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Author Topic: Delta 18" Radial Arm Saw  (Read 3122 times)

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Offline Don P

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Re: Delta 18" Radial Arm Saw
« Reply #20 on: March 17, 2017, 08:52:36 AM »
It's in a shop with lights? Roll it over to the panel and wire it into a breaker for a trial run. The black capacitor looks like a start, the metal cap a run.

Offline thechknhwk

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Re: Delta 18" Radial Arm Saw
« Reply #21 on: March 17, 2017, 10:32:41 AM »
I watched that video yesterday and those saws are awesome.  I want that 24"er.

Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #22 on: March 18, 2017, 07:26:33 AM »
Well I don't have to worry about whether I should buy it...somebody else bought it and I am OK with that.

Offline Kbeitz

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Re: Delta 18" Radial Arm Saw
« Reply #23 on: March 18, 2017, 07:03:30 PM »
Just remember that a radial arm saw takes a zero pitch blade.
Try something different and you might be laying on the floor.
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Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #24 on: March 18, 2017, 09:15:45 PM »
Yes sir, zero or negative 5.  That is what I used in my Crapsman 10" RAS before I sold it.  It's funny, I went from RAS to SCMS and now I am looking to to back.

Offline Darrel

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Re: Delta 18" Radial Arm Saw
« Reply #25 on: March 19, 2017, 12:53:59 AM »
Happy birthday SlowJoeCrow!
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Offline Solomon

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Re: Delta 18" Radial Arm Saw
« Reply #26 on: March 19, 2017, 08:55:07 PM »
I saw a 14 inch delta  RA   for $125.00 on a woodworking forum, I can't remember witch one now but , arm saws are for sale everywhere and cheap,  If it were me, I'd shop around before paying 400 for it.   If you don't absolutely have to have an 18 inch RA, you might do well to shop around and find a 16,14,or 12 inch saw in good working order that's single phase.    Plug and play !! ???
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Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #27 on: March 20, 2017, 07:40:52 AM »
Yep, I don't need a 18".  Ideally I want a 14" with a single phase motor.  I'm sure I will find one, just a matter of time.  I was bidding on an older Delta Multiplex 40-B a couple of weeks ago that would have been perfect, but I let it slip away on accident...whoops!

Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #28 on: May 31, 2017, 10:53:28 AM »
Well, I went smaller, quite a bit smaller.  I just picked up a Delta 12" radial arm saw, a 33-890.  I think it will work for want I want to do with it.  It has the 2 hp 230v motor.  This saw was bought by a lady on recommendation of her live-in boyfriend at the time and then never used.  It might have cut wood like twice.  Maybe three times.  It has the factory delta blade on it (non-carbide teeth) which is still sharp.  The original mdf table and fence has NO SAW KERFS IN IT!

I am currently going through the adjustments and will post some pictures soon.  Eventually the table will need replaced as it is bowed from time but my immediate use for it isn't precision woodworking so I will let it go for a while.  I do have a proper new blade coming for it.  I am anxious to see the power difference between this saw and the 10" craftsmen that I used to own that claimed 2.5 hp (yeah right!)

Offline Darrel

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Re: Delta 18" Radial Arm Saw
« Reply #29 on: May 31, 2017, 01:24:05 PM »
That should be a good saw and will serve you well
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Offline hackberry jake

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Re: Delta 18" Radial Arm Saw
« Reply #30 on: July 24, 2017, 10:04:56 PM »
https://www.facebook.com/TripleTreeWoodworks

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Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #31 on: February 12, 2018, 09:39:56 PM »




Welp, today was a lucky day.  I cant understand why, but while this saw was running, the blade nut on the arbor shaft backed out and the blade dropped off the shaft at full speed, hit the table and came straight towards me.  It hit me right in the hip, glanced off and flew about 25' across the shop.  Very very lucky I didn't get hurt.  My Carhart coat saved me, the blade tore it up instead of my skin.  I think if I didn't have the coat on, it would have went through my shirt and pants and tore me up a bit.
Here is a picture of what it did to my coat.
 

 
That's not all, after that close call, the start capacitor on the motor is toast all of a sudden.

I am still trying to figure out why the nut backed out and the blade came off.  It doesn't make sense to me.
Stay safe everyone!


Offline SlowJoeCrow

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Re: Delta 18" Radial Arm Saw
« Reply #32 on: February 12, 2018, 09:58:06 PM »
Is anyone familar with the motors on these saws?  The start capacitor is junk all of a sudden, it dumped the electrolite fluid out of it and started smoking bad after I tried to start it up again after the blade flew off.  It will start up but starts to smoke and spits fluid everywhere.  I was wondering if the capacitor went bad while the saw was running and that somehow jolted the motor and made the nut loosen up. 
I don't know much about capacitors, much here is pictures of both capacitors






It's the first one, the Phillips that blew.
Now I am questioning if that is the proper capacitor to begin with.  The saw is 230volt and the capacitor is 125 volt.  Can anyone educate me on this?

Offline Kbeitz

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Re: Delta 18" Radial Arm Saw
« Reply #33 on: February 12, 2018, 10:02:02 PM »
My bet is for some reason the motor locked up.
That's why the nut came off the arbor shaft.
That would also be the reason the capacitor went bad.
The motor was trying to restart with a locked arbor.

Glade you din't get hurt.
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Offline Larry

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Re: Delta 18" Radial Arm Saw
« Reply #34 on: February 12, 2018, 10:19:57 PM »
I'm not sure what that motor uses, but the centrifugal switch or potential relay cuts the capacitor out of the circuit when running.  Like Kbeitz I think the motor had to come to a sudden stop for the nut to come off. 

Buy a lottery ticket....your lucky and I'm glad it was only a jacket.
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Offline Don P

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Re: Delta 18" Radial Arm Saw
« Reply #35 on: February 12, 2018, 10:44:52 PM »
Electric is black magic to me but that's what I was thinking, it almost sounds like it failed, kicked the cap in out of phase, stopped the motor and cooked. It won't matter if the cap is rated for higher voltage, the mfd rating should be the same. Very lucky!

Offline Darrel

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Re: Delta 18" Radial Arm Saw
« Reply #36 on: February 12, 2018, 11:12:55 PM »
I'm thinking that I'd have that motor checked out by a qualified motor guru before I flipped the switch on it again. I'm thinking that the fried capacitor is just a victim of whatever the real problem is as you almost were.
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Offline samandothers

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Re: Delta 18" Radial Arm Saw
« Reply #37 on: February 13, 2018, 10:38:25 AM »
Man, close call.  Glad no blood and only torn material.

Offline muggs

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Re: Delta 18" Radial Arm Saw
« Reply #38 on: February 13, 2018, 10:51:05 AM »
Yea I see lots of 220v motors with 125 v capacitors, you can replace it with a 220v cap. It will probably hold up longer. Like others have said, find out the reason it failed before you replace. A start cap can only be energized for about 3 seconds. A switch must take it out of the circuit. But sometimes they just fail after time.   Muggs

Offline YellowHammer

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Re: Delta 18" Radial Arm Saw
« Reply #39 on: February 13, 2018, 01:16:02 PM »
Jumpin Jehoshaphat!! There were a lot of very bad things that could have happened that didn't.  Very lucky.

On a side note, whenever Lady Luck has shown me some favor, I never tempt her agin, so I have a hard and fast rule that once a machine has tried to terminate me, I terminate it.  After getting almost cut like that, the saw would have a new name, it would be called "On The Trailer and Gone."

Just saying it out loud......
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