bachmann 32-975, freightliner class 66

Paul Palmer
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Re: bachmann 32-975, freightliner class 66

#11

Post by Paul Palmer » Mon Dec 03, 2018 8:44 pm

Well Steve looks like i have sussed it,black lead loose on the side of the motor, now to suss out how to remove the motor!!!

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Chops
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Re: bachmann 32-975, freightliner class 66

#12

Post by Chops » Mon Dec 03, 2018 8:54 pm

Sounds like a Wales of a good party going on here. Your American Cousin is not familiar with the construction of British Bachmann diesels, but if it
resembles the American line, then I would suspect it has what you chaps would call a "Ringfield" type motor?

If so, I've often found the culprit in the brass tabs that gently press upon the short, stout, and tiny brushes that nest in the motor frame. Sometimes the solder wears, or the brass tab(s) loosen up so that contact becomes quite poor. On the American version, the tab is held in with a Phillips screw, and a quarter turn can do the trick to tighten them. If you happen to remove brass tabs, be careful, as the brushes are held in with a micro spring just under the tab and will go shooting out when the brass tab is removed. Goes without saying you will never see that bad boy again if it comes loose.

In my case, the brass tab holding screw was so loose in its socket that it required a tab of epoxy to cement it firmly into place.

Let me know if any of that makes sense or is even relevant. I've shied away from Bachmann products in general because whilst the shells are supremely detailed and painted, the motors tend to be flimsy, in many cases. Some people tell me that Bachmann has improved on their motors, but having been bitten so many times I am thrice shy.

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Steve M
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Re: bachmann 32-975, freightliner class 66

#13

Post by Steve M » Mon Dec 03, 2018 9:02 pm

Paul Palmer wrote:
Mon Dec 03, 2018 8:44 pm
Well Steve looks like i have sussed it,black lead loose on the side of the motor, now to suss out how to remove the motor!!!
I’m not familiar with the innards of this model but a decent picture may help us find someone who knows how to do it.
I’m not a complete idiot, some pieces are missing. ;)

Paul Palmer
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Re: bachmann 32-975, freightliner class 66

#14

Post by Paul Palmer » Mon Dec 03, 2018 9:04 pm

it was the black lead on the side of the motor,resoldered,however,not completey fixed,if I run the wires from my 9 volt battery to the motor it spins,but if I put the battery directly to the wheels nothing

Paul Palmer
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Re: bachmann 32-975, freightliner class 66

#15

Post by Paul Palmer » Mon Dec 03, 2018 9:06 pm

Steve M wrote:
Mon Dec 03, 2018 9:02 pm
Paul Palmer wrote:
Mon Dec 03, 2018 8:44 pm
Well Steve looks like i have sussed it,black lead loose on the side of the motor, now to suss out how to remove the motor!!!
I’m not familiar with the innards of this model but a decent picture may help us find someone who knows how to do it.
will do tomorrow Steve,its getting late and i dont want to break anything,boggies are off,but still stumped as how to get the motor out

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Steve M
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Re: bachmann 32-975, freightliner class 66

#16

Post by Steve M » Mon Dec 03, 2018 9:07 pm

Back to checking continuity. Are the pickups making good clean contact on the wheels?
I’m not a complete idiot, some pieces are missing. ;)

brian1951
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Re: bachmann 32-975, freightliner class 66

#17

Post by brian1951 » Mon Dec 03, 2018 9:10 pm

This will help you, http://www.lendonsmodelshop.co.uk/pdf/B ... s%2066.pdf after the bogies are out remove the driveshafts then lift motor out.

Paul Palmer
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Re: bachmann 32-975, freightliner class 66

#18

Post by Paul Palmer » Mon Dec 03, 2018 9:30 pm

ok,worked out how to get the motor out,and I have found another break in the black wire,my only question is now,is does that small brass tag go against the motor body?
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Paul Palmer
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Re: bachmann 32-975, freightliner class 66

#19

Post by Paul Palmer » Mon Dec 03, 2018 9:33 pm

brian1951 wrote:
Mon Dec 03, 2018 9:10 pm
This will help you, http://www.lendonsmodelshop.co.uk/pdf/B ... s%2066.pdf after the bogies are out remove the driveshafts then lift motor out.
thankyou Brian,i have that paperwork,but i still couldnt work out how to get the motor out,i have now though thanks

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Steve M
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Re: bachmann 32-975, freightliner class 66

#20

Post by Steve M » Mon Dec 03, 2018 9:47 pm

Found this online, it may help.

https://goo.gl/images/h9ausc
I’m not a complete idiot, some pieces are missing. ;)

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