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#1
06-24-2020, 09:00 PM
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New to me 73!
About a month ago I finally picked up what I'd been looking for, a 73! Due to working on it and life in general I haven't really put an update on here as of yet. Progress has sort of plateaued so here we go.
Why a 73? I have a 147 that I love. It's great. I like the style. (zig zaggy front end) and I like the narrow frames. I've never had a 3 speed my whole life, sorta wanted to explore that area of CC history. I wanted one that I could use all the attachments I already had so I didn't have duplicates of those, the 7HP is a close cousin to the roots of IH CC (the original), plus it doesn't have external brakes and I can mount a set of wheel weights on the inside of the wheels. This particular machine will primarily be used in the winter mounted up to a snow blade. It didn't come with any attachments (see photos of hauling it home), 10.5 rear wheels/tires, and wide front wheels. I bought a set of 4.0s for the front as I wanted to put on tri ribs eventually. It runs great; starts up low throttle and no choke almost every time. Drove around really good in a gears. The clutch is a bit noisy but is tight and doesn't slip that I can see. (the clutch plate is worn around the 3 pins) It's not 100% where I want it as of yet but that's half the fun for me. Stay tuned for further updates!
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Daniel G.  . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller. 
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#2
06-24-2020, 09:02 PM
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Here it is the day I brought it home with my brothers Original. The next day I put on the 4.0 fronts. Don't like those tires, plus they are splitting so those are gonna go.
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Daniel G. . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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#4
06-24-2020, 09:11 PM
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About the first thing I did to it besides the different front wheels/tires was to address an oil/fuel leak. It dripped fuel fairly steadily from the sediment bowl, so much so that it was worse with the petcock turned off. I had a new bowl I just needed to get a new nipple to the tank. I also shortened the fuel line as the PO had (the bowl) oriented the wrong way and the fuel line about 6". I always enjoyed that the sediment bowl was directly over the coil so if it leaks fuel it's leaking directly onto an ignition source.
 The oil leak turned out to be a bit more of a mystery. It didn't leak just putting the engine around on low revs, but if I opened it up WOT for a good 5 min or more it'd come out pretty significantly. It appeared to be coming from the breather area. I pulled the carb (snapped a carb bolt off in the engine, however, there was enough of the stud left that with PB blaster, heat and vise grips I could back the rest of it out) the breather, cleaned it all, new gaskets and a breather assembly/filter material, then reassembled everything solved the problem. Oil change as well. Thanks to Dale Merkle for his technical advice on that process! A K161 Kohler service manual was also utilized as a resource.
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Daniel G. . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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#5
06-24-2020, 09:16 PM
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Looks like a nice one from here.
Congrats!!
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Up to 530 and counting... I give up updating my profile!
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#6
06-24-2020, 09:22 PM
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Quote:
It's been a fun project so far, thanks.
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Daniel G. . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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#7
06-24-2020, 11:26 PM
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Congrats on the 73, looks nice.
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125, 126, 147, 129, 149 x 2, 1450, 882, 1810, 1320, 1440, 2135, 2 129’s for parts/project, 1950 Farmall Cub 38" LT mower deck, 4 42" triangle mower decks, 2 44A mower decks, 2 50C mower decks, 42” GT deck, 3 42" snow/dirt blades, 42" landscape rake, #4 cart     
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#8
07-05-2020, 08:29 PM
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I've got a 48" mower under my 147. Saturday was experiment day; I wanted to see how well it worked under the 73. Fits on just fine (as expected); mowed good in granny (1st gear), didn't really like it in 2nd....and the further I got the more the 7HP hated it. At least once it lost power really bad and started smoking out the breather. I shut it down quick so it didn't go kaaabbbllloooiiieeee.
If I'm serious about mowing with this, at least as a backup mower in case I'm working on the 147, I'll be looking for a 38" mower instead. The 48" looks good and it was fun to see more but the 7HP wasn't having it. I was cautiously optimistic that it would work but you never know unless you try it.
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Daniel G. . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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#9
07-06-2020, 09:35 PM
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Ya that 48 is probably too much club for that course. Factory decks for the 73 were the QA38 or 42.
I wonder how well it would work if you took the left side blade off of the 48 and tried it again?
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IHCC - 122, 125 x2, 127, 108 x2, 129, 149 x2, 1200, 1250, 1650 x2. SEARS - Six Speed Suburban 10HP, Quick Speed Change Suburban 10HP, Six Speed GT18 Twin. ECONOMY - Country Squire. CASE - 580B CK tlb. That's it for the 4 wheel ones....
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#10
07-14-2020, 07:47 PM
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__________________
Daniel G. . (May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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