TM 5-6115-465-34
T O 35C2-3464
NAVFAC P-8425-34
TM 06856/06859D-34
Figure 3-50. Crankshaft, connecting rods and pistons, exploded view.
CAUTION
(9) If replacement of crankshaft gear is neces-
When regrinding crankshaft it is impera-
sary, proceed as follows
(a) Support crankshaft gear in arbor press
tive that the 6/32-inch radius from journal
and press crankshaft and woodruff key from gear.
to cheek be maintained. Crankshaft break-
(b) Heat replacement gear in an oven at 450F.
age may result from improper grinding of
this fillet
(232.2C) for approximately one hour.
(c) Install woodruff key into crankshaft
Table 3-3 Undersized Bearing Journals
CAUTION
Wear asbestos gloves to avoid serious burns
when handling heated gear.
(d) Remove gear from oven and assemble
onto crankshaft. To insure proper
timing of camshaft gear to crankshaft
gear, refer to figure 3-43.
( 7 ) If necessary, regrind crankshaft bearing
(e) Using a driver with an inside diameter of 2
journals to accept undersized bearings in accordance
inches, quickly drive gear into position.
with table 3-3.
(f) Allow crankshaft and gear to COOL
( 8 ) Inspect crankshaft gear for cracks and
(10) Inspect connecting rod for cracks, breaks
chipped, broken or excessive worn teeth.
and excessively worn or damaged bushing.
(11) Check piston pin for nicks, burns, cracks, and
excessive wear.
Change 6
3-76
