Heloman Posted October 6, 2016 Report Posted October 6, 2016 I've been searching with no luck, does anyone know the actual Lycoming-Alternator Belt part number, for a 68C (a1d) with a factory alternator? I wish I had the correct Lyc parts manual... Quote
Guitarmaster Posted October 6, 2016 Report Posted October 6, 2016 The hanger elves told me my favorite Irish auto parts store carries them.Sent from my XT1254 using Tapatalk 1 Quote
Heloman Posted October 6, 2016 Author Report Posted October 6, 2016 No they don't, they carry one like it, that's probably much better. I'm hoping someone has the lycoming manual, and can give me the actual lycoming part number. Quote
MB65E Posted October 6, 2016 Report Posted October 6, 2016 Your 68C had an original Alternator and not a generator? what came off the airplane? Intresting. -Matt Quote
Heloman Posted October 6, 2016 Author Report Posted October 6, 2016 I believe so, I don't recall seeing anything in the logs that its had a conversion, maybe I;m wrong? Quote
Heloman Posted October 6, 2016 Author Report Posted October 6, 2016 I found it, it's a 37A19773-376 Quote
cliffy Posted October 7, 2016 Report Posted October 7, 2016 There is an AC for substitution of certain parts that allows the use of a Green Strip Gates belt on lycomngs A Green Strip Gates only no other type of auto belt. Quote
Chris G Posted May 24, 2021 Report Posted May 24, 2021 Thank you for that part number. Life saver Hellman@@@ Quote
carusoam Posted May 24, 2021 Report Posted May 24, 2021 Welcome aboard Chris G! It’s been a while... I’ll let @Heloman know you were here... Siri doesn’t like the way he spells his name... Best regards, -a- Quote
Jpravi8tor Posted July 7, 2022 Report Posted July 7, 2022 There is an AC for substitution of certain parts that allows the use of a Green Strip Gates belt on lycomngs A Green Strip Gates only no other type of auto belt. Does anyone know what the author of the advisory circular is Lycoming? FAA? what is the alternate Gates belt part number that replaces the Lyc. 37A19773-376 Quote
Dale Logsdon Posted July 12, 2022 Report Posted July 12, 2022 AC 23-27 Parts and materials substitution for vintage aircraft. Author is Kim Smith manager of the Small Airplane Directorate FAA. Quote
Guest Posted July 13, 2022 Report Posted July 13, 2022 The Lycoming belt is about $100.00 and last more than a decade. $10/ year for an airplane part doesn’t seem bad. Clarence Quote
Jpravi8tor Posted July 13, 2022 Report Posted July 13, 2022 From the adisory circular ”1. DRIVE BELTS APPENDIX 1 PART SUBSTITUTIONS a. Alternator or Generator Belts. (1) For aircraft where the manufacturer no longer sells the original alternator or generator belt, you may use a belt made by the same belt manufacturer ifthe original part number is known. If the original part number is not known or the belt is no longer available, you may use a belt manufactured to a known specification such as SAE J636 and the belt properly fits the application. Pay special attention to fit of the belt to the pulley and proper tension of the belt. We highly recommend the use oftechnical information from similar aircraft” since the original manufacture part is still available there is no relief from this AC Always remember that I am just a pilot/mechanic . I try to give you the facts from the source materials but maybe I got it wrong, maybe I'm out of date. Sure, I warn you when I am giving you my personal techniques, but you should always follow your primary guidance (aircraft manuals, government regulations, etc.) before listening to me. Quote
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