TM 9-2320-260-34-1
3.55. PISTON AND CONNECTING ROD INSTALLATION (Contd)
CAUTION
Do not force piston into cylinder. If piston does not move freely
into cylinder, remove piston and check for broken rings.
3. Push piston (1) into cylinder (2) with hammer handle. Continue pushing until connecting rod (3)
seats on crankshaft (4).
4. Install bearing shell (7) on connecting rod cap (5).
5. Install connecting rod cap (5) on crankshaft (4) and connecting rod (3) with two screws (6). Ensure
numbers on connecting rod (3) and connecting rod cap (5) match each other and face camshaft.
6. Tighten screws (6) as follows:
a. Tighten screws (6) 70 lb-ft (95 Nm).
b. Tighten screws (6) 140 lb-ft ( 190 Nm).
c. Loosen screws (6) completely.
d. Tighten screws (6) 25 lb-ft (34 Nm).
e. Tighten screws (6) 70 lb-ft (95 Nm).
f. Tighten screws (6) 140 lb-ft (190 Nm).
c. Connecting Rod Side Clearance
1. Move connecting rod (3) to one side of crankshaft (4). Measure side clearance with feeler gage. Side
clearance should be 0.0045-0.0131 in. (0,11-0.33 mm).
2. If clearance is not 0.0045-0.0131 in. (0.11-0.33 mm), remove connecting rod cap (5) and check
bearing shells (7) for dirt, burrs, or improper size.
3. Repeat steps 5 and 6 of subtask b. and recheck side clearance.
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