TM 5-4310-354-14
clearance is still insufficient, polish the
thrust bearing flanges on a flat surface
with crocus cloth to obtain the proper
clearance.
(6) Position the connecting rods so that they
engage the journals of the crankshaft.
Apply a coat of engine oil to the bearing
shells to assure proper lubrication. Install
the connecting rod bearings and bearing
caps (para 7-24).
(7) Install the bellhousing and flywheel (para
(8) Install the gear housing, housing cover,
and fan drive pulley (para 7-20).
TS 5-4310-354-14/7-62
(9) Install the oil pump assembly (para 7-16)
Figure 7-62. Checking crankshaft end thrust.
and the seal adapters and oil pan (para
ance can be the result of a misaligned
main bearing, or a burr or dirt on the inner
(10) Install the fan and drive belt (figure 7-33).
face of the thrust bearing flange.
Disassemble, clean. and reassemble as
(11) Install the engine on the unit (para 5-12
necessary If
and figure 5-7)
Section XIII. CYLINDER BLOCK
7-27. General. The cylinder block is a one-piece
(2) Remove the alternator assembly (para
casting which forms the main structural part of the
engine. For uniform cooling, water jackets are provided
(3) Remove the starting motor assembly
the full length of the cylinders. The cylinder block has an
oil header running the length of the block. From this
(4) Remove the fuel injection nozzles (para
header, various passages carry oil to the main bearings,
camshaft bearings, and the rocker arms. The upper
(5) Remove the fuel injection pump (para
halves of the main bearing supports are cast integral
with the block. The main bearing bores are line-bored
(6) Remove the water pump and fan
with the bearing caps in place to ensure longitudinal
assembly (para 7-10).
alignment. The cylinder head assembly is mounted on
(7) Remove the rocker arm, cylinder head,
top of the cylinder block. When the cylinder head is
and valve assemblies (para 7-12 and
installed, the cylinder head gasket forms a tight seal
between the head and the block. The oil pan is mounted
(8) Remove the oil pan and oil pump
on the bottom of the cylinder block enclosing the
assembly (para 7-15 and 7-16).
crankshaft and forming the reservoir for the engine
(9) Remove the flywheel and bellhousing
lubricating oil.
(10) Remove the gear housing cover, gear
housing, and timing gears (para 7-20).
7-28. Cylinder Block.
a. Removal and Disassembly.
(11) Remove the camshaft and camshaft
bearings (para 7-22).
(1) Remove the engine from the unit (para
(12) Remove the pistons and connecting rod
assemblies (para 7-24).
7-69
