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Antique Caterpillar Machinery Owners Club
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blocking off D47U coolant passage
blocking off D47U coolant passage
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Posts: 2
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1 month 2 weeks ago #258280
by CatsMeow
Hi everyone! I've got what I believe is a 1956 model 7U (serial 37449). I've removed pony because teeth on the magneto let go & I figured I'd need to find them all plus take the opportunity to rebuild it. Well, it's been welded at least twice & for the cost of rebuilding, I've opted for electric start conversion.
My question is if I build plates to seal off the coolant passages that used to supply pony & diesel head, will that be bad for the diesel engine? I can't tell from drawings if coolant flow through pony is in series or parallel to the main. Any advice on blocking these off for electric start conversion is appreciated!
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1 month 2 weeks ago #258283
by side-seat
Won't be a problem. I have a direct start late model D2 that the hole in the bell housing is welded shut and the head has a plate bolted on. The battery tray bolts onto the bell housing where a pony motor would have been bolted on. The coolant still circulates through the head to the block weather there's a pony or not.
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CatsMeow
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Forum
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Antique Caterpillar Machinery Owners Club
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DISCUSSION
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blocking off D47U coolant passage
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