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AD crank pulley

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AD crank pulley
Jack in the Box Offline
aka Alan Osborne
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Joined: Aug 2017 Posts: 124 Threads: 15
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Location: East Sussex
#1
26-05-2021, 05:18 PM
The crank pulley that drives the fan on our 1928 AD rocks about the taper drive pin and now sheds the fan belt. It is evident that the pulley has been redrilled at 90 degrees to the original. I am hoping that the  aluminium pulley has worn preferentially and that the crank nose is fine. New pulleys are available from a number of our cherished suppliers at reasonable prices. Has anyone else experienced this?

Thanks Alan
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leaf200 Offline
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Joined: Aug 2017 Posts: 115 Threads: 31
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#2
26-05-2021, 06:25 PM
You need a good fit on the pulley. I like to shrink them on.
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Hedd_Jones Offline
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Joined: Aug 2017 Posts: 1,230 Threads: 33
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Location: Salop
Car type: '28 GE Cup. '28 AD Chummy '30 RL Saloon. '34 RP Saloon. Too Many toys!
#3
26-05-2021, 11:52 PM
the pulley sits on what is effectivley the crank nut. Not the crank itself
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Jack in the Box Offline
aka Alan Osborne
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Joined: Aug 2017 Posts: 124 Threads: 15
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Location: East Sussex
#4
27-05-2021, 08:41 AM
Thank you both for your comments. I'll do some dismantling for closer inspection.
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