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cub crankshaft pulley removal.

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d. coleman

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is the pulley a "press fit only" or is there a bolt installed in crankshaft end after installing the pulley? the shop manual isnt clear on wheather to remove a retaining bolt prior to using a puller to remove the crankshaft pulley. thanks, d. coleman
 
The crankshaft pulley is a press fit. There is not a retaining bolt. There is a threaded hole in the end of the crankshaft. On my cub, I used that to press the pully back on. When you remove the pulley, you must use a puller that bears against the hub of the pulley. If you pull against the flange, you will break it. Search the archives here. There is a lot about this subject, some show photos of puller designs for this job. Most show using a hydraulic jack, but I used threaded rods on mine and it worked fine.
 
thank you Haas for quick responce. i just pulled the engine for o/h. will finishing disassembly after my two week work hitch in south La., then to a machine shop for inspection of block and a valve job.
 
Here's a puller that John had made or he made for pulling those damper pulleys off a Cub. Hal
wbtqvb.jpg
 
Except, some bottle jacks, including mine do not work in a horizontal position. A bearing separator and puller work for me.
 
(quoted from post at 10:57:08 02/19/10) Except, some bottle jacks, including mine do not work in a horizontal position. A bearing separator and puller work for me.
Click to expand...
Quite a few will only work horizontally if the pump is oriented to the bottom side. So the pump intake is at the bottom of the reservoir.
 
Could be -- last time I tried it
(not the pulley), the lever had to point up because there was no room underneath. I will try that next time.
 
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