Question about Saws
Sometimes it can be only dirty carbonbrush holders pos 146 open it and try be carefull to pull gently and patience the brushes out pos 148 control them if one or both are hanging inside the holder try to blow dirt out and sometimes a little spray wd 40 or better a canister lighter gas push the valve on the little corner of the brush holder it will work to clean it so that after 1 minute try again to pull it out most change the brush will become free to pull out but be carefull if not try to pull on the litz wire and push on the endof the brush tapping it gently that there will come slowly movement in the brush some wood or epoxy dust can give unforeseen problems with the motor the brass litzwire inside the spring will break out the brush if you pull to hard. if its hanging and will pull in a fast way.
But If both brushes are smooth on both sides replace it and try again next there is to made a measurement on the powercable necessary to the wallconnector it has perhaps a broken Braun or Blue wire. to the switch .
But is there AC ~ on both connectors to the switch about 120V in your Country it must be on the switch and from the switch there goes one of the wires over the circuit breaker BEWARE it could be the circuit breaker self thats damaged after a few breakprotections remove powerplug from wallcontact you have to measure on a beep or a light setting by multimeter in ohm measurement thats intact and have to be active shorted by measuring on both terminals of the circuit breaker if its have passage. then its ok.
If all of the parts are measured good then measure the same way on the main switch by switch on it must be give also a beep and if that is also ok then the cable from switch to the motor must be measured from begin until end at every colored wire to the electric field if all other parts are measured it could be 1 wire in the cable between field coil and switch , but if there is also no defect to find one for the last could be the stator field ( electric field ) itself one of the 2 coils broken ? or only a connector to slide connectors also to control every where must be in good order next on every coil there are 2 wires they must give a beep on both wires of each coil there are 2 coils on the field in this case there isonly one serial connection in the field so only a measure between the 2 wires of the field must give an ohm measure result also by beeping setting the multimeter . and last and least if that is fine then it must be a faultering in the powercable hidden defect sometimes repeat the measurement again or replace it to be safe becaus efaultering can it be give only on strange turnings or positions , and next step do a measure over both contacts of the carbon brushes by push both brushes with measure contacts on the brushes both ends and turn slowly the armature by hand you should find a broken collector on the armature if not there must be a bad bearing and by excessive motion the on the commutator-side it must have ruined the ends of the carbonbrush holders they can have become have a little burr on the ends of the brushholders oronly one by a melting holder in the house the commutator- collectors of the armature can also have problems by the accident it so that (one of)the brushes come not far enoug out of the holders.to push enough on the contacts.
There must something to find in this circuit.
Posted on Dec 30, 2016
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Posted on Jan 02, 2017
SOURCE: Table saw won't turn on.
that reset is breaker and I would think that it should click when reset. I looked at a breakdown and the part number for the breaker is OLSL list 2.16 and they are in stock at Searspartsdirect.com If you have a volt ohms meter I would check the electrical starting at plug end of cord thru the breaker. Make sure you unplug tool before attempting. I would also take a look at the brushes for excessive wear and sawdust buildup. Let me know if I can help more
Posted on Jan 19, 2009
SOURCE: Delta Table Saw stopped running
I have a table saw that the cord from the motor plugs into the the back of the on/off switch. I yours is configured like that, unplug the motor cord from the back of the switch and plug it in to the wall and see if the motor will run. If so replace the switch.
Posted on Jun 22, 2009
Your saw motor is equipped with a two speed internal start switch. Over time saw dust will get into the contacts and cause the points to burn. You can pull the end off of the motor and take some 400 grit sandpaper to the contacts to clean them( there are two sets of contacts one works in the out position the other in the in position) it will be the set in the in position that is the problem. Gentle clean them, reassemble the motor end cap and it will work fine. I have to do this about once a year to my saws. I use my saws about 25 hours a week. I have been doing this to one of my Powermatic saws for 31 yrs. now.
Posted on Jul 29, 2009
Hi, I have got a Ryobi ETS-1525SC Table Saw. Suddently it stop and as far as I can see the machine is ok but the blad is not moving. Could some one help please
Posted on Dec 16, 2009
Sounds like you may have overheated the motor. I'm surprised the overload on the motor didn't trip first. With this overheating, the windings in the motor have basically shorted out to ground. This is why your breaker is tripping. Rewinding the motor is no longer the option these days. You can try going online to www.searspartsdirect.com
Posted on May 16, 2010
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