C y l i n d e r Block 1.1
DETROIT DIESEL 53
must be removed from its base and disconnected from
were used in engines beginning with serial numbers
the transmission or other driven mechanism. Details
2D-4010, 3D-117 and 4D-348.
of this procedure will vary from one application to
another. However, the following steps will be
necessary:
1. Drain the cooling system.
2. Drain the lubricating oil.
New service replacement cylinder block assemblies
3. Disconnect the fuel lines.
include the main bearing caps, bolts and washers and
the camshaft bearings (bushings). The dowels and the
4. Remove the air silencer or air cleaner and mounting
necessary plugs are also included.
bracket.
Since the cylinder block is the main structural part of
5. Remove the turbocharger, if used.
the engine, the various sub-assemblies must be
removed from the cylinder block when an engine is
6. Remove the blower on In-Line engines.
overhauled.
7. Disconnect the exhaust piping and remove the
The hydraulically operated overhaul stand (Fig. 9)
exhaust manifold(s).
provides a convenient support when stripping a
cylinder block. The engine is mounted in an upright
8. Disconnect the throttle controls.
position. It may then be tipped on its side, rotated in
either direction 90o or 180o where it is locked in place
9. Disconnect and remove the starting motor, battery-
and then, if desired, tipped back with either end or the
charging generator and other electrical equipment.
oil pan side up.
10. Remove the air compressor, if used.
Remove and Disassemble Engine
11. Remove the radiator and fan guard or the heat
exchanger and other related cooling system parts.
12. Remove the air box drain tubes and fittings.
Before mounting an engine on an overhaul stand, it
SEC. 1.1 Page 3
March, 1973
