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Radial Arm Saw - Elevating Gear Replacement

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Forum topic by sgat_555 posted 09-17-2021 11:17 AM 389 views 0 times favorited 8 replies Add to Favorites Watch
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sgat_555

2 posts in 31 days


09-17-2021 11:17 AM

Topic tags/keywords: elevating gear radial arm saw replacement parts

Hello Everyone,

Thank you very much for accepting me into the forum.

I’ve taken a look through some previous posts and it seems there is a plethora of experience and information regarding older radial arm saws. I have also seen photos of the part which has recently given up the ghost on my friend’s 10” Radial Arm Saw.

Here is a photo of the offending part: https://hosting.photobucket.com/images/ad278/sgat_555/Saw_Gear.JPG?width=450&height=278&crop=fill

I would be very grateful if someone could point me in the right direction to get a replacement part to get this machine up and running again.

Many thanks, Stuart


8 replies so far

View HokieKen's profile

HokieKen

19349 posts in 2378 days


#1 posted 09-17-2021 11:53 AM

Hi Stuart and welcome to Lumberjocks :-) It would probably be helpful if you can tell us the manufacturer and model of the RAS. Somebody may have a parts saw sitting around they could pillage a gear from for you ;-)

That appears to be a pretty standard bevel gear. You might be able to source one off-the-shelf at an industrial supplier like McMaster-Carr or Grainger.

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

View JackDuren's profile

JackDuren

1712 posts in 2199 days


#2 posted 09-17-2021 02:17 PM

Many of those were plastic. I think I bought my replacement on Ebay..

View AMZ's profile

AMZ

333 posts in 629 days


#3 posted 09-17-2021 02:46 PM

That gear is a powdered metal gear (I own a powder metal parts fabricating plant). Other than going back to the original manufacturer, I doubt you will find an exact replacement.

HOWEVER, I would bet you would have no problem finding a suitable replacement, but you will need to take the worn out gear, along with the mating gear to a local bearing shop (or check out Boston Gear). Your picture is not to clear, but it appears that the gear set is made of two mating bevel gears. So, all you need is two gears that mate, that are the right ID for the shafts. If the mating gear is a worm gear, well, you’ll need a mating worm gear to the new bevel gear.

I probably made it sound more complicated than it is!

View Woodnmetal's profile

Woodnmetal

183 posts in 85 days


#4 posted 09-17-2021 03:35 PM

IMO, that appears to be a cast bearing by looking at the grain of the metal in relationship to the chipped/rolled teeth.
In any event, It looks like a (LPF bearing) light press fit bearing.

However, I agree with HokieKen, we would need to know the manufacture and model of the RAS, or the dimensions of the bearing shown with the shaft size diameter before we could give you much more assistance.

Unfortunately, using dimensions along with gear formula’s is the only way to find the exact gear if you cannot find something on the shelf or by ordering.
Hope this helps,

Gary

-- I haven't changed... but I know I'm not the same.

View Fred Hargis's profile

Fred Hargis

7227 posts in 3733 days


#5 posted 09-17-2021 04:08 PM

I was able to figure out that the saw is a PowerKraft TPC 2610 (?). Of course, that gear isn’t available from them. My best guess would be that the1) the gear isn’t special but rather a stock item. 2) it will take some searching, but I’d bet a replacement is available from an industrial parts supply. I’m not sure what the key identifiers would be, but maybe the number of teeth and large diameter along with the bore size might identify it. Someone here may have a better idea of how you identify the gear. You aren’t the first to ask about it, here's a very old thread asking the same question.

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

View sgat_555's profile

sgat_555

2 posts in 31 days


#6 posted 09-17-2021 07:13 PM

Thank you for the replies everyone!

Here is a photo of the manual cover I don’t see a make or model but maybe someone here recognises the machine in the picture: https://hosting.photobucket.com/images/ad278/sgat_555/Saw_Gear-2.JPG?width=450&height=278&crop=fill

It would be great to get an original part to repair the machine but it seems getting a modern matched pair of bevel gears would also be a good route.

If anyone has a a gear available, I would be very happy to hear from you.

All the very best, Stuart

View Fred Hargis's profile

Fred Hargis

7227 posts in 3733 days


#7 posted 09-17-2021 07:17 PM

That manual appears to be the one posted over at Vintage Machinery and the sawis identified as the one I mentioned above.

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

View KTNC's profile

KTNC

187 posts in 1496 days


#8 posted 09-25-2021 01:46 AM



Hello Everyone,

Thank you very much for accepting me into the forum.

I ve taken a look through some previous posts and it seems there is a plethora of experience and information regarding older radial arm saws. I have also seen photos of the part which has recently given up the ghost on my friend s 10” Radial Arm Saw.

Here is a photo of the offending part: https://hosting.photobucket.com/images/ad278/sgat_555/Saw_Gear.JPG?width=450&height=278&crop=fill

I would be very grateful if someone could point me in the right direction to get a replacement part to get this machine up and running again.

Many thanks, Stuart

- sgat_555

Hi Stuart:

Like Fred Hargis said it’s a Powr Kraft 2610. I restored one of these over three years ago and made a blog on it
https://www.lumberjocks.com/KTNC/blog/122441

I can give you a very good guess about why that gear is broken. The column became stuck in the base and someone used extreme force to try to move it. Is the mating gear broken also?

I checked my copies of the 2610A , 2610B, 2610C and 2610E manuals. I’m pretty sure yours is 2610C because the part number you show for the elevation shaft and gear assembly and the picture on the first page matches the 2610C manual.

Since the part numbers are different, the elevation shaft and gear assembly might not be interchangeable amongst the four versions of the saw. However, the gear on the end of the shaft might be the same or the assembly might even be the same.

I actually have three of these old saws in my “queue” for restoration but it may be a very long time before I disassemble any of them. I think all three are 2610E models. I’d keep an eye out on Craigslist for one you can use as a parts saw or your friend could replace his with one that’s functional and use the current one as a parts saw.

regards, kerry

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