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Wico Mag Cat 933

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17 years 1 week ago #3203 by MARTYN WILLIAMS
After a few starts on the donkey engine on my 933,the rotor keeps getting a carbon deposit around the contact surface,it runs great after a clean up but gets black after a few starts.I have tried most things to clean it up,petrol,eloctronic cleaner.Any ideas? Its a pain in the ar** as you have got to remove the fuel filter to get the cap off. Thanks

Aveling Barford GA
D2 3j
D4 7j Dozer
btd6 Drott X 3
B100
I H TD6
Fordson major
Fordson N
Hydrovane 90

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17 years 1 week ago #3206 by Neil D
Replied by Neil D on topic Wico Mag Cat 933
Martyn
I've a great idea-sell it and buy a Honda.......you meet the nicest people on a Honda


Neil

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17 years 1 week ago #3210 by MARTYN WILLIAMS
Replied by MARTYN WILLIAMS on topic Wico Mag Cat 933
Neil,seen Ryan air's new aircraft.Plus some interesting items of machinery.

Aveling Barford GA
D2 3j
D4 7j Dozer
btd6 Drott X 3
B100
I H TD6
Fordson major
Fordson N
Hydrovane 90

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17 years 1 week ago #3211 by Neil D
Replied by Neil D on topic Wico Mag Cat 933
Martyn
Is Sprocket gonna use the 631 to bring home the latest acqusition?????

Neil

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17 years 1 week ago #3222 by MARTYN WILLIAMS
Replied by MARTYN WILLIAMS on topic Wico Mag Cat 933
Not big enough,Neil.

Aveling Barford GA
D2 3j
D4 7j Dozer
btd6 Drott X 3
B100
I H TD6
Fordson major
Fordson N
Hydrovane 90

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17 years 1 week ago #3223 by ccjersey
Replied by ccjersey on topic Wico Mag Cat 933
Martin,

It sounds as if your rotor has gotten rough and is abrasive enough to eat the carbon brushes too rapidly. I expect the thing gets out of it's depth trying to fire both plugs or perhaps there is another path to ground that the track of carbon connects to.

I think replace the rotor, but replacing the brushes may fix it and be cheaper.

D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time:D

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17 years 1 week ago #3228 by MARTYN WILLIAMS
Replied by MARTYN WILLIAMS on topic Wico Mag Cat 933
Hello ccjersey,the rotor is smooth with no ridges.The only thing it could be is the brush has gone soft,but when cleaned it seems ok.
Any one in the UK got a replacement brush or know where to get one? Thanks

Aveling Barford GA
D2 3j
D4 7j Dozer
btd6 Drott X 3
B100
I H TD6
Fordson major
Fordson N
Hydrovane 90

Please Log in or Create an account to join the conversation.

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