TM 5-3805-260-24
CRANKSHAFT AND GEAR
INSTALL CRANKSHAFT AND
GEAR
Tools Needed
A
B
8S2328
Dial Test Indicator
Group
1
5B1161 Wire
*
I.
Install the key for the crankshaft gear so it is
even with the end of the crankshaft.
2.
Heat the crankshaft gear to a maximum
temperature of 500°F (2600C).Install the gear
on the crankshaft with the '"V'' mark on the
gear toward the pulley end of the crankshaft.
3.
Install the thrust bearing for the No.4 main.
4.
Make sure the upper main bearings are clean.
Put clean oil on the upper main bearings and
journals of the crankshaft. Install the upper
main bearings (the bearings with oil hole) into
the engine block.
5.
Install two of the bolts that hold the flywheel in
place in the end of the crankshaft. Fasten a
hoist and put the crankshaft in position in the
block. Make sure the timing mark on the
crankshaft gear is in alignment with the timing
mark on the cam-haft gear.
For more detail about installation of main bearings see REMOVE
AND INSTALL CRANKSHAFTMAIN BEARINGS.CAUTION:
When the bearing caps are installed{3.100} make sure the
number on the side of the cap is next to and respective with
the number on the engine block.
6.
Check the bearing clearance with wire (B).Put
the lower main bearings into the caps. Put the
caps in position and install the bolts. Tighten
the bolts in number sequence as follows:
a)
Tighten bolts I through I 0 to a torque of 30
+3 lb. ft.(4 4 N m).
b)
Put a mark on each bolt head and bearing
cap. Tighten bolts 1 through 10 120° _
5° more.
3-142
