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Old 01-21-2022, 02:24 PM   #1
65f100
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Default crank journal bolts

is there a special tool for the square haed on the crank journal bolt or can an 8 point socket work?
also I have pin holes in the dipper pan Im thinking I should braze them but has anyone ever used J B weld?
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Old 01-21-2022, 02:59 PM   #2
Will N
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Default Re: crank journal bolts

If I remember correctly, the square head is an uncommon size wrench, something like 25/32" I personally would not risk JB weld in the dipper tray. If it were to come free you'd risk catastrophic engine failure if it clogged a passage.
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Old 01-21-2022, 03:13 PM   #3
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Default Re: crank journal bolts

I think you'll find that the square heads on those bolts are the same as the drain plugs in gearbox and diff. They are the same as a plumbing fitting which makes sense when you consider the philosophy behind Henry's design and how he wanted every farmer to be able to work on his car.
I file them down to 1/2" and I've made a special tool that is basically a short socket extension wit a nut welded to the male end. The female end goes onto the reduced bolt head and an ordinary socket on the welded nut.
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Old 01-21-2022, 08:25 PM   #4
Kurt in NJ
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Default Re: crank journal bolts

this was the era special wrench
there is a little pip on one corner of the square of the main bolts to show orientation of cotter pin hole on the other end to help line it up
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Old 01-22-2022, 12:13 PM   #5
katy
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Default Re: crank journal bolts

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Originally Posted by 65f100 View Post
is there a special tool for the square head on the crank journal bolt or can an 8 point socket work?
8 point socket works just fine, 9/16" IIRC.
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Old 01-22-2022, 01:24 PM   #6
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Default Re: crank journal bolts

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thanx for replies I was thinking 9/19 8 point as my 1/2 didnt fit and an open end 9/16 does although that doesnt seem like I can get the leverage to brake them loose
I like that tool in the pics above
going to try and braze the dipper tray seems like the best way to go on that
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Old 01-22-2022, 06:17 PM   #7
Gene F
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Default Re: crank journal bolts

I do believe I have a 4 point 9/16 socket I bought at a local industrial tool dealer like 25 years back.
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Old 01-22-2022, 06:31 PM   #8
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Default Re: crank journal bolts

I bought this tool from Amazon. Fits perfectly on those heads..
Square plug socket

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 01-22-2022, 06:46 PM   #9
chrs1961815
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Default Re: crank journal bolts

Square head sockets are the best, great for engine work and adjusting brakes.
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Old 01-23-2022, 02:31 PM   #10
65f100
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Default Re: crank journal bolts

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Originally Posted by airjam View Post
I bought this tool from Amazon. Fits perfectly on those heads..
Square plug socket

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
just ordered 1 of these
thank you
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