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Thread: Router issues
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8th July 2019, 02:20 PM #1
Router issues
I have a Hitachi TR-12 router which has had very very little use. I used it last week and it worked fine came out today to finish the job and did a test pass wasn’t deep enough to make a cut switched it off adjusted the depth turned it back on and nothing?
Checked the circuit break and PowerPoint both are working.
Is there an internal fuse that could have gone?
Other ideas?…..Live a Quiet Life & Work with your Hands
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8th July 2019 02:20 PM # ADSGoogle Adsense Advertisement
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8th July 2019, 02:35 PM #2Senior Member
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Sorry to hear about that, I had ranked that model router as one ofvthe best and reliable workhorses.
I would suggest itvissomething relatively minor.
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8th July 2019, 02:38 PM #3
Well tried switching it on again and it strayed and promptly let the blue genie [emoji3441] out. It was my dad and I don’t think he ever used it, probably the second time I have. As you can see in the photo it was like new.
Guessing it’s cheaper to replace than have looked st let alone fixed?…..Live a Quiet Life & Work with your Hands
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8th July 2019, 02:52 PM #4
Can you turn the collet by hand
But make sure it is unplugged
Also Dale we use a tool repair shop in Burwood(Near the Kmart)I send you the address later.
Cheers Matt
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8th July 2019, 02:54 PM #5
Yep still spins.
…..Live a Quiet Life & Work with your Hands
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8th July 2019, 03:08 PM #6
Hi,
Could be the brushes or dust in the switch, those are the most common "now it works now it does not"
RegardsHugh
Enough is enough, more than enough is too much.
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8th July 2019, 03:26 PM #7
…..Live a Quiet Life & Work with your Hands
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8th July 2019, 04:56 PM #8Woodworking mechanic
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Field windings are cooked.
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8th July 2019, 05:24 PM #9GOLD MEMBER
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I don't know where you are in Melb but Heidelberg Industrial Supplies was recommended to me for a drill and they were able to help me.
address is 1/22 Helen St, West Heidelberg, 3081 Phone 9459-5747
Heidelberg Industrial Supplies Co. Power Tool Sales | Power Tool Repairs | Power Tool Spare Parts.
Could be worth a phone call. The TR12 will probably outlast a lot of the newer routers.Tom
"It's good enough" is low aim
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8th July 2019, 05:38 PM #10
I spoke to Trevor @ Heidelberg Industrial Supplies and emailed over the photos to see if he thinks it’s worth looking at.
…..Live a Quiet Life & Work with your Hands
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15th July 2019, 06:21 PM #11
Cooked or not Cooked
Everything in your pictures look Ok and as new. Even the nick in the brush should not matter. Some suggests that the main windings are cooked: take a smell and you'll notice a sharp acrid odor if they are cooked. They don't look anything but new.
How long has the machine been sitting on the shelf since it was used before you turned it on successfully? If it is some years then I suspect that the switch contacts have corroded and the whole switch needs replacing. My planer did exactly the same thing - it hasn't skipped a beat since I replaced the switch.dave
nothing is so easy to do as when you figure out the impossible.
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17th July 2019, 02:24 PM #12
My concern is the chipped brush, there is not enough missing to affect conduction to the commutator, but the missing bit is large enough to lock up the motor or bridge connections within the motor.
I accept that you reported that the spindle could rotate freely when you checked, but if the brush chip was locking things up and preventing starting, it could be pulverised in the time it took to cook the field winding, or could have been ejected if you turned the spindle backwards.
Comparing the colour of the armature windings and field windings, I suspect that the field windings are at least parbaked, if not fully cooked. I am also concerned about the dark spot on the armature in the photo, but don't know if that is a lighting shadow or a burn mark, is there a similar one opposite it on the armature? If so I suspect that the locked spindle scenario is probably correct. Did you find an intact chunk of brush material that could be the bit chipped off when you dismantled the unit.I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.
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