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Engine 2-69
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05745159 • If a cylinder bore only requires honing to correct a prob- lem, use the next grade size piston. Avoid going to the • Verify that a new piston is properly aligned on the con- necting rod. The rod ID mark and the relief (combustion
Piston and Connecting Rod Assembly
1. Lubricate piston pin, pin bore in piston, and bushing in rod 2. Install new bolts in rod and install rod cap. 3. Start pin and piston bore. 4. Position piston on rod. Relief in piston crown and rod 5. Push piston pin through rod to secure it to piston. 6. Install piston pin retaining rings as follows: a. Place piston/rod assembly on clean section of work- b. Install tool J–39507 on one end of piston pin c. Start first retaining ring in piston pin bore d. Use plastic or tape covered pry tool to work ring into e. Insert tool J–39507 into piston pin (Figure 2-122). f. Remove pin tools and install opposite retaining ring
Figure 2-122: Piston and Connecting Rod Alignment Figure 2-123: Positioning Pin for Installation of First Retaining Ring Figure 2-124: Starting Retaining Ring in Piston Pin Bore PISTON CROWN RELIEF LOCATION OF TANGS/NOTCHES INSTALLER TOOL J–39507 PISTON PIN RETAINING RING TOOL J–39507 (ON PIN) RETAINING RING (MUST EXTEND BEYOND NOTCH AND OPEN END DOWN) PISTON PIN BORE |