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captaindana 
Orange Level
Joined: 14 Sep 2009
Location: Fort Plain, NY
Points: 2459
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 Topic: CA crank pulley removal
Posted: 14 Nov 2023 at 5:15pm |
 I only looked at this briefly. Socket won’t fit cause pulley sheaves in the way. Screw head didn’t move. What is the combination to crack this case? 🤔Thanks! Dana.
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Blue Skies and Tail Winds
Dana
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4722
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Posted: 14 Nov 2023 at 6:27pm |
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Crowsfoot wrench. Be sure to make a horseshoe plate to support as much of the pulley as possible before pulling with a puller or you'll crack the pulley for sure. It also helps to warm the pulley good before putting it back on.
Edited by PaulB - 14 Nov 2023 at 6:27pm
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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ORBill
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Joined: 13 Jun 2016
Location: Oregon
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Posted: 14 Nov 2023 at 8:01pm |
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What Paul says. I just did mine. Soaked it with penetrant, ground a little off an old wrench to sort of fit, nut broke loose then screw came out pretty easily. I did break the tip off a screwdriver trying to get the screw out without getting the nut loose first.
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captaindana
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Joined: 14 Sep 2009
Location: Fort Plain, NY
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Posted: 14 Nov 2023 at 8:20pm |
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Ok thanks y’all
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Blue Skies and Tail Winds
Dana
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DrAllis
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Joined: 12 Sep 2009
Points: 20479
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Posted: 14 Nov 2023 at 9:40pm |
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Loosen the nut but leave it in so the screw slot doesn't spread open.
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Ted J
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Joined: 05 Jul 2010
Location: La Crosse, WI
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Posted: 14 Nov 2023 at 10:20pm |
 PaulB wrote:
Crowsfoot wrench. Be sure to make a horseshoe plate to support as much of the pulley as possible before pulling with a puller or you'll crack the pulley for sure.
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I'm lost on this Paul. Support the pulley? Do you mean to put the plate behind the pulley and then pull against the plate? Thanks
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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mdm1
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Joined: 12 Sep 2009
Location: Onalaska, WI
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Posted: 15 Nov 2023 at 6:03am |
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I used a bearing separator to pull the pulley off a b. You have to support the bearing so you're not pulling against the pulley itself. Yea lube and maybe heat. Good luck.
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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 15 Nov 2023 at 6:06am |
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I use a two jaw bearing splitter with two pulling rods, a threaded cross beam and forcing screw for these. Think I have four different sizes of bearing splitter so something always works. Long and short is you need to support that sheave almost complete around it's backside while forcing on the crank snout.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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