how to measure condenser fan blade

Also you need to make sure the center hub of the fan you do get fits on the motor shaft. 0000003638 00000 n 0000036930 00000 n Multiply the blade length by two and add that measurement to the hub diameter from step 3 to determine your total fan diameter. Measuring the radius of your fan blade. 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 0000049189 00000 n $59.99. 0000313671 00000 n An overview of the IO format and how the data is split into modules is found in the file pn-iomessage. 0000005916 00000 n Might be accurate to a degree or so. 0000007020 00000 n As we\\'re in the heart of air conditioner season, you may find yourself dealing with an expired condenser fan motor. In this article, we'll show you the different fan types, the proper way to measure fan size, and the large variety of fans we sell in the Performance Cooling Fans section of our website. 0000029240 00000 n I need to order a new motor and a new fan to match the old motor. 17. trailer <]/Prev 729666/XRefStm 1707>> startxref 0 %%EOF 167 0 obj <>stream 0000001882 00000 n 0000135094 00000 n If the fan pilot is Don't forget any allen screws or bolts to hold fan onto motor shaft. Measure the length of one blade from tip to base. RPM fan drive shaft input speed, test at the highest obtainable RPM. The motor is a Fasco d1701 motor and the unit is a weird unit used for an indoor pool room. Measure the distance from the floor/counter to the highest point of an undamaged blade. Fans are easy a set screw holds the shaft or a hex nut make sure to get the same pitch and diameter they can … To put all of these things together and select the right fan blade – you’re going to use Lau’s chart on propeller performance of heavy duty condenser fan blades. EXAMPLE: You have a 1/10 HP motor with an 825 RPM rating and you’re looking for an 18” diameter condenser fan blade. Required fields are marked *. 0000036634 00000 n Lau Heavy Duty Condenser Fan Blades Propeller Performance Charts. 0000309023 00000 n Try to hold what is left of blade against a protractor and guess the pitch angle of blade as best you can. To pull air back over the motor, you select the opposite rotation on the fan blade to the rotation of the fan motor. Nice catch. h�b``0a``{�����~�01�&$Q(f`Pebhi�*`� r�PU`��$ʐ������a�� �3��,LB�1��~�m�gƣ � ������r>28T���~P��kw�"cFӻwx2�94������ʞ,��� ��Bn�w@� ������o��nW������e`�` >_+� endstream endobj 166 0 obj <>/Filter/FlateDecode/Index[8 104]/Length 26/Size 112/Type/XRef/W[1 1 1]>>stream 0000005346 00000 n Measure the degree of pitch on the fan blade. 0000035054 00000 n Position the bevel protractor on the fan blade near the tip on the concave side of the blade. Pitch. Add To Cart Add to List. Infrared Inspections and How They Can Prevent Costly Downtime, How-To: Tackle Condenser Fan Blade Replacement, propeller performance of heavy duty condenser fan blades. Siddy for Model Number FRS6LF7FW4. I've been using the standard Align 325mm blades so I didn't even think about measuring the blade length. The next step is measure the radius of your existing condenser fan blade. The volume of the column of air described in Step 2 is pi (3.1416) x fan radius squared (0.5-feet squared) times the column length in feet. The condenser blade will be approximately 6" diameter. (I don't have ready access to the 'fridge to just measure it myself!) Fortunately, this is a repair that can be done by non-professionals. Can it be repaired? 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. FAN PILOT Measure the opening of the center fan plate using a caliper. Ecox Roof Top Package Parts; Ecox Split Air Conditioner Parts; Ecox Ptac, Window Parts 0000413441 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. The main thing to remember on a condenser fan motor is the main service issue is usually a bad capacitor. 18. Also be aware of moving parts such as the fan blades. Browse the 18” diameter fan blades and look at the HP ratings for 825 RPM. To find the HP and RPM rating of your new motor, simply look at the motor’s nameplate specifications. Goodman B1086756S Fan Blade 4.5 out of 5 stars 36. When moving air with a fan blade, you either push it forward or your pull it back over the motor. While fan blades are rated by diameter, best practice is to measure the radius by starting at the center of the condenser fan blade and measuring out to the outer tip. As the engine is warming up: a. Lau Heavy Duty Condenser Fan Blades Propeller Performance Charts. 0000020200 00000 n First, find the section of the chart that has your diameter. For a 4 bladed fan make sure opposite blades are equal, 1=3 and 2=4. %PDF-1.4 %���� 0000035908 00000 n While fan blades are rated by diameter, best practice is to measure the radius by starting at the center of the condenser fan blade and measuring out to the outer tip. 0000001707 00000 n Note: This video is intended to give you the general idea of the part replacement procedure. 0000031627 00000 n $31.00 / EA QTY. Question: Condenser fan motor makes noise when the blade is on the motor (May 5, 2014) ernest said: Condenser fan motor makes noise when the blade is on the motor and no noise when the is off the shaft. Begin by turning off the power to the A.C. unit. Just use it to measure the air flow before and after cleaning the condenser coil. The condensing coil is the part the fan draws air through.

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