (turning the handle clockwise) and then pumping the handle to raise the hydraulic piston. This site uses Akismet to reduce spam. For most floor jacks, the recommended level is about 3/16 to a quarter over the reservoir. This feature works to prevent the jack from working when overloaded. Test several times for proper operation before attempting to lift a load. Hello I read your article in regards to repairing floor jacks and also the best floor jacks in 2021 and so on, which is very interesting .Im glad that you are posting that type of information for people because you dont see it that much and is very useful. Remove the oil fill screw from the lifting device. It is thus crucial for you to know common issues that may cause a jack not to hold pressure. How to Use a Floor Jack Safely Different oil types have specific viscosity levels that would best suit your unit for better performance. Tools required for assembly and service may not be included. Your email address will not be published. Read the Entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product.Note: For additional information regarding the parts listed in the following pages, refer to Parts List and Assembly Diagram on page 7. Should be pretty straightforward to get back in. JavaScript is disabled. Rotate, or spin, handle to the right until it stops. Lifting device only. If the floor jack has rusty pistons, this could lead to a potential issue that ought to be taken care of. If the jack does not work properly going up or down, continue the troubleshooting procedures before attempting to lift anything with it. Moreover, lubrication prevents corrosion and potential future breakdown, which is another reason why you should pay attention to the products you buy. 5 Best Sanders for Car Paint Removal At Every Price Point, 7 Best Portable Car Jacks to Keep In Your Trunk (2022 Review), How to Assess If Your Garage Ceiling Is High Enough For A Car Lift, Best Off-Road Jack to Lift Your Truck on Challenging Terrains, Best Tire Changers for Amateurs and Professionals [2022 Review], Best Wheel Balancers For the Money [2022 Review]. The jack will start to rise until it reaches the vehicles body and it might even lift it a little. Loosend it and removed it-looks like where you add oil. You are using an out of date browser. Loosen the Set Screw and insert the assembled Handle into the Handle Socket.3. In most cases, the solution is quite simple. Operating InstructionsRead the Entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product. 3. Moreover, you should always make sure that you often examine the hydraulic jack to detect any debris or dirt in the oil chamber. Copyright 2020 by Harbor Freight Tools. Lower load slowly.14. But how did air bubbles get in the system in the first place? Having what it takes is just as important as figuring out the real issue causing our jacks failure. Do not use a damaged or malfunctioning jack! Too much oil in the reservoir will not allow the oil enough room to move back from the chamber, and the jack will bind or not move at all. @3xdDTLS{H/D8ClWUUh(AMEWSLE:MAbLOO* Sd^*(tBQ-=pB8.R8"kA_0[>oZAVh5Yh[ lI7[]C}^_+te8m- A endstream endobj 1490 0 obj <>stream Also, you have to continually keep in mind that the most common issues that make your jack fail are overloading, oil underfill or overfill rusty ram pistons, trapped air, and the rest. My friend and I created this website to share our knowledge, expertise, and experience with our fellow mechanics' community and car users. Hi,I tried all the instructions as per video but still my jack wont lift. Required fields are marked *. Return the valve to its original position. then, chock the wheels that are not being lifted. This will minimize the chances that something goes wrong in the middle of your job and will reduce the risk of damaging your jack or vehicle. The warnings, precautions, and instructions discussed in this manual cannot cover all possible conditions and situations that may occur. For instance, applying lubrication on all movable parts is one of the most vital routines to adopt. park vehicle on a flat, level, solid, surface safely away from oncoming traffic. However, if the jacks oil level is higher than the recommended, you would have to drain up the excess. He turned towards blogging about cars and EVs in the hope of helping and inspiring the next generation of automotive technicians. This also lowers your jacks capability. Tip the Jack to allow the old hydraulic fluid to drain out of the Housing completely, and dispose of the old hydraulic fluid in accordance with local regulations. Servicing the floor jack from time to time goes a long way to make sure that it is always in perfect condition. If youve read this to the very last word, you have the know-how to fix a floor jack that wont lift. I thought Id have to rent a crane & crane operator to get my lawn tractor down! If the floor jacks handle is pumping in the right way and its saddle is positioned correctly, but you find that the hydraulic jack wont go down or up, check its release valves tightness. THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. hVmo0+}h"UvR, L%E3;CI>s3g'L8&B/dac01`q\L' '? For that reason, you should implement the previous steps and inspect the jack for leaks and make sure the fluid level is correct. Ahydraulic floor jack troubleshootingis crucial to detect any other possible issues it would. When it comes to oil selection, be aware that different jacks may use different hydraulic fluid. Check Oil Fill Hole again and top off with hydraulic oil if necessary.6. Do not adjust safety valve.11. JT D8_} -EU f6.JO+O=uw~#j>Cd-mkb -LFJKJIW|U`,vt2 P}"Lficr3Oj9*lB fE.PBQpuhg^&wG#7+~)bKHqf+5g4h?z7 >)/_pXNbqt"i* 2vzAtz`=L@|6Wtjnk It may not display this or other websites correctly. I was mad at my teenage son when our neighbors moved last year they gave him a 40s era heavy duty floor jack thats sat on my carport for months seemingly stuck forever in up position. If your floor jack is not performing, there is most probably an underlying problem behind it. Keeping on pumping the jack may cause internal leaks and damages to the seals, ultimately preventing the jacks from holding any amount of pressure. %PDF-1.6 % The real concern here is finding why the fluid level actually decreased. HARBOR FREIGHT 56617 Pittsburgh 3 Ton Low Profile Floor Jack Item 56617 Weight Capacity 3 Tons (6,000 lb. Here are the steps you should follow: First of all, you need to know that each jack has a limited lifting capacity. Most jacks I've seen using that particular design allow for the valve to be fully unscrewed. It's a pain to carry it down the driveway.. still uses my quasi operating Craftsman aluminum one. If you want my humble opinion, Id recommend you do that before and every time you start lifting anything. Cant get it to lift anythingBobby mcafee. Always ensure you examine it while it is in both the retracted and extended positions.