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 TM 55-1905-220-14-4
3-40.3. CONNECTING ROD BEARINGS - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION Cont)
maximum connecting
rod bearing-
to-journal
clearance with
used parts is
.006 inch (0.015 cm).
INSTALLATION
6. Connecting
rod(s)
NOTE
Do not replace one connecting rod bearing shell alone. If one bearing shell
requires replacement, install both new upper and lower bearing shells. Bearing
shells are available in .010 inch, .020 inch and .030 inch undersize for service with
reground crankshafts. Use these bearing shells on reground crankshafts only.
a. Upper
Install the upper bearing
Be sure the
bearing
shell-the one without the
tang on the
shell
continuous oil groove-in
bearing shell
(4)
the connecting rod.
fits in the
groove in the
connecting rod.
b. Crank-
Wipe clean and lubricate
shaft
with clean engine oil.
journal
c. Connec-
Pull assembly down until
ting rod
the upper bearing seats
and pis-
firmly on the crankshaft
ton as-
journal.
sembly
3-850
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