I've got a buddy with a JET JWBS-18X saw and the motor gets hotter
than hell. Does anyone have any suggestions?

He's thinking about replacing the 1 1/2 hp with a 3 hp but Jet wants
from 475 for the 1 1/2 hp to 575 for the 3 hp. thats pretty steep for
whar seems to be a marginal motor. Does anyone have any suggestions
for replacements?

I have found several motors for him but need to know what the frame is
on those motors. They are a strange mounting config (face but doesn't
seem to be a NEMA) and the shaft size is 3/4" which is a bit odd for a
motor that size.

We need some help! He's 74 and doesn't use a PC and we live in the
boonies. Nearest place to shop for motors is Boise and thats 180 miles
so we're reaching out. He makes stakes for local builders and needs
his machine fixed. It would be a real stretch for hime to shell out
what Jet wants for their "solid GOLD" motors

Thanks
Byrd

The hard part seems to be that one of you have a computer to shop.
Obviously you have.

A few years ago I remember many on the woodturning group (the ng & WC)
using these guys for motors and VF drives to replace lathe motors.
Never heard anything but good about them:

http://www.dealerselectric.com/

Also, check out for some really nice motors (and mostly pricey!):

http://www.electricmotorsale.com/

There's old faithful, but not necessarily the cheapest either:

http://tinyurl.com/6b2cv8

If you want a nice motor, you can also get a rebuilt motor. If you
start out with a good motor (NOT NOT Chiawanese stuff) you can rebuild
many motors several times if the windings stay intact. In fact some
are made to be "serviced".

When I was doing a lot of commercial work I was on a building downtown
and some guys were pulling the biggest electric motor I had ever seen
(it was a motor for a huge chiller unit) with a small lift. They were
replacing it with another that looked just like it that came from the
building storage room.

It had a brass plate wired on it showing the dates of rebuild. The
first entry stamped on the plate - 1931 !!

If you can get a Leeson, Baldor, WEG, or some of the other brands that
are out there that have been rebuilt by a qualified shop, you should
be in business for about 1/2 price the cost of new.

When they break, most of the smaller motors that come from China are
made to be sold for scrap. Don't take a rebuilt Chinese motor unless
you know what you are doing.

As always, just my 0.02.

Robert

On Sun, 10 Aug 2008 22:27:54 -0700 (PDT), byrds51
wrote:

I have found several motors for him but need to know what the frame is
on those motors. They are a strange mounting config (face but doesn't
seem to be a NEMA) and the shaft size is 3/4" which is a bit odd for a
motor that size.

The motor on my Jet 16" BS is an IEC (AKA Metric) frame rather than
NEMA. I expect you'll find the same is true on the 18". Unless you
measured the shaft diameter with calipers and are sure about the 3/4
inch dimension, I'll bet that its actually 19mm (.748 inches) which
would make it an IEC Frame 80 with either a B5 flange mount (165mm
Bolt Circle) or a B14 face mount (100mm B.C.)

For a chart of IEC frame dimensions, see:

http://www.americanelectricmotors.co...me%20chart.pdf

Tom Veatch
Wichita, KS
USA

"byrds51" wrote in message
...
I've got a buddy with a JET JWBS-18X saw and the motor gets hotter
than hell. Does anyone have any suggestions?

He's thinking about replacing the 1 1/2 hp with a 3 hp but Jet wants
from 475 for the 1 1/2 hp to 575 for the 3 hp. thats pretty steep for
whar seems to be a marginal motor. Does anyone have any suggestions
for replacements?

I have found several motors for him but need to know what the frame is
on those motors. They are a strange mounting config (face but doesn't
seem to be a NEMA) and the shaft size is 3/4" which is a bit odd for a
motor that size.

We need some help! He's 74 and doesn't use a PC and we live in the
boonies. Nearest place to shop for motors is Boise and thats 180 miles
so we're reaching out. He makes stakes for local builders and needs
his machine fixed. It would be a real stretch for hime to shell out
what Jet wants for their "solid GOLD" motors

Thanks
Byrd
How hot is "hotter than hell"? The ratings on most intermittent duty motors
are based on a 60F (or is it 60C) increase in temperature from ambient.
You would definitely be able to tell when the motor reached that
temperature. And, if the motor exceeds this temperature, he needs a bigger
one.

Jim

If the motor isn't getting enough voltage it will run hot. Measure the volts
at plug when the motor is under load. If it's low then start looking for why.
One usual culprit is an extension cord which is too long or too small a guage.
The remedy in this case is obvious.
If the motor is wired for 120V, rewiring it for 240V can make a big difference too.
Art

"byrds51" wrote ...
I've got a buddy with a JET JWBS-18X saw and the motor gets hotter
than hell. Does anyone have any suggestions?

On Aug 10, 10:27*pm, byrds51 wrote:
I've got a buddy with a JET JWBS-18X saw and the motor gets hotter
than hell. Does anyone have any suggestions?..................................

Thanks for the replies guys. "hotter than hell" is so hot you can't
put your hand on the motor without pulling back immediately. It came
wired 115 but he had it wired to 230. The cord on the saw is the
original which I found to be a little puny (14ga) but the feed is
10ga. The motor does not have any frame designation on the plate or
anywhere we could find. Another anomaly was when we pulled the
capacitor cap and it was full of black goo. It almost looks like there
was some caps or something in there that melted down, but the
capacitor might be faulty because the motor spins up too slowly in my
experience. (lots of various pumps and equipment, but no woodworking
tools, and I guess I've been lucky because I haven't ever had an
electric motor go out except submersibles)

We're going to pull the motor. I think, and have an electrician check
it out.

Thanks Again,
Bob.

"byrds51" wrote in message
...
On Aug 10, 10:27 pm, byrds51 wrote:
I've got a buddy with a JET JWBS-18X saw and the motor gets hotter
than hell. Does anyone have any
suggestions?.................................

Thanks for the replies guys. "hotter than hell" is so hot you can't
put your hand on the motor without pulling back immediately. It came
wired 115 but he had it wired to 230. The cord on the saw is the
original which I found to be a little puny (14ga) but the feed is
10ga. The motor does not have any frame designation on the plate or
anywhere we could find. Another anomaly was when we pulled the
capacitor cap and it was full of black goo. It almost looks like there
was some caps or something in there that melted down, but the
capacitor might be faulty because the motor spins up too slowly in my
experience. (lots of various pumps and equipment, but no woodworking
tools, and I guess I've been lucky because I haven't ever had an
electric motor go out except submersibles)



We're going to pull the motor. I think, and have an electrician check
it out.


Keep in mind that if the motor is a TEFC desigh they will run hotter, all
the heat has to reach the outside of the motor before the fan can cool it.
After running my Jet lathe for a couple of hours it's TEFC motor also gets
too hot to touch for more than a second or two.