10.
11.
12.
13.
14.
15.
16.
TM 9-2320-363-34-1
NOTE
Make sure dial indicator is positioned straight and square with flywheel housing
bell face or inside bore of bell. Make sure indicator has adequate travel in each
direction.
USING DIAL INDICATOR (10), CHECK FLYWHEEL HOUSING CONCENTRICITY
FLANGE FACE RUNOUT.
MAKE SURE ENGINEIS IN VERTICAL POSITION WITH FLYWHEEL HOUSING (3)
AND BOLTING
END UP.
MAKE SURE END PLAY IS IN ONE DIRECTION ONLY. TAP END OF CRANKSHAFT WITH SOFT
HAMMER TO POSITION IT TOWARD ONE END OF BLOCK.
NOTE
Maximum total indicator reading must not exceed 0.013 in. (0.33 mm) for bore or
face.
ADJUST DIAL INDICATOR (10) TO READ ZERO. ROTATE CRANKSHAFT ONE FULL REVOLUTION,
TAKING READINGS AT 90-DEGREE INTERVALS (FOUR READINGS EACH FOR BORE BOLTING
AND FACE).
IF RUNOUT EXCEEDS MAXIMUM LIMITS, REMOVE FLYWHEEL HOUSING (3) AND CHECK FOR
DIRTOR FOREIGN MATERIAL BETWEEN FLYWHEEL HOUSING AND CYLINDER BLOCK OR OIL
PAN MATING SURFACE. CLEAN MATING SURFACES. INSTALL FLYWHEEL HOUSING (3) AND
REPEAT STEPS 9 THRU 13.
IF READINGS ARE NOT WITHIN SPECIFICATION, REPLACE FLYWHEEL HOUSING (3).
REPEAT STEPS 9 THRU 13 TO CHECK FLYWHEEL HOUSING (3) CONCENTRICITY AND BOLTING
FLANGE FACE RUNOUT.
NOTE
Follow-on Maintenance:
Install oil pan (page 3-220).
Remove engine from stand (page 12-3).
Install starter (TM 9-2320-363-20).
Install rear engine mounts (page 3-48 or 3-52).
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