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Elu Router

This is a discussion on Elu Router within the General Routing forums, part of the Routers category; I have a 25 year old Elu MOF 177/2 Router that I use as a ...


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Old 04-16-2011, 06:22 AM   #1 (permalink)
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I have a 25 year old Elu MOF 177/2 Router that I use as a table unit most of the time. It runs at one speed only so I suspect the speed control unit that sits on top of the armature is defective.

I am looking for parts and suspect this Elu unit may be the same as the Dewalt DW624. I think most of the Dewalt line where born as Elu's before Black & Decker took over. My unit is Swiss made and is still in good shape. I have replaced bearings once already.

Any help would be appreciated....

Regards,
Garth McGill

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Old 04-17-2011, 10:28 AM   #2 (permalink)
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Originally Posted by oldmill View Post
I have a 25 year old Elu MOF 177/2 Router that I use as a table unit most of the time. It runs at one speed only so I suspect the speed control unit that sits on top of the armature is defective.

I am looking for parts and suspect this Elu unit may be the same as the Dewalt DW624.
Hello

As you suspected more or less the same router (MOF177e) is still being made today as the deWalt DW625E (the DW624 is the equivalent of the old single speed MOF177). My only surprise is that yours is a MOF177e not the 3339 which was the US model (I thought that Canada would get the same model). My parts list shows 115/120 volt MOF177e Typ 2 speed controller to be part nunber 868142-02. The same part number was used in the MOF177e Typ 3 and Typ 4 as well as the DW625 Typ 4. The more recent DW625 Typ 5 and the latest Typ 6 show part number 868142-04. I don't know what the differences are but your local deWalt dealer should be able to supply you with the approproate part. Current cost in the UK is about £75 (US $120), so not a cheap spare part

Regards

Phil
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Old 04-18-2011, 03:15 AM   #3 (permalink)
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Phil, you are a mine of information and it does you great credit that you are willing to share it. This forum is superb at providing answers to people from the four corners of the earth and equals more than the sum of the parts.

Long may it continue !

Cheers

Peter
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Old 04-18-2011, 06:20 AM   #4 (permalink)
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Many thanks for your help! The only reason I'm thinking about an armature is because I damaged the top of it taking off the bearing some time ago. The brownish bakolite collar that fits over the top is also damaged but the unit still runs ok at one speed only, I think about 15,000 rpm based on the amperage draw. The soft start function is fine. I am not sure of the bakolite collar purpose other that to sense armature speed for the controller.

If the cost of parts exceeds the price of a new unit I am wondering about by-passing the speed controller and have the unit run at full speed without the soft start function.

Does anyone know how to bench test the controller?

Any comments? Regards, Garth McGill
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Old 04-25-2011, 04:15 AM   #5 (permalink)
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15,000 rpm seems a tad slow. The DW624/MOF177e single speed turms at around 22 to 24,000 so I'd expect an "unthrottled" MOF177e to do the same
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Old 04-25-2011, 10:31 AM   #6 (permalink)
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If it is truely runs at full speed. You could opt for a plug in unit that would vary the speed with a dial it woud be cheaper than the replacement part. Probably you can buy at rockler or amazon.
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Old 04-25-2011, 11:41 PM   #7 (permalink)
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Garth
I did this same repair you propose to my Elu 3339 after the speed control failed a fews back. I called the B&D service center in my area and they helped determine the correct part based on model serial and series # it was an easy replacement and has worked well since. Nothing out there on the market to compete with the swiss made elu's at least in my opinion so I'll keep repairing mine should I ever have any other issues, still cheaper than a new router.
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Old 04-27-2011, 03:15 PM   #8 (permalink)
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Nothing out there on the market to compete with the swiss made elu's at least in my opinion so I'll keep repairing mine should I ever have any other issues, still cheaper than a new router.
Amen to that - but then, I'm biased
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Old 05-02-2011, 06:46 AM   #9 (permalink)
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Many thanks for all the imputs.

An update...
Unit is in service as I have project in progress right now. Since my last post I have noticed that I did in fact damage the top of the armature shaft installing the last set of bearings. So to fully repair I would need a new armature as well as the Wheel part 87 #248367. I think this is the speed pick up for the 85 #Circut Board.

I am not really sure what speed I have when I by-pass the speed controller and feed 120 volts to the moter I get a no load reading of 6.2 amps. The name plate lists 12.0 amp.
I will run a load amp reading to see what I have. The volltage does not change to the motor direct or going thru the controller. This fact would suggest the unit is running at full speed. A high speed tack would be the answer.

It is suggested on some sites that external speed controllers not be used on soft start routers. My soft start function is still functioning.

I don't understand why the Dewalt DW625 is nameplated at 15 amps and my Elu 177/2 is nameplated at 12 amps. They are reportedly the same unit. In any event I have some more research to do. Does anyone have the schmatic?

..Regards
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Old 05-02-2011, 03:23 PM   #10 (permalink)
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I don't understand why the Dewalt DW625 is nameplated at 15 amps and my Elu 177/2 is nameplated at 12 amps. They are reportedly the same unit. In any event I have some more research to do. Does anyone have the schmatic?
Sorry, no schematic I'm afraid..... As to the amperage, the rating plate would be for the maximum amperage drawn, i.e. under full load, so I wouldn't expect you to ever see the rated figure. There are a couple of points about the rating of the machine; I've just taken a look at my 240 volt 50Hz MOF177/2 and found that it has a rating of 7.8A 1850 watts at 50~60Hz so I'll have a look at my 110 volt MOF177e (a Typ 4) tomorrow and post the figures on it's rating plate but I suspect it will say something similar to yours, secondly deWalt uprated the MOF177e motor 2 or 3 years back to 2000 watts. I don't know why, but it may have had something to do with complaints they had received from solid surface (Corian) fabricators about the original models (up to Typ 5) MOF177e/DW625 being a bit gutless on solid surface materials (I can confirm that they sometimes are) or perhaps they just redesigned the motor or speed controller. Either way that would be 16.6 Amps on 120 volts (or 18.8 volts on UK site voltage, 110 volts) and is why we are now told to use 32 Amp site plugs (BS.4343 or CEE Typ 17) on the new routers instead of the 16 Amp ones which sufficed for the older routers

Regards

Phil
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