Figure 11B-2. Cutaway of Cylinder Block Showing Air and Water Passages
tipped back with either end or the oil
block-to-head oil seal ring. The top
pan side up.
surface of the block is also counterbored
at each water or oil passage to accommo-
date
individual
seal
rings
(see
R e m o v e and Disassemble Engine
Before mounting an engine on an over-
Each cylinder liner is retained in the
haul stand, it must be removed from its
block by a flange at its upper end. The
base and disconnected from the torque
liner flange rests on a cast iron insert
converter.
located in the counterbore in the block
bore. An individual compression gasket
1. Remove the air cleaner and mounting
i s used at each cylinder.
bracket.
When the cylinder head is installed, the
2. Remove the turbocharger.
gasket and seal rings compress suffi-
ciently to form a tight metal-to-metal
3. Disconnect the exhaust piping and
contact between the head and block.
r e m o v e the exhaust manifold.
New service replacement cylinder block
4. Disconnect the throttle controls.
assemblies include main bearing caps and
bolts, dowels and the necessary plugs.
5. Disconnect and remove the starting
motor, battery charging alternator and
Since the cylinder block is the main
other electrical equipment.
structural part of the engine, the vari-
ous subassemblies must be removed from
6. Remove the radiator and fan guard
the cylinder block when an engine is ov-
a n d other related cooling system parts.
erhauled.
7 . Remove the air box covers.
The hydraulically operated overhaul
stand (Figure 11B-5 on page 11B-3),
8. Disconnect any other lubricating oil
provides a convenient support when
l i n e s , fuel lines or electrical connections.
stripping a cylinder block. The engine
is
mounted
in
an
upright
position.
It
9 . Remove the engine mounting bolts.
may then be tipped on its side, rotated
i n either direction 90 or 180 where it is
locked in place and then, if desired,