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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › OS 37 heli Piston Pin Retainer Clips
11-16-2019 12:53 PM  29 days ago
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rrApprentice

downunder

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OS 37 heli Piston Pin Retainer Clips
I received a disassembled OS 37 engine and I wonder if someone knows about :- 1) piston pin having a white plastic part ,does it face the front or rear of the engine and 2) how many of the spring retaining clips are required ? The manual shows one facing the front of the engine but the spare parts show two clips (not sure if they are sold in pairs) or that both clips are used front and back of the piston pin ? Thanks
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11-17-2019 12:20 AM  28 days ago
Damper

rrVeteran

Point Blank TX USA

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It is two Teflon caps not plastic that fit in the piston pin.
The clips are sold in pairs. I usually buy two sets in case one springs across the shop or I drop one and loss it
Full Throttle Spooning Leads To Forking
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