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Comanche Engines and Propellers
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27/04/2020 1:51 pm
#6 Cylinder Base Wrench
by Alan Alsup » Mon Apr 15, 2013 3:25 pm
I am in the middle of a top overhaul on my 1959 PA-24-250 that has an O-540 A1A5. I bought the the 3/8" and 1/2" Lycoming cylinder base wrenches from Aircraft Tool Supply and was able to get all the cylinders off except the #6 cylinder. I am unable to get the top right 1/2" nut off do to the tool conflicting with the motor mount. Does anybody out there know where I can get a wrench that will clear the motor mount to take this nut off?
Thanks,
Alan
- Alan Alsup
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Re: #6 Cylinder Base Wrench
by Ray B » Thu Apr 18, 2013 4:27 am
Never thought about that problem before. I'll take a look at my 250 tomorrow and ask the shop what they use. I'll get back to you tomorrow if someone doesn't come up with the answer sooner. Ray B
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Re: #6 Cylinder Base Wrench
by N9241P Jeff Gaskill » Thu Apr 18, 2013 8:34 pm
I had this same issue while doing a top overhaul last year on my IO 540 D4A5 narrow deck engine. I had to borrow cyl wrenches from an old time shop. My mechanic found that the wrench required was no longer available from Lycoming. Jeff Gaskill
N9241P Jeff Gaskill- ICS member
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