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motor

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  1. T

    3 phase motor reversing itself

    Hi I have a 3 phase 400v motor wired in star configuration it is controlled via a 3 pole 415v coil contactor which is switched simply via a stay put stop ... In for off Out for run.. ( Spanish design ) there is also a single phase fan connected between one phase and the star point of the motor...
  2. M

    how hot can be a single phase motor ?

    Hello! I have a high-pressure compressor equipped with a single phase motor! The motor have 2 capacitors, 1 continuous and 1 for starting, with a relay for isolation . The motor is old, but it's still working! I have changed the capacitors with new ones and the cable too. The motor work ok! I...
  3. E

    Shower Pump Motor - Considered Running Temperature ?

    Would you consider a single phase Shower Pump Motor operating with a temperature high enough to burn finger tips touching the motor body, to be too high. Shower pump stopped during shower, checked various things. Fuse ok etc. Although the motor as said by the manufacture to have thermal...
  4. A

    Any tips on going about cleaning the inside of this motor?

    It's from an old drill press that I was given. Besides a vacuum, I have no idea what else to do to it to clean it up.
  5. M

    Motor controller needed...

    Hi there. I have a motor that used to be attached to a milling machine, then it wasn't, then all the bits got lost, now I'd like to reconnect it but I'll have to wire it up again. I'm perfectly happy with the wiring and logic, but I have no idea how to spec a controller. It's an x feed motor...
  6. R

    3ph motor not working

    Hey, newbie here. I'm very experienced DIY, but just got into 3 phase motors this year. I bought several 3p motors at auction ranging from 0.5 to 5hp. Bought and configured a VFD to be able to test them, but mainly to run my lathe. The VFD works fine on most of the motors. I've run across 2...
  7. gazdkw82

    Kirby vacuum motor repair

    I have owned a kirby for the last 10 years and love it. Iv replaced a few parts in the past as they are generally maintenance friendly. However, the machine started making a strange rattling noise the other day. Took it apart and noticed the commutator is missing a tooth and look very warn. I'm...
  8. Z

    Three phase motor help

    Hello all, I recently was asked to quote a three phase motor install within a pallet factory. To be honest, I was somewhat stumped in how to attack it as the sheer size and the control cabinet was gigantic. Although I'm mainly a domestic, commercial spark, this was somewhat out of my league. The...
  9. M

    Motor speed controller

    The local Men's Shed has some machine tools, all 1 phase, typically 1 KW, ~~ 20 years old. A member asked me to see if I could make them run at variable speed. At present you can only change speeds by moving a belt from one pulley to another, which is inconvenient. I found some variable speed...
  10. P

    TV Lift Reverse Polarity Motor and Limit Switches perhaps?

    Hi. I want to control a TV Lift from a home automation system. Its hasn't got any standard way of doing this and the person setting the home automation needs to know just a few things to get it working. Ive had an electrician look at the control box and motor, he's figured out that the...
  11. M

    IR Testing DOL Motor

    When testing a DOL motor is the best method to disconnect the cables from MCB to DOL and connector block them. Then disconnect cables from DOL to Motor and connector block them and then IR both set of cables. Or would switching the isolator off and test from MCB to DOL then DOL to Motor without...
  12. T

    Motor controls, DOL starters etc

    Hi all. I'm looking to build myself a rig with a small single phase motor and learn a bit more about motor controls etc. I mostly do domestic and some commercial but haven't much experience with motor controls. I always looks at ways to improve myself and my electrical knowledge. Most DOL...
  13. P

    Table saw motor wiring

    Hello people. My old man has a table saw and water has got in the switch, he decided to remove it ready for me to replace and due to poor memory can't remember how it was wired up. I've not had much experience with motors etc but from what I can work out it's wired as follows: I haven't...
  14. P

    Asking for help wiring 120 VAC to an old vacuum cleaner motor. The 3 wire harness has wires that are red, yellow and blue.

    Asking for wisdom re wiring 120 VAC to an old vacuum cleaner motor. The 3 wire harness has wires that are red, yellow and blue.
  15. Marvo

    Hillier's Fundamentals Of Motor Vehicle Technology 2006

    Marvo submitted a new resource: Hillier's Fundamentals Of Motor Vehicle Technology 2006 - Hillier's Fundamentals Of Motor Vehicle Technology 2006 Read more about this resource...
  16. J

    66 Falcon 2 speed wiper motor

    I have a 66 Ford Falcon with a 2 speed wiper motor that stopped working. I found that the motor body was isolated from grounding to the car body. I was able to get it to work again by connecting a ground wire from wiper motor body to the car body. My question is why is the wiper motor isolated...
  17. D

    Hi i rell need some.help window motor wiring

    Hi I want to use a window motor to build a pop up tv in my van , but can't work out how to wire it up iv got 6 pins .... where do I put the positive and ground ???? Iv taken some pics but can't upload them on here please some one help me
  18. I

    DIY Motor Switch Wiring

    Hello! I'm trying to replace a reversible AC boat lift motor switch with a wireless relay switch. The current switch has 6 wire connections and the wireless switch only has 5. Can somebody help me with wiring the wireless relay correctly. The drum switch is the original working setup and the...
  19. M

    3ph motor on inverter

    Hi Guys, Thanks for the add, got a reasonable understanding but motors ant my thing. Trying to run a 3kw 3ph motor on a Alan Bradley Inverter that I Have had for a few years. It isn't happening on load so 3000/240 is 12.5A this total so 4A per phase? So the AB is rated at 230v 12A is 2760 or...
  20. I

    Having trouble with a 240v AC motor

    Im in the process of fabricating a motorized flatbar roller, and I have a 240V 5hp AC motor with 4 leads. Im controlling it using a dual foot pedal box, that controls 2 contactors, which these 2 contactors are there to reverse the motor by having one contactor T1+T5 & T4+T8, while the other...

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