7-49. Expansion Plug. (Figure 7-3). On engines equipped for fixed pitch propeller use the expansion plug (15) in-stallation drift (P/N 64681) to install a new expansion plug in place in the front of the crankshaft with the convex side toward the front. Be sure the plug fits firmly against the shoulder provided for it on the inside diameter of the crankshaft.
7-50. Plug. On engines equipped for a controllable pitch propeller, a plug is installed at the rear of the bore in the front of the crankshaft. If this plug has been removed dur-ing overhaul, install a new plug by sliding it sideways past the crankshaft propeller oil tube (see figure 7-3). When the plug is properly positioned in the rear of the bore (flange forward) insert the oil plug drift (P/N 64770 for 1-3/4 inch plug) and seat the plug with several sharp hammer blows on the drift.
OVERHAUL MANUAL LYCOI
7-51. Propeller Flange Bushings. If the propeller flange bushings have been removed from the crankshaft, new bushings must be installed. Use the crankshaft flange bushing replacement tool (ST-115) to install new bushings. Consult the applicable Parts Catalog for proper location of the bushings.
WASHER
ASSEMBLE CIRCIIP WITH SHARP EDGEOF CIRCLIP TOWARDS OUTSIDE
Figure 7-10. Assembly of Washer and Retaining Ring in Counterweight
7-52. Counterweight Assembly. (Figure 7-3). When assembling the counterweights which have previously been installed on the engine, use the identifying marks made on the various parts during the disassembly. To enable matching each washer to the proper seat on the counterweight from which it was removed. Install washer
(19) with chamfered side toward the roller and retainer ring (18) with the sharp edges toward the outside on one side of the counterweight. (See figure 7-11). Place the counterweight on the proper crankshaft lobe, insert the
proper roller and secure the assembly by installing the washer (19)and retaining ring (18)as stated above. After the installation of the retaining ring the gap must be in the position as shown in figure 7-11. Insert one end of the counterweight retaining ring gap gage P/N 64892-2, bet-ween the ends of the ring, making sure the gage is resting in the bottom of the groove. The gage must pass betwen the ends of the retaining ring and must clear the inside edge at the top of the retaining ring. If the gage does not enter the gap of the retaining ring and clear the top of the ring, the ring is not completely seated in the groove pro-perly. Make sure that all rings are seated in the proper position. Consult the latest edition of Service Instruction No. 1012 for the correct location of each counterweight on the crankshaft.
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