Question about Dewalt 6" 5/8 Hp Heavy Duty Bench Grinder

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What are the power source requirements for a DeWalt #756 Grinder?

I especially want to know what power source amp curcit is required for the subject grinder.

EXAMPLE:

Does the subject grinder need to be powered by a (15amp, 20 amp, 30 amp etc. etc. curcit power line from a electrical breaker panel.)?

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My experience of bench grinders suggest 15 amp will be enough, certainly at 240 volts . If you are 110 then I think it will still be enough but you dont make clear what the wattage of your machine is.

Posted on Jun 06, 2010

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2 Answers

My Dewalt 735 planer won't turn on. I blew the house fuse a few times, it would start after I came out. Now it won't start at all and it's been a couple days


The 735 draws 15 amps, which is the rating of typical lighting circuits in homes. The receptical in the wall is sometimes 15 amps although those circuits usually have 20 amp breakers. Since you said "fuse", it might be a bad fuse or even the wiring between the two. Circuit breakers go bad also. If you can confirm the receptical supplies voltage, it is time to check the 735.

Unknown if the device has a termal switch inside. I doubt it would go bad, but you implied a resting period allowed it to run several more times after the fuse in the basement was replaced. If it reset once, it should do it again. If you can find a diagram, there might be a fuse inside, but someone would have to take it apart to check.

A motor can get so hot that a solder joint inside can let loose and it will never run again. Sometimes the coil (windings of the motor) can short out (melt together) and this will increase how much current goes through it and also generate more heat and melt more windings together. Besides producing a smell, your house fuse would burn out real quick.

I had a chuckle over your 2nd sentence but I dare not say why. If it started after you came out (of the house), why did you not run it for a longer time?

A motor requires more power at the instant of turn on. 15 amps of running current will require 20 amps or more when starting. "slow blow" fuses (vs quick action) and circuit breakers can deal with the short period over current requirements.

Nov 23, 2015 | Dewalt Planer (DW734)

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Fixing bad motors in dewalt angle grinders power tools


it would be much better if you bought a new one because it would be cheaper

Jul 04, 2014 | Dewalt DW824 5" Electric Angle Grinder

1 Answer

Operating instructions for DW 756


http://www.searspartsdirect.com/partsdirect/user-manuals/DW756TYPE1-Dewalt-Parts-BENCH+GRINDER-manual

The link should connect to the manual for DW 756. If the link does not work, go to the Sears parts web page and look up the grinder.

May 26, 2014 | Grinders

1 Answer

I have a dewalt dw818 angle grinder when i press the trigger it starts spinning but if i tilt the grinder a little it stops spinning done the brushes already help please


Check your power cord. Turn the grinder on, then pull and twist the power cord, especially by the boot coming out of the grinder. If there's a break in the line, it's possible for it to work in some positions but it will die if you change the orientation of the cord to the tool.

Jul 21, 2012 | Heavy Duty Dewalt Dw818 Heavyduty 412"...

2 Answers

I have a DW402 4.5'' angle grinder and do not know how to remove the blade to install a new one. Could someone help please?


On top of the head there is a button to press to lock the blade arbor. Press it down and turn the blade by hand until it locks in place. Then you need either a spanner wrench or nut wrench depending on which arbor nut you have. Grinders usually come with whichever wrench they need. Most grinders have an arbor nut with two or four holes and require a spanner wrench with two studs that fit into two of the holes to remove the arbor nut. Some have an arbor nut with a hex fitting, like a regular nut & bot setup, that the arbor wrench fits on. If you don't have the proper wrench sometimes you can get the arbor nut off with a pair of vice grips or pliers. You will want to turn the nut in the same direction as the blade spins when the grinder is on to remove it. When you put the new blade on, get the arbor nut hand tight, it is self tightening and will get tighter as you use the grinder.

Jul 18, 2012 | Dewalt Saws

1 Answer

4CR-20-756


I need a 4CR-20-756 Klixon relay for a bench grinder.

Oct 18, 2011 | Craftsman 6" Bench Grinder with Lamp

1 Answer

Do you need to keep grinding guard on when using a cup wire wheel on the grinder?


Hello, W/D here.

It's always a wiser choice to leave the guard on to help keep particles from being slung at you.
In addition to the guard, you should also wear eye protection. I have extensive experience in industrial work, and I cannot emphasize strongly enough how important this is. Where I worked, working with a wire wheel required that the guard be in place and that the operator wear safety glasses and a face shield. An eye injury is one of the most serious accidents that can be easily avoided.
Best regards, and work safely, --W/D--

Feb 09, 2011 | Dewalt DW802G Heavy Duty 4 1/2 Inch High...

1 Answer

I have a dewalt 28402 grinder. I have replaced the pinion but I don't know how to get the helical gear out of the case to replace it. Any thoughts? Thanks Chris


You can buy the pinion gear as a seperate part but not the ring gear. Dewalt only sells the ring gear as a part of the gear case assembly, PN 623586-00.

Oct 28, 2010 | Dewalt D28402K Heavy Duty 4 - 1/2" Small...

1 Answer

How much power (kw/hr) does a D55152 use at full capacity?


Below you will find the power requirements for your compressor. I would recommend not to use an extension cord due to possible damage to capacitor. My dewalt a/c, with same motor, is actually using 17.5 amps right before shut off. Good Luck!
  • Drive: Direct
  • Horsepower: 2.7 MAX HP
  • Tank Size: 4 gal
  • Power Supply: 120V AC, 15 amps,
    >60 Hz, 2 pol induction motor
  • CFM @100 PSI: 3.8 CFM
  • Pump Speed: 3400 rpm
  • Tool Length: 18"
  • Tool Width: 18"
  • Tool Height: 16"
  • Tool Weight: 65 lbs
  • Oct 15, 2009 | Dewalt Heavy - Duty 1.1 Hp Continuous 4...

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