Lycoming Connecting Rods

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Lycoming connecting rods.

05k23068 lycoming kit conn. This service instruction shows that certain piston part numbers are designed to fall within a specified standard weight range. Remove discard and replace the connecting rod bushing. 2 if the chamfer of the connecting rod and the chamfer of the connecting rod bushing do not align figure 8 the connecting rod bushing has moved within the connecting rod.

New mandatory service bulletin requires connecting rod inspection on lycoming engines july 20 2017 by general aviation news staff lycoming has issued mandatory service bulletin 632 that requires owners to check their engines for connecting rods that contain bushings that do not meet lycoming engine s specifications within the next 10 hours of operation. These fit most o 235 o 320 and io 320 engines. One 1 rod appears to have been overhauled one 1 as removed and one 1 with bushing removed. Use of a connecting rod stamped with an s will ensure that the weight match between rods is always within the tolerance allowed by the lycoming specification for that particular part number.

Replacement connecting rod includes connecting rod bolts and nuts for each connecting rod removed and returned to lycoming engines through an authorized lycoming distributor refer to the replacement connecting rod assemblies table bearings for each connecting rod removed order the same p n bearings as removed refer to figure 17 for connecting rod bearing p n location. Contact lycoming engines product support at 1 877 839 7878 toll free or 1 570 327 7222 or email. View full version. I have found a nos set of lycoming rods pn 5104 61477 stating they are for a o 290.

Is the 5104 61477 a old p n. Whenever new connecting rods and or new connecting rod bolts are being installed. This is a set of three 3 each lycoming connecting rods. Lynda phillips created date.

All supported lycoming reciprocating aircraft engines. If a piston is to be replaced it is strongly recommended that the power plant mechanic refer to lycoming service instruction no. Lycoming connecting rods. Lycoming crankshaft connecting rods lycoming crankshaft connecting rods.