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Antique Caterpillar Machinery Owners Club
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DISCUSSION
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jig for drilling starter cutout on D318
jig for drilling starter cutout on D318
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Posts: 14
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Thank you received: 1
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2 months 3 days ago #260604
by NECat
I know this topic has been discussed extensively; adding electric start to D318 (D6 8U). I know a few members have built their own jig that fits on the two bolts on the side of the bellhousing to assist in getting the holes started when drilling. I was curious if anyone had a jig they used that they would sell? I recently acquired a D6 8U and a D6 9U that I would like to add the starter hole and bolts for electric start.
Thanks
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2 months 3 days ago #260606
by juiceman
Auto-Lec? In Texas supplies a template with the starter kit; unsure if they would sell you only the template.
Here is a detailed drawing from long time member and crawler guru “Old Magnet”. This diagram has been floating about for some time, and nobody has had any issues that I am aware of.
Perhaps OM can chime in on any pointers.JM
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2 months 21 hours ago #260636
by NECat
Thanks for the info juiceman. I see how bad of shape the pony is on one machine but I may just convert to electric to reduce frustration and more money down the road.
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2 months 17 hours ago #260639
by neil
You can drill it freehand - you don't need a jig. There's tolerance in the dimensions. I drilled my 5U bell housing freehand and it's fine. Just mark out the centers and check them twice and you'll be golden. Drilling the big hole with a hole saw goes surprisingly fast, maybe a minute or two
Cheers,
Neil
Pittsford, NY
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1 month 4 weeks ago #260665
by NECat
Thanks Neil, I'll take my time marking out my measurements next week and start drilling.
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Antique Caterpillar Machinery Owners Club
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DISCUSSION
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jig for drilling starter cutout on D318
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