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Harbor Freight 2000# Hoist Motor Wiring

mwalczak

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May 7, 2024
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2
I have built a lift that goes from my basement to the garage. So, I am not using the supplied switches. What I have is a plc and a contactor to switch the actual current. The motor drives a shaft that has 4 pullies attached to it. That all works great, and the lift worked well with the 440# motor, but I was too small. So, I purchase the #2000 hoist. My problem is wiring it into my controller, the wiring is different compared to the #440. This motor has 2 blue, 2 red, and a yellow, what I would like to know is what each wire does and how it is wired. I have connected the 2 blues together and the 2 reds together yellow goes to the hot lead. This gets it to move up and down, but there are two issues. The first is while it can lift more weight, it is not a lot more weight. The second is when going down and I go to stop it, the motor keeps turning, I know there is no power going to it and the brake doesn't activate. It does slow down some. To stop it I have to push the up button and the brake will engage and the motor will then stop.
 
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driftpin

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I have two of them. You may not have the travel limit switch where it needs to be for your lash-up. Pictures, a plate I.D. # for the machine, and several of the lift layout.


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And for God's sake do not ride the hoist! Now, or in the future. Do not stand anywhere near it when the lift is operational. Carry your cellphone so when something fails, you can call for help.
 
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RPH

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Michigan Thumb
My concern would be the brake. As soon as power is removed from the motor the deadman brake should engage and hold load. If the brake is energized the whole time, it will not set. I suspect wiring error.
As said before: DO NOT RIDE IT, DO NOT STAND UNDER ANY SUSPENDED LOAD.
My experiences have been that gravity works exceptionally well.
 
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mwalczak

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May 7, 2024
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How can we possibly answer this with no diagrams, no pictures, no PN or any actual details.
Ah the internet breeds people like you, and I can almost guarantee then other than being rude you were not going to provide an answer. But in case you are interested in this problem. There is nothing to see. As I said, there are 5 wires coming out of the motor, 2 red, 2 blue and a yellow. Other than drawing a box, labeling it "motor", and bringing 5 wires out and labeling them "Red 1", "Red 2", "Blue 1", "Blue 2" and Yellow. I thought a drawing was more than what is needed. I was hoping that someone who is more familiar with these AC motors could just tell me how a 5-wire AC motor coils are arranged and how to identify them. I took pictures of the connections when I opened the box that held the connections, but I didn't for switches, I didn't think I would need them, I didn't #440 hoist motor.
 
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PCustoms

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Ah the internet breeds people like you, and I can almost guarantee then other than being rude you were not going to provide an answer. But in case you are interested in this problem. There is nothing to see. As I said, there are 5 wires coming out of the motor, 2 red, 2 blue and a yellow. Other than drawing a box, labeling it "motor", and bringing 5 wires out and labeling them "Red 1", "Red 2", "Blue 1", "Blue 2" and Yellow. I thought a drawing was more than what is needed. I was hoping that someone who is more familiar with these AC motors could just tell me how a 5-wire AC motor coils are arranged and how to identify them. I took pictures of the connections when I opened the box that held the connections, but I didn't for switches, I didn't think I would need them, I didn't #440 hoist motor.

Wow.

Good luck!
 

driftpin

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Dec 22, 2016
Messages
11,249
Location
Miami-Dade/Broward Co. Florida
I had a similar issue with my 2000 pound Harbor Freight Tools hoist. I bought a replacement switch assembly, and it did not help the problem. What it apparently turned out to be was the safety micro switch for cable travel limit. I had the motor disassembled and could not find anything there that was the cause of the problem. When I bypassed the safety switch it started operating in both directions where previously it had only operated in one, "down."I tried swapping out the capacitors to see if a capacitor fault was the issue but swapping them into different positions did not cause the lack of controller function to follow the problem. Then I bought a new replacement up/down switch which did not solve the issue. At that point, seeing nothing else that possibly could be the cause of the issue I tried taping down the safety limit micro switch so it was always in contact (switch closed) and the motor started working in both directions again. If I removed the tape holding the switch closed the problem would reoccur. You would think that the switch being closed would cause the motor to stop and not work in the up position. The configuration that I had the hoist in was to operate as a jib crane as part of another assembly.
 
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dogdog

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I don’t think he is coming back, you guys just hurt his tender feelings
 
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