T O 35C2-3-442-2
recording each reading to ensure accuracy.
The maximum total indicator reading must
Stop and remove tool before recording each
not exceed 0.006 inch.
reading to ensure accuracy. The maximum
7. If the flywheel housing (21 , fig-
total indicator reading must not exceed
ure 8-57) face run-out is excessive, remove
flywheel housing (21), and check for dirt or
5. If the flywheel housing (21) bore
foreign material (such as old gasket mate-
run-out is excessive, remove flywheel (12)
rial) between flywheel housing (21) and
and loosen flywheel housing attaching bolts
cylinder block. Install flywheel housing
(14, 16, and 18) slightly and tap the flywheel
(21) and recheck the run-out. When run-out
housing (21) with a soft hammer in the
is correct, bend up lock ring tabs (9, Figure
required direction until the run-out is within
limits. Re-tighten the attaching bolts (14,
16, and 18), install flywheel (12) and re-
check the run-out.
a. Installation of the flywheel and fly-
wheel housing is accomplished during
6. Perform parallelism check as
to read zero at twelve o'clock position.
b. Refer to Operator and Organizational
Apply continuous pressure to front end of
Maintenance Manual and install air cleaner
crankshaft and using tool, rotate crankshaft
assembly, starter motor, and turbocharger.
one full revolution, taking readings at
c. Install engine assembly (para-
45 degree intervals (8 readings each on fly-
wheel face). Stop and remove tool before
Section XXVII. CAMSHAFT GROUP
b. Remove valve cover and valve mech-
The camshaft group is located on
c. Remove fan mounting group (para-
the upper left side of the cylinder block and
graph 8-3 1).
is driven by the crankshaft gear. The cam-
shaft group consists of a camshaft gear,
d. Remove water pump group (para-
a thrust washer secured to the cylinder
block, and four sleeve type bearings. The
cams are forged integrally with the shaft.
e. Refer to Operator and Organizational
As the camshaft rotates, the cams move
the valve lifters and push rods which acti-
f . Remove hydraulic tank (precise
g . Remove hydraulic pump (para-
a. Remove engine assembly