WHOLESALE ACCOUNTS! Pay special attention to whether that number is base only or base + worksurface. At Autoquip, we focus on developing and implementing the latest design, technology, and production techniques into every lift we build. If a single-phase motor is being run more than 15 20 motor starts per hour, or a 3-phase motor more than 200 starts per hour, the problem may be motor over-heating. The last solution is to check the oil level in the hydraulic reservoir and make sure the oil level is within the recommended range. The breather holes in the reservoir fill plug may be clogged. height to 40. 1,848. 4) The phillips head screw does nothing, but the piece it goes into needs removed and cleaned. Check and reset or replace as necessary. This could cause the lift to drop rapidly, resulting in damage to the lift or cause personal injury. These lifts are designed to tilt, lift, and rotate to ensure the safe transfer of the vehicles. Motor may be single phasing. Check for low oil in reservoir. Step 3: Turn the flow control valve in a clockwise direction to close it. Then you use that nut to regulate the pressure for your pedal. There may be an object below the desk that's stopping it from going down. Check for and remove any obstruction that may impede the rotating path of the turntable. Counter Weight Sensing Switch Installation Instructions, FMS Slack Chain Sensing Switch Installation Instructions, FMC Slack Chain Sensing Switch Installation Instructions, Pit & Surface Mounted Truck Leveler Manual, Bridge Will Not Remain in Raised Position, Tilter Doesnt Raise/Raises Slowly, Upender Doesnt Tilt, Tilter Doesnt Lower/Lowers Slowly, Upender Tilts Slowly. Inspect all fittings, hoses, and other hydraulic components for leads or damage. I will try extra hard to pull out the piston part J37. This is with the release handle fully released. Click on the product families below to learn more about the cause of the issue and how it can be solved. (See the Routine Maintenance section.). Improves loading and offloading at the dock. (oil will not even leak out) Funny just had to fix mine tonight, you probably have dirt or metal stuck in it if its not popping back up. If let completely down it would not raise. 5) at the bottom of the valve remove the c-clip for the screen and then the c-clip for the brass I called the company and they told me where to put more fluid in (power steering fluid). Harbor Freight 500 lb lift table, release valve broken. Do not remove the bleed screw! 63,550 If connecting the booster fixes the problem, you have to replace the battery. When I lift the table it goes up easily and when I let it go it drops back into position quickly and I hear fluid flowing in the ram. It is suggested that you inspect the lift, particularly around the arm and hydraulic system, to tighten up the loose bolts, if any. I have had my Hydraulic grooming table stuck in the up position a couple of times. (Answered), 3 Reasons For Hydrangea Tree Not Leafing Out. Suction screen may be clogged, starving pump. The wiring can be checked with a multimeter, and if there is some voltage issue, the wiring must be replaced. Repair as necessary. QUESTIONS & ANSWERS (Get Help Fast Here!). If the machine is completely silent, then there is no power whatsoever running through it. Check all pushbutton stations. I do believe that what you may have is a bad compression seal. Correct as necessary. There may be an obstruction in the path of the mounting platform. Check for and resolve any connection problems. The retaining bolt should be backed off and retightened using no more than 80 ft. lbs of torque. If youve tried that and it doesnt work, complete a manual reset. You will need to either change or delete the lower container stop to make the table go up past the current setting. The oil viscosity is not suited for the environmental conditions. Visit our regional partners |Europe|Asia-Pacific. The pry bar is designed to magnify the force, so its best that you hire some technicians to help you out. ), Oil in the reservoir may be low. Yeah, I would just take it back. The "O" ring keeps it in place. 2.) Reading the source voltage or pump idling voltage is meaningless. Remove and clean. I missed this thread before. The Freight Lift Does Not Raise Completely to the Upper Level (Press Emergency Stop Button to Stop Motor.). The solenoid coil may be incorrectly wired, burned out, not rated for the voltage, or the line voltage may be excessively low. Relaunch of Hobby Machinist Mentoring Program. You must log in or register to reply here. Battery connections may be loose. Failure to observe wiring diagram on nameplate for proper voltage connections. Hope that helps. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Either way, I couldn't get mine fixed by anyone except a guy that serviced pneumatic and hydraulic tools without having to pay for it to be shipped to the manufacturer. file size: 500 MB. Solenoid coil may be incorrectly wired, burned out, not rated for the voltage, or line voltage may be excessively low. If the bridge does not lower after trying Step 2, wait approximately 10 15 minutes for the pressure in the hydraulic system to equalize. The motor starter overloads (MSO) have tripped. Oil Reservoir may be low. Check and/or reestablish chain tension, or check & repair or adjust sensing switch(es) as required per Installation section. Inspect all fittings, hoses, and other hydraulic components for leaks or damage. Check for tripped velocity fuses. Remove down valve and inspect for debris which may be preventing it from closing. Check the upper limit switch setting to see if the setting is correct. Excessive wear or lack of lubrication to bearings under the turntable. Jim Here is a photo of my table valve release button. In addition, if some components are damaged and cannot be tightened with a bolt, you will need to hire a mechanic to weld these parts. While being in reset mode, a sit stand desk can only travel downwards. Learn how to reset your sit stand desk here. But I must say if you can buy electric, buy electric. Southworth Products CorpP.O. However, we suggest that you rinse the unit two to three times to ensure proper cleaning. The load may exceed the bridge rating. The load may exceed the rating. I'm pretty sure I just pulled out the valve (J37 in pic) and pushed it back in. Inspect all fittings, hoses, and other hydraulic components for leads or damage. 24,150 So, check the manual to determine the recommended oil level for your lift and fill it up accordingly. If the lift doesnt work, you have to look for the reset breakers and replace them if they seem burnt. The cause of the tug is often due to a lack of wire management. Check for oil in cylinder in the vent line. That leads me to believe the release button/valve is stuck open. Check the amperage requirements on the motor nameplate and verify with an amp meter that sufficient power draw is available. You all saved me on this one! Problem solved, table works correctly. WARNING!!! Release the button and resume normal use of your desk. However, if the battery has a low charge, the lift wont be able to move properly and will be stuck. Add oil as necessary. Drain and replace oil. Check for obstruction in the line. WARNING! As a result, the hydraulic system will fail to operate properly. Do I just unscrew the hex nut part and have a bunch of fluid and parts come out at me? Can anyone tell me what their working one looks like and what I need to do to get mine working. Check to see if there is hydraulic oil running down the outside of the cylinder barrels at the rod end. Check and repair. 983. This will allow the table to "hyper-extend" itself past the normal range of lift or lower and then stick in its place because there isn't the correct amount of pressure inside the chamber or arm. However, before you use the pry bar, you need to drain out the oil, and the pump should be cleaned to prevent accidental spillage during lift retrieval. If fixing the control valve didnt work, it is recommended that you use a pry bar to pull down the lift. This is indicated by the pump shaft and motor turning backward on their own with no power applied. Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. A leak would cause oil to flow from the rod area when the lift is in the raised position.). Replace if necessary. On the other hand, if you dont know where the control valve is located, you can consult the manual to locate the valve. At first it would only lower very slowly. The gear reducer can be irreparably damaged by oil starvation and may have to be replaced. Thanks Bob, Ken & Russ for the helpful ideas. Scan the QR code on the right to jump to the URL this document was printed from. I am having this problem too! The most common issue associated with these lifts is their sudden refusal to move, often leaving them stuck high in the air. It may not display this or other websites correctly. Check wiring to the down valvle. Add oil as necessary. Repair as necessary. There are many different reasons why your standing desk is getting stuck, and it can be challenging to find the correct way to fix it. However, this list does share the most common causes and solutions and is a great place to start when you first notice that your desk won't move. Check by measuring the voltage at the motor terminals (or as near as possible) while the pump is running under load. Check wiring, fuses, etc. Check and repair. There is an adjustment screw to lessen the stopping pressure against the detent pins. Remove anything from under the desk that may obstruct travel. The power unit suction strainer may be clogged. You can see how it goes in to the piston in the attached pic. If you don't receive it check your spam folder before contacting us. Check with the lift at a lower level on stops. Do not check at the line source or while the pump is idling. The Freight Lift Will Not Lower (Electrically). The following steps should be followed: Remove load from lift. A photo of that area of a working lift table and any ideas would really be appreciated. Freight Lift Will Not Raise (Motor IS Running or Humming). Check for leaks or dents. You can use a booster to determine if the battery is the real culprit. No matter the application, Autoquip can build you a lift that perfectly suits your needs. Add oil as necessary (See the Routine Maintenance section). When the oil is added, try moving the lever, and the lift will come down. Check levels and fill as necessary. You can chew up the outside of the release button in the jaws of a vice and it won't matter, it will only look crappy. The rod that you would be hitting on the button is very skinny and you would likely damage one of the sealing surfaces inside of the valve. Mechanical damage is one of the common reasons behind your hydraulic lift being stuck in an upward position. Then, release. I just really don't want to tear the release valve apart if that is not the problem area. Weve worked with some of the biggest brands around the world. Velocity fuse may be locked. Your desk may turn on before 18 minutes has gone by. Loosen the screw carefully toilet air out of the system. Even after you complete the rest, you should still allow the desk to rest. 54,300 D[K4bc$#N{ ZB{xC+fyq\#d>.}!|c/F;"Xv1JRAB@qlu`|4M.M/vy&{VW/Bh0m=e/O6HH^`4cXv,awX"k8#ol64P"rYO6Le04,\LV :ho1G"! Check for low oil level or closed breather holes in the reservoir fill plug. The oil level in the reservoir may be too low. If you did a bench test on it and it holds up when extended then it should be able to hold when installed unless something is closing all the way, or something. As a safety measure, many standing desks have a collision detection feature that prevents the desk from hitting another object. Make sure that the center of gravity of the load is within 10 of the center of the turntable. (sorry if there is misspellings, couple of beers Everyone loves using technology up until it stops working, and if you landed on this article, you're standing desk isn't working and you're not exactly feeling the love. Heavy-duty tilters for 90 degree upending and repositioning. Click here for the reset instructions. The control box isn't sophisticated enough to recognize the issue, and the desk will continue to move up and down until there's too much friction within the leg columns, get stuck, and stop moving.

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