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Shopsmith mark V power switch bad?

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Forum topic by Wildvortex posted 04-11-2017 05:51 PM 1054 views 0 times favorited 15 replies Add to Favorites Watch
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Wildvortex

40 posts in 476 days


04-11-2017 05:51 PM

Topic tags/keywords: question drill press jointer planer tablesaw

An elderly friend who has a shopsmith and it will not run. The switch does not feel like it is switching. The switch moves way too easy IMO not like most of my power tools. Does this sound like a bad power switch?

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.


15 replies so far

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Lee

95 posts in 713 days


#1 posted 04-11-2017 11:57 PM

Unplug the machine, remove the switch from the machine and check it with an ohm meter.

-- Colombia Custom woodworking

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Wildvortex

40 posts in 476 days


#2 posted 04-12-2017 12:13 AM

Yup, was trying to avoid that. They give absolutely no slack on those wires. Tough to keep them straight when there is little access.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

View Betsy's profile

Betsy

3391 posts in 3730 days


#3 posted 04-12-2017 12:51 AM

I had a similar issue with my switch. Tried to do the ohm meter to no avail. I stopped messing with it and just got a new switch. It’s easy to switch (yep pun intended) them out. Never had another problem.

-- "Our past judges our present." JFK - 1962; American Heritage Magazine

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Lazyman

1502 posts in 1222 days


#4 posted 04-12-2017 02:56 AM

Sometimes switches get saw dust in them. If the switch can be opened and isn’t just glued shut, you may be able to just blow the dust out will make it work again.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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Wildvortex

40 posts in 476 days


#5 posted 04-12-2017 11:42 AM

Yup, was trying to avoid that. They give absolutely no slack on those wires. Tough to keep them straight when there is little access.


Sometimes switches get saw dust in them. If the switch can be opened and isn t just glued shut, you may be able to just blow the dust out will make it work again.

- Lazyman

Unfortunately it is a sealed switch. No way to open it. That was the first thing we looked at. Plus this machine has seen little use. He purchased it and a short while later​ he got sepsis and hasn’t been able to use it since.

He wouldn’t let me just order a new switch for him but I believe I am just going to do it. I will let you know how it works out.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

View dhazelton's profile

dhazelton

2608 posts in 2131 days


#6 posted 04-12-2017 12:04 PM

Can you remove the wires at the motor end and check for continuity there?

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Wildvortex

40 posts in 476 days


#7 posted 04-12-2017 04:06 PM

It is all internalized. I just ordered a new switch. He has done alot for me and I alot for him. What’s $25 between friends. He would never do it without checking the switch or someone stating that it sounds bad. I just did it for him. Then need to find a buyer for it.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

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dhazelton

2608 posts in 2131 days


#8 posted 04-13-2017 12:47 PM

I’ve had an electric chainsaw and a skilsaw that went dead on me and I ordered new switches. Both times it wasn’t the switch. That’s why I got a meter and learned to use it.

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Wildvortex

40 posts in 476 days


#9 posted 04-13-2017 01:19 PM

Trust me I know how to use a meter and have one. I used to do radio repair in the army. The use of the meter is not the problem. It is the length of the wires and trying to keep the 4 wires straight once the switch is disconnected. There is enough wire to get the switch out…With strain on them.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

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Wildvortex

40 posts in 476 days


#10 posted 04-13-2017 02:06 PM

The switch just moved WAY too easy for a power tool. If it is good it is a dangerous setup.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

View realcowtown_eric's profile

realcowtown_eric

608 posts in 1772 days


#11 posted 04-14-2017 03:17 AM

From past experience cleaning shops with compressed air (might have happened)/might not have) Compressed air witll blow the fine dust into a switch and plug up the contacts …

Before you go whole hog and replace the switch, Just take the shop vac and put it over the switch and see if that fixes iit. Quick fix if it works, if it don’t , it’s time to replace the switch

Eric

-- Real_cowtown_eric

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Wildvortex

40 posts in 476 days


#12 posted 04-14-2017 11:45 AM

No forced air in this situation and the machine is hardly used. He bought it and used it to cut a small amount of balsa to build a RC plane. Then, he got sepsis and has not used it since. He doesn’t even own a air compressor.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

View dhazelton's profile

dhazelton

2608 posts in 2131 days


#13 posted 04-14-2017 11:49 AM

“It is the length of the wires and trying to keep the 4 wires straight once the switch is disconnected.”

Well, you’ll have the same problem whether you remove the old switch to test as you will to replace. Maybe you can splice in a short section of new wire when you do the job.

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Wildvortex

40 posts in 476 days


#14 posted 04-14-2017 12:10 PM

Enough room to remove a wire and right away plug it into the new switch until completely swapped over. Once done I will never need to remove it again as once it is back up and running it will be sold. He is too old to use it and I have all the power tools that he has for attachments.

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

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Wildvortex

40 posts in 476 days


#15 posted 04-22-2017 12:00 AM

Changed the switch and it fired right up. All is well

-- Use caution, slow down, and use the tool properly...the ER would love to have your money...don't give it to them.

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