[AT] 6 to 12 volt starter conversion

Paul L Waugh paul at plwaugh.com
Mon Dec 12 11:42:28 PST 2016


Hi Dennis

I split my tricycle  420 a few year. I was going to block both ends, but 
was glad I had a hoist on the front. That sucker just wandered every 
where. I ended letting it hang and then pushed it back when I needed to 
do so.

Paul - IN


On 12/12/2016 11:07 AM, Dennis Johnson wrote:
> I have a JD 420 that has a bad spot on the flywheel. I need to get organized enough to split the tractor to get to the flywheel. I could probably rotate the flywheel 1 or 2 bolt holes and be OK. I think that the engine tends to stop on the same rotational angle most times, which causes excessive wear on 1 spot. Any good ideas on supporting each end?? Front is tricycle type. Back support can be either blocks. Maybe I can use 2 hoists on my small gantry crane - need to keep it from tilting. Guess I need to build a small beam with some plates to bolt to side of blocks. Anyone have a better idea or experience in doing this??
>
> Thanks,
> Dennis
>
>
> Sent from my iPad
>
>> On Dec 12, 2016, at 8:44 AM, Ralph Goff <alfg at sasktel.net> wrote:
>>
>>> On 12/11/2016 7:19 PM, Dean Vinson wrote:
>>> Any experiences converting starters to 12 volt, or not, when converting the
>>> rest of the tractor?
>> Hi Dean
>> I hesitated to even reply since they never seem to make it to the list
>> lately but I guess its typing practice if nothing else.
>> I've had the same problem as you with the gear grinding Cockshutt 50 on
>> 12 volts. I don't really think 12 volts is to blame
>> as this tractor used to occasionally grind the starter gear when it was
>> still on 6 volts. My 40 has always been 6 volt and
>> even it occasionally grinds the starter gear if the engine stops with
>> the ring gear in the bad spot.
>> We had the 50's ring gear reversed years ago when the engine was out for
>> repair. Simple job to just heat the ring gear and
>> watch it drop off the flywheel. It helped for a few years but its back
>> to grinding bad again . It only takes a couple of turns to
>> start on 12 volts but trying to hit a good spot on the ring gear is a
>> real challenge now.
>> Other than the engagement I have never had a problem with 12 volts on a
>> 6 volt starter. Two old IH trucks spin the 6 volt
>> starters quickly and start way better than they did on 6. No engagement
>> problems at all.
>> Hope to see this show up on the list but not holding my breath.
>>
>> Ralph in Sask.
>>
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