TM 5-3805-261-34
ENGINE MAINTENANCE. (cont)
13-5.
Crankshaft Main Bearings. (Sheet 10 of 12)
INSPECTION (Intermediate Main Bearings)
(cont)
CAUTION
When installing intermediate
bearings in cylinder block,
crankshaft must be rotated in
OPPOSITE DIRECTION from
normal engine rotation.
Failure to follow this procedure
could result in damage to block,
crankshaft, or both.
4.
Position two new upper inter-
mediate main bearings (11, Figure
13-27) in cylinder block above
crankshaft journal with bearing
tab toward tab locator in block.
5.
Rotate crankshaft and tool
against two new upper inter-
mediate bearings (11) to push
bearings (11, Figure 13-29) into
position. For this step, rotate
crankshaft clockwise when engine
is viewed from rear.
6.
Cut two pieces of plastigage
approximately 1-1/2 inches long
and position one piece on inside
surface of bearing (10) in each
of two crankshaft bearing caps
(9, Figure 13-30).
CAUTION
Arrow on bottom of bearing
caps must face front of
engine; number on cap must
match bearing number on
outside of cylinder block.
Failure to follow this proce-
dure could result in damage
to equipment.
7.
Position two items 10 and 9 as an
assembly and plastigage under
crankshaft journal, alining holes.
8.
Coat four bolts (7) with clean
engine oil and install finger
tight.
Figure 13-30.
Figure 13-
Figure 13-
Go to Sheet 11
13-30
