motor

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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.
  6. 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...
  7. 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...
  8. 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
  9. 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...
  10. 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...
  11. 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...
  12. P

    elektra bekum planer thicknesser motor problems

    hi, everyone. i need some helpful advice, my planer thicknesser has stopped working. i noticed that one of the capacitors had sort of melted so got the information off the side and ordered a new one. i bought a slightly higher replacement as i know that you should never use a lower spec one...
  13. N

    Two speed wiper motor

    I have a 1960 Triumph TR3a which has one-speed wipers that just move the water around. I decided to put in two-speed wipers using the Lucas motor from an original Mini. The connections are power, low-speed, high-speed and park. My question is do I need to earth both low-speed and high- speed to...
  14. H

    Why is a PMDC motor getting hard, when on load after 10 years of service?

    Why is a PMDC motor getting hard, when on load after 10 years of service?
  15. R

    USA Motor ID & VFD Selection

    I bought a fairly antique 20" Monarch bandsaw. It came with a gigantic (~16" diameter) 5HP electric motor. I'm not sure a bandsaw of this size needs this much motor, but since I have it, I'll try to use it. The motor appears to be 5HP 3Phase, and probably 1730RPM. It is old enough that I can't...
  16. midsomerdave

    Electric motor wiring

    I have a single phase 230V motor from an old concrete mixer. There's one of each black, white, red & green wires coming from inside. How is this connected please?
  17. C

    Lights 15 amp circuit dims when hot tub motor kicks, 60amp circuit?

    I have an extra 200 amp panel in aux garage and only exterior lights and hot tub are on it right now. Everything my hot tub motor kicks on, the 15amp light circuit with lights dims for a second. The tub is on a 60amp circuit. How can this happen? I thought the purpose of separate circuits is...
  18. The apprentice

    Motor controls

    Could anyone show me a forward revers and stop motor wiring diagram thanks in advance just trying to learn a bit
  19. R

    Can a difference in phase voltages cause a motor to fail?

    Here is the background: A new Grundfos 3 phase sump pump was installed in a bore hole to pump groundwater to a holding tank. After 6 weeks the motor failed, the installer measured the voltage of the 3 phases which at the time were P1-237v P2-250v P3-233v and suggested this was the likely cause...
  20. M

    Can a 3 phase motor that is running on single phase have 2 directions?

    I am needing to know if this wiring diagram is showing a few things: 1: Does this show a 3 phase to single phase conversion? 2: Does this show that the motor can turn in 2 directions with the same internal wiring if you toggle the SPDT switch?

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