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Baldor 1216w 12" Bench Grinder. 3 Hp, 3 Phase Questions & Answers
What type and size capacitor goes on a Baldor 1/3 HP bench grinder
Much would depend on whether it is a start capacitor or a start/run capacitor.
If there is a switch on the end of the rotor operated by centrifugal weights it will be a start capacitor only but if there is no centrifugal switch the capacitor will need to do double-duty and the value could be critical.
Contacting a dealer or the manufacturer would be favourite but a motor specialist might be able to make a recommendation. Guessing isn't really an option and the working voltage of the capacitor is equally important. Most generic capacitors are rated in dc volts and for them to be safe used on ac mains the working voltage must be considerably higher than the rms value of the ac mains. It is best to use only capacitors rated for ac mains.
You will probably find the capacitor as a spare part from a dealer will be prohibitively expensive but once the value has been discovered and if possible the manufacturer, part number and so forth, great savings can be made by sourcing direct from the capacitor manufacturer.
I recently paid less than £5 plus carriage plus VAT for a capacitor the machine manufacturer wanted more then £60 for.
Good luck!
Price for used Grizzly G1550 metal lathe
depends on condition and what comes with it. generally starts at $500 in good shape and up to 850 if excellent with many extras (chucks, rests, knurling attach, faceplates, etc) Also, check for accuracy...
2/4/2023 8:24:56 AM •
Grinders
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Answered
on Feb 04, 2023
Un plugged the wires from the switch and do not
Mmmm... that's a little more complicated. If you have a continuity / resistance meter, we can noodle it out, though.
First, are the two white wires the ONLY wires coming from the motor? I suspect they are - that's not in conformance with any accepted color code, but it'll work. For the rest of this, I'll assume that the two white wires are the only ones from the motor.
You'll need to meter the switch itself, with no wires connected to it. In the OFF position, you shouldn't find continuity between any of the four switch contacts. In the ON position, you should find continuity between two pairs of contacts.
The black wire from the power cord should go to ONE of the two switch contacts in a pair that have continuity with the switch turned ON. One (either) of the white wires from the motor should go to the other switch contact IN THAT PAIR.
That leaves you with one more pair that has continuity with the switch turned ON. The white wire from the power cord goes to one of those, and the second white wire from the motor goes to the other one.
When you have it all wired up, plug it in & turn it on. If it's not right, it should immediately pop your circuit breaker. If it IS right, it should run fine.
If it pops your circuit breaker, open it back up and swap one wire from the power cord and one wire from the motor.
10/6/2019 9:00:35 PM •
Grinders
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Answered
on Oct 06, 2019
I need an on/switch for
Find a Single Pole Single Throw (spst) toggle switch at the local hardware store rated for the load of the grinder. Wire the switch in place and viola you are done! Machines are stupid;they can tell the difference between an oem part and a replacement.
7/11/2018 7:56:15 PM •
Grinders
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Answered
on Jul 11, 2018
Given a bench grinder which did not work. How to test/fix?
I cleaned all the wiring connectors etc and used a 4-way extension cord with an i/o switch and thermal/arc breaker surge protector thingy. I had a piece of thick cable with a molded three prong plug which I had removed from a dead paper shredder (I think??) and connected the ground to the case (previously not connected) the black to the black and white to the white. I taped the connections and plugged the test cable into the extension thingy with its switch off and plugged it into the wall outlet. Then, with the grinder switch on, I gingerly switched on the extension thingy and the grinder (sans all moving parts) ie just the motor case and spindle (held securely in the B&D workmate) and viola(!) it worked fine and built up to very fast. I switched off the grinder switch and the motor slowed, taking an age to come to rest.
Then, I fitted a grinding wheel on the left hand thread end, tightened everything and retested, using the grinder switch to start it and it spun really fast.
Soooo, I guess the secure ground is an essential feature of a capacitor induction motor. I checked some old furnace motors that were "maturing" in the basement and they had no capacitor but only 2 wires...
I am now trying to remember which parts came off last and put it all back together. I plan to test it each time I put a part back...just in case. I hate it when you fix something on the bench and when rebuilt, it won't work...don't ask about the electric starter on the snowblower..not a happy puppy!
Please, pretty please and then some, do tell me if my "fix" is wrong and I could risk all kinds of nastiness.
Thanks,
Jenni.
6/13/2018 7:39:35 AM •
Grinders
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Answered
on Jun 13, 2018
I need a Manual for Napa 1/4 die grinder
Jet 577102 is a bench grinder with 1HP motor. It has got guards on the grinding wheel. Dust vents and guard makes the grinder makes it an efficient grinder. 115 Volt is needed to run this high performance grinder.
6/9/2018 7:42:54 AM •
Grinders
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Answered
on Jun 09, 2018
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