TM 5-3805-261-34
ENGINE MAINTENANCE. (cont)
13-5.
Crankshaft Main Bearings. (Sheet 8 of 12)
INSTALLATION (Front, Center and Rear
Main Bearings and Thrust Bearings)
(cont)
4.
Tighten three of six bolts (1) at
bearing tab side of three bearing
caps (3, Figure 13-23) to 30
ft-lb torque.
5.
Tighten three of six bolts (1)
opposite bearing tab side of
three bearing caps (3) to 30
ft-lb torque.
6.
Mark six bolts (1) and three
bearing caps (3) with chalk.
7.
Tighten three of six bolts (1)
opposite bearing tab side of
three bearing caps (3) a further
90 degrees, using chalk mark as
an aid in estimating how far to
tighten bolts (1).
8.
Tighten three of six bolts (1) at
bearing tab side of three bearing
caps (3) a further 90 degrees.
REMOVAL (Intermediate Main Bearings)
1.
Remove four bolts (7), washers
(8) and two items 9 and 10 as an
assembly (Figure 13-24).
2.
Remove lower half of two inter-
mediate main bearings (10) from
two crankshaft bearing caps (9,
Figure 13-25).
Figure 13-23.
Figure 13-24.
Figure 13-25.
Go to Sheet 9
13-28
