I don't think 5mm or so on the blade length will make that big a difference in the calculations. I don't think 5mm or so on the blade length will make that big a difference in the calculations. Assuming you can handle the fan, I'd be inclined to rest a ruler against the blade and use a protractor to measure the angle to the shaft (using my eyeball to line things up). Write the degree on a piece of paper. Answered by AppliancePartsPros.com … 0000001416 00000 n Write the degree on a piece of paper. 0000512219 00000 n 0000724897 00000 n Assuming you can handle the fan, I'd be inclined to rest a ruler against the blade and use a protractor to measure the angle to the shaft (using my eyeball to line things up). 0000003082 00000 n Another way of looking at it is that the fan is moving an 800-foot-long column of air that is 1 foot in diameter through space each minute. Current blade is 2-blade, not sure what pitch. 4. Will replacing with a 3 blade make much difference vs. a 2 blade based on the information in this article? Pitch is measured at the spider/lobe, not on the blade, and it's common for fan blades to have slightly different pitches and still achieve the same performance. 0000004937 00000 n The main thing to remember on a condenser fan motor is the main service issue is usually a bad capacitor. 0000020314 00000 n That's the pivot point. If you are removing the fan blades to find that the motor becomes "silent" three possibilities occur: 0000032367 00000 n The blade's pitch is the amount of twist the blade has on the hub, and can be measured using a pitch gauge. Simply take the radius and multiply it by two to give you the diameter. By using these four items, you can have confidence in knowing that you selected the proper replacement condenser fan blade for your new condenser fan motor. The next step is measure the radius of your existing condenser fan blade. One of the fan blades broke off and messed up the interior surface of the housing. 0000419188 00000 n The condenser fan motor assembly has a condenser fan motor, a fan blade, and an internal control system. Goodman B1086756S Fan Blade The system must be able to measure, in real time, the ambient conditions and the effect thereof on the fan blades and gearbox. 0000130281 00000 n 1085958 - ICP Replacement Condenser Fan Blade -3 x 18" CW 5.0 out of 5 stars 2. That's the pivot point. 0000309023 00000 n Measure the Amps Take caution when measuring Amps or Voltage as HVAC has high voltage running to units. Hopefully, the tech that replaced the fan motor set the blade at the same distance as the original. Checking The Rpm On A Condenser Fan Motor I was called out on a second opinion, and the guy reported that the motor was turning at 1,000, last year, and 700 this year. Siddy for Model Number FRS6LF7FW4. 0000005916 00000 n 0000029776 00000 n Might be accurate to a degree or so. 0000031627 00000 n The condenser blade will be approximately 6" diameter. I've been using the standard Align 325mm blades so I didn't even think about measuring the blade length. I have what is probably an ancient Ruud UAKA-018JAZ 1.5 ton A/C that crapped out on me this morning. B1086756 - Goodman Replacement Condenser Fan Blade -3 x 18" CCW 4.4 out of 5 stars 39. 3. Blade pitch is the angle at which the blades are set relative to parallel to the ground. Select the appropriate condenser fan blade or blower fan with options that include two to five blades, and propeller diameters from 10 inches to 28 inches. $44.73. As we\\'re in the heart of air conditioner season, you may find yourself dealing with an expired condenser fan motor. It’s important to note that shaft rotations are given from shaft end orientation. Note: This video is intended to give you the general idea of the part replacement procedure. 0000046238 00000 n Finally, select the proper rotation based on your desired direction of airflow. 0000002622 00000 n look close if some fins are a little bent that will reduce the efficiency but it will still work with a new fan. To put all of these things together and select the right fan blade – you’re going to use Lau’s chart on propeller performance of heavy duty condenser fan blades. The motor’s bearings often fail when the fan blade the motor is driving isn’t balanced properly. Required fields are marked *. Tear off a small piece of adhesive tape approximately 2 inches long and write "1" on it with your permanent marker. Add To Cart Add to List. Click the part number and you’re done. 0000024255 00000 n 17. This issue generally surfaces during summer, when the weather is hottest. Don't forget any allen screws or bolts to hold fan onto motor shaft. 0000001882 00000 n 18. $31.00 / EA QTY. Measure fan blade speed with the digital photo-tachometer (Figure 4) If the vehicle is equipped with shutters, they should open automatically before the fan drive engages. If the motor is bad, measure the fan blade height to the finger guard before you ever remove it. Position the bevel protractor on the fan blade near the tip on the concave side of the blade. 0000036930 00000 n Ecox Roof Top Package Parts; Ecox Split Air Conditioner Parts; Ecox Ptac, Window Parts Almost all motors have this information printed onto a sticker that’s attached to the side of the motor. Try to hold what is left of blade against a protractor and guess the pitch angle of blade as best you can. 0000654684 00000 n Measure the length of one blade from tip to base. 0000049189 00000 n 0000409827 00000 n Notice that the 23 degree pitch blade is rated for 0.103YOU’RE Your 0.10 HP motor comes in right under the 0.103 HP, so this would be the proper replacement blade for a 1/10 HP motor at 825 RPM. Just use it to measure the air flow before and after cleaning the condenser coil. I was hoping that just replacing the fan blade would be enough to get my cool air back, but alas, no such luck. 0000003638 00000 n Step by step instructions on how to replace a Condenser Motor Fan Blade #240524102 for Refrigerator made by Frigidaire, Gibson, Kelvinator, Tappan, White Westinghouse, Kenmore. 0000003601 00000 n Only 2 left in stock - order soon. The next step is measure the radius of your existing condenser fan blade. 0000035054 00000 n The motor is a Fasco d1701 motor and the unit is a weird unit used for an indoor pool room. 0000624390 00000 n It is commonly stated that "the steeper the blade pitch, the more air a fan will move" or "a good fan will have a blade pitch of 14 degrees or more". Measuring the radius of your fan blade. The motor is no good as well. 0000024771 00000 n How to Fix a Broken Condenser Fan. PROJECTED WIDTH (PITCH) With your fan engine side down on the floor/counter. 0000002055 00000 n $59.99. Next, turn your motor’s fractional HP into a decimal and match it with the proper RPM without going over the listed HP (see example below). In this case, the original was a four blade 18” fan with a 27 degree angle – but you don’t know that. First, find the section of the chart that has your diameter. I've been using the standard Align 325mm blades so I didn't even think about measuring the blade length. Knowing the angle of the blade and the distance … B1086756 - Goodman Replacement Condenser Fan Blade -3 x 18" CCW 4.5 out of 5 stars 46. 0000029240 00000 n Lau Heavy Duty Condenser Fan Blades Propeller Performance Charts. My AC unit is an old Ruud, installed in 1981. 0000035453 00000 n If the fan pilot is lemon shaped (see photo 4a) your pilot will always measure 2.56”. Then manually try spinning the fan blade. Here’s the reason why – condenser fan motors commonly fail when their bearings fail. Simply take the radius and multiply it by two to give you the diameter. 0000007926 00000 n I have what is probably an ancient Ruud UAKA-018JAZ 1.5 ton A/C that crapped out on me this morning. It is always best to check the specs on the fan blade before replacing the condenser fan motor on any unit, and especially on older models. If you have a meter with an Amp Clamp it will simply need to be clamped around a wire that is pulling power, which are the wires coming off the motor and going to the pole, 120 volt, 220 volt. 0000142894 00000 n Might be accurate to a degree or so. The HP at 1075 rpm is .17 which is slightly above the .16667 (1/6) … does this work? Turn 1/10 HP into a decimal to get 0.10 HP. Fans are easy a set screw holds the shaft or a hex nut make sure to get the same pitch and diameter they can … 0000135094 00000 n A CW motor paired with a CW fan blade will push air forward – as will a CCW motor paired with a CCW fan blade. The condensing coil is the part the fan draws air through. h�bbbd`b``Ń3�E� �� endstream endobj 113 0 obj <>/Metadata 6 0 R/PageLabels 3 0 R/Pages 5 0 R/StructTreeRoot 8 0 R/Type/Catalog/ViewerPreferences<>>> endobj 114 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/TrimBox[9.0 9.0 603.0 783.0]/Type/Page>> endobj 115 0 obj <> endobj 116 0 obj <> endobj 117 0 obj [/ICCBased 129 0 R] endobj 118 0 obj <>stream EXAMPLE: You have a 1/10 HP motor with an 825 RPM rating and you’re looking for an 18” diameter condenser fan blade. Only 4 left in stock - order soon. I need to order a new motor and a new fan to match the old motor. 0000006354 00000 n Simply count the number of blades. 0000413441 00000 n Nice catch. 0000516877 00000 n When moving air with a fan blade, you either push it forward or your pull it back over the motor. $54.09. to measure the stresses within the neck of a fan blade during operation. 0000008614 00000 n To push air forward, you need to match the rotation of the fan blade with the rotation of the fan motor. To pull air back over the motor, you select the opposite rotation on the fan blade to the rotation of the fan motor. Start by confirming the issue is in fact a motor in need of replacement. Choose one of the following: 1” 2” 2.05” 2.56”5”. 112 0 obj <> endobj xref 112 56 0000000016 00000 n Browse the 18” diameter fan blades and look at the HP ratings for 825 RPM. Here are a few tips to help you and your salesman determine the right replacement condenser fan blade to get your customer up and running. 0000035908 00000 n 0000417055 00000 n 0000001707 00000 n Condenser fan is out of balance. 0000028772 00000 n 0000009280 00000 n How do i measure the fan to order it? However, without the correct information, you can’t accurately replace the blade. 0000041584 00000 n Our Story. 0000031974 00000 n Measure the distance from the floor/counter to the highest point of an undamaged blade. Also, wondering if 3-blade vs. 2-blade is acceptable and, is a 1980 design blade going to weigh more than a 2019 design? FAN PILOT Measure the opening of the center fan plate using a caliper. If you see another home in the neighborhood with the same condenser maybe they would let you measure the distance between the blade and the motor. My refrigerator condenser fan was burned out, and it was so weak you could stop it with your hands, and over time it will stop working. Can it be repaired? Fortunately, this is a repair that can be done by non-professionals. 0000007203 00000 n Measure the opening of the center fan plate using a caliper.
2020 how to measure condenser fan blade