TM 5-3805-255-14
0065
ASSEMBLY CONTINUED
NOTE
Procedure describes one cylinder assembly; repeat for other cylinder.
Lubricate pistons, piston bores, piston rings, wrist pin bushings, and connecting rod
bearings with clean oil prior to assembly.
10. Align oil hole in wrist pin bushing (Figure 8, Item 4) bushing with oil hole in connecting rod (Figure 8, Item 5).
Press wrist pin bushing (Figure 8, Item 4) in connecting rod.
11. Install piston (Figure 8, Item 11) on connecting rod (Figure 8, Item 5).
NOTE
Ream or hone new wrist pin bushings to provide clearance of 0.0001 in. (0.00254 mm) to
0.0006 in. (0.01524 mm) on the wrist pin.
12. Press wrist pin (Figure 8, Item 2) through piston (Figure 8, Item 11) and connecting rod (Figure 8, Item 5).
13. Install wrist pin securing buttons (Figure 8, Item 3) on wrist pin (Figure 8, Item 2).
14. Install sleeve (Figure 8, Item 6) in bearing cap (Figure 8, Item 5) and connecting rod (Figure 8, Item 5).
15. Install piston rings (Figure 8, Item 1) in proper piston groove, with pip marks or bevel up. Stagger piston ring
gaps so they are not in line.
16. Turn crankshaft to position one crankshaft journal downward. Remove two bolts (Figure 8, Item 9) and bearing
cap from connecting rod (Figure 8, Item 5).
17. Use a ring compressor to install connecting rod (Figure 8, Item 5) and piston (Figure 8, Item 11) through top of
crankcase (Figure 8, Item 7). Push piston down until connecting rod bearing contacts the crankshaft journal
(Figure 8, Item 8).
18. Align marks and install connecting rod bearing cap on rod end (Figure 8, Item 5). If cap and rod are not
marked, position cap on the rod so two locking slots in bearing inserts rod and cap are both located adjacent to
same connecting rod bolt. Secure cap to rod with locking plate (Figure 8, Item 10) and two bolts (Figure 8,
Item 9). Clearance between connecting journal and connecting rod bearing must not be less than 0.0003 in.
(0.007 mm) or more than 0.0021 in. (0.053 mm) after rebuilding.
0065-10
