TM 9-2320-363-34-2
PISTON AND CYLINDER ASSEMBLY REPLACEMENT (CONT)
46.
NOTE
Perform step 46 only if performing plastigauge check.
Go to step 47 if not performing plastigauge check.
CHECK CLEARANCE BETWEEN CONNECTING ROD BEARING SHELLS
JOURNAL AT TIME OF CONNECTING ROD AND PISTON ASSEMBLY
FOLLOWS:
A.
B.
C.
D.
E.
F.
G.
H.
AND CRANKSHAFT
INSTALLATION AS
WITH UPPER AND LOWER BEARING SHELLS (8) INSTALLED IN CONNECTING ROD AND
CONNECTING ROD CAP, WIPE ANY OIL FROM BEARING SHELLS (8) AND CONNECTING
ROD JOURNAL.
PLACE PIECE OF PLASTIGAUGE (9) ALONG FULL WIDTH OF LOWER CONNECTING ROD
BEARING SHELL (8) ABOUT 1/4 IN. (6.35 mm) OFF CENTER.
INSTALL CONNECTING ROD AND ROD BOLTS ON CRANKSHAFT BEARING JOURNAL IN
ITS CORRESPONDING CYLINDER.
INSTALL CONNECTING ROD CAP AND CAP NUTS ON CONNECTING ROD AND TIGHTEN
CONNECTING ROD CAP NUTS TO 118-137 LB-FT (160-185 N.m.).
REMOVE CONNECTING ROD CAP AND BEARING SHELL (8).
FLATTENED PLASTIGAUGE (9) WILL ADHERE TO EITHER BEARING SHELL OR
CONNECTING ROD JOURNAL. COMPARE WIDTH OF PLASTIGAUGE (9) AT WIDEST POINT
WITH GRADUATIONS SCALE (10) ON PLASTIGAUGE (9) ENVELOPE TO DETERMINE
CONNECTING ROD BEARING CLEARANCE. MAXIMUM CONNECTING ROD BEARING TO
CONNECTING ROD JOURNAL CLEARANCE WITH USED PARTS IS 0.006 IN. (0.152 mm).
INSPECT CRANKSHAFT JOURNALS BEFORE INSTALLING BEARINGS (PAGE 12-41).
COAT CONNECTING ROD BEARING
LUBRICATING OIL BEFORE ASSEMBLY.
SHELLS AND JOURNAL WITH CLEAN ENGINE
12-168
