TM 5-3805-261-34
ENGINE MAINTENANCE. (cont)
13-5.
Crankshaft Main Bearings. (Sheet 6 of 12)
INSPECTION (Front, Center and Rear Main
Bearings) (cont)
8.
Position one piece of plastigage
inside surface of lower main
bearing (4) in each crankshaft
bearing cap (3, Figure 13-22).
CAUTION
Arrow in bottom of crankshaft
bearing cap must face front
of engine; number on cap must
match bearing number on
outside of cylinder block.
Failure to follow this
procedure could result in
damage to equipment.
9.
Position three items 4 and 3 as
an assembly and plastigage under
crankshaft journal, alining
holes.
10.
Coat six bolts (1) with clean
engine oil and install finger
tight.
11.
Tighten six bolts (1) at bearing
tab side of bearing cap (3,
Figure 13-23) to 30 ft-lb torque.
12.
Mark six bolts (1) and three
bearing caps (3) with chalk.
13.
Tighten three of six bolts (1)
opposite tab side of three
bearing caps (3) a further 90
degrees, using chalk mark as an
aid in estimating how far to
tighten three of six bolts (1).
Go to Sheet
7
13-26
Figure 13-22.
Figure 13-23.
