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Just a FYI for saw stop owners

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Forum topic by daddywoofdawg posted 10-28-2016 07:49 AM 1675 views 0 times favorited 25 replies Add to Favorites Watch
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daddywoofdawg

1022 posts in 1414 days


10-28-2016 07:49 AM

Topic tags/keywords: tablesaw

Just a FYI for saw stop owners
Did you know that setting the cartridge on the metal table when changing blades (nothing else just sitting it down) can/will/may cause the cartridge to fire off.
always set it on a piece of cardboard,even damp wood can set it off.


25 replies so far

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ellen35

2732 posts in 3272 days


#1 posted 10-28-2016 10:40 AM

Thanks for the heads up… why do I feel like you learned the hard way!

-- "Don't let the perfect be the enemy of the good." Voltaire

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Redoak49

2906 posts in 1828 days


#2 posted 10-28-2016 10:52 AM

I have done it a lot of times when changing to a dado cartridge and never happened. I thought it had to be plugged in to operate.

View Fred Hargis's profile

Fred Hargis

4766 posts in 2332 days


#3 posted 10-28-2016 10:52 AM

Interesting. I hadn’t heard (and did not know) that. Wouldn’t you have to contact some of the pins inside the connector to make it fire (asking out of ignorance)? Regardless, when that happened I’ll bet the cartridge made quite a jump across the table.

-- Our village hasn't lost it's idiot, he was elected to congress.

View OggieOglethorpe's profile

OggieOglethorpe

1276 posts in 1949 days


#4 posted 10-28-2016 11:02 AM

What did SawStop say when you contacted them about this?

It sounds hinky that it fired with no power on the connector. I bet SS would love to examine the fired cartridge, and would trade you for a free replacement.

View gmc's profile

gmc

49 posts in 1996 days


#5 posted 10-28-2016 11:23 AM

Interesting. Never had that happen but appreciate the heads up. Can’t be hard to put a rag down to place it on now that we know. Be interesting to see what saw stop has to say about it.

-- Gary, Central Illinois

View TarHeelz's profile

TarHeelz

58 posts in 1920 days


#6 posted 10-28-2016 12:13 PM


What did SawStop say when you contacted them about this?

It sounds hinky that it fired with no power on the connector. I bet SS would love to examine the fired cartridge, and would trade you for a free replacement.

- OggieOglethorpe

Exactly. Nothing in the manuals about this and I’ve never had a problem. (Have to wonder how the metal of the table could have any effect on the cartridge given there is no connection, electrical charge in the cartridge, and no blade to serve as a sensor.)

-- Tar Heelz, Durham, NC USA

View Dan's profile

Dan

645 posts in 1731 days


#7 posted 10-28-2016 12:21 PM

Did the saw get turned on while switching out cartridges?

-- Peace on Earth

View Redoak49's profile

Redoak49

2906 posts in 1828 days


#8 posted 10-28-2016 08:47 PM

I really do not believe that you can set off the cartridge by placing it on a metal surface.

I wrote to SawStop this morning and this is the response that I got…

“The only way a brake cartridge can fire is when its actually inside the saw and the saw has power going to it.”

If someone claims this happens, they should be in contact with SawStop and have them examine and replace the cartridge.

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Carloz

985 posts in 431 days


#9 posted 10-28-2016 11:43 PM

Nothing to do with setting on metal. A cartridge has a trigger spring held by a thin fuse. It you slam the cartridge on something hard the fuse may break and the spring go off. I would guess SS should replace it in that case.

View Redoak49's profile

Redoak49

2906 posts in 1828 days


#10 posted 10-28-2016 11:53 PM

IMHO…....If you mis-treat an expensive piece of electronics by slamming it down, I do not think SS should replace it.

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Rick_M

10641 posts in 2219 days


#11 posted 10-29-2016 01:37 AM

I think we’ve been trolled.

-- http://thewoodknack.blogspot.com/

View daddywoofdawg's profile

daddywoofdawg

1022 posts in 1414 days


#12 posted 10-30-2016 07:29 PM

no no troll,not slammed down just somehow,it made a contact and fired,there is also people on you tube talking about it happening to them.
You can take this it with a grain of salt,but why not just be careful in case it’s true?( which it is).
here at 4:00 is another example of it happening.
https://www.youtube.com/watch?v=mw5RH8kKBTw

View DirtyMike's profile

DirtyMike

637 posts in 741 days


#13 posted 10-30-2016 08:00 PM

A large current of electricity is suppose to burn the tether that holds back the spring powered aluminium block. Are the tethers somehow being weakened by humidity, vibrations, handling? There have been other cases of premature cartridge fire while out of the machine.

View Dave Rutan's profile

Dave Rutan

1662 posts in 2028 days


#14 posted 10-30-2016 09:20 PM



no no troll,not slammed down just somehow,it made a contact and fired,there is also people on you tube talking about it happening to them.
You can take this it with a grain of salt,but why not just be careful in case it s true?( which it is).
here at 4:00 is another example of it happening.
https://www.youtube.com/watch?v=mw5RH8kKBTw

- daddywoofdawg

I was wondering if a static discharge would be enough to trip a disconnected cartridge.

-- Ni faru ion el ligno!

View scott0317's profile

scott0317

58 posts in 1295 days


#15 posted 10-30-2016 09:42 PM

Don’t you love it when you post something to be helpful and then told you’re wrong. Anyhow, amazing that this happens and from your video, you are not alone. I would think this could be a huge liability to sawstop; a cartridge flying across the room. I for one would like to see this play out. Please keep us posted with your communications with the company.

-- I've almost got all the tools I need, almost.

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