TM 5-2815-241-34&P
PISTON ASSEMBLY INSTALLATION - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
7. Connecting rod
bolts (1)
Thread cover (2)
Take off.
Discard.
NOTE
Before performing step 8, coat lower connecting rod bearings and connecting rod bolts
with lubricating oil and coat hardened washers with gear oil.
When performing step 8, match and aline numbers stamped on connecting rods and
connecting rod caps.
8. Crankshaft (3)
Connecting rod cap
(4), two new
hardened connecting
rod washers (5), and
two nuts (6)
a.
Put connecting rod cap on crankshaft.
b.
Install hardened connecting rod washers
and nuts using 1/2-inch drive 15/16-
inch socket and ratchet handle, and
screw in until snug.
Do not tighten.
9.
Two nuts (6)
Using 1/2-inch drive 15/16-inch socket and
0 to 250 ft lb (0 to 350 N-m) torque wrench,
torque in step sequence shown in Connec-
ting Rod Nut Torquing Sequence.
CONNECTING ROD NUT TORQUING SEQUENCE
TIGHTENING SEQUENCE
TIGHTENING VALUES
FT LB (NYM)
Step 1 Tighten to
70 - 75 (98 - 105)
Step 2 Tighten to
140 - 150(196 - 210)
Step 3 Loosen to
0 (zero)
Step 4 Tighten to
25 - 30 (35 - 42)
Step 5 Advance to
70 - 75 (98 - 105)
Step 6 Advance to
140 - 150(196 - 210)
2-64
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