TM 5-3810-300-24&P-3
mounting pads, for flatness, nicks and burrs. The
2. If a new service replacement block is used, stamp
flatness of the blower mounting pad must not vary more
the engine serial number and model number on the pad
than .004". Clean-up damaged threads in tapped holes
located in the upper right-hand corner on the blower side
with a tap or install helical thread inserts, if necessary.
of the block. Also stamp the position 1 numbers on the
main bearing caps (Fig. 18) and the position of the No. I
15. After inspection, if the cylinder block is not to be
bearing on the oil pan mounting flange of the block.
used immediately, spray the machined surfaces with
3. Install all of the required cylinder block plugs and
engine oil. If the block is to be stored for an extended
drain cocks. Use a good grade of non-hardening sealant
period of time, spray or dip it in a polar type rust
on the threads of the plugs and drain cocks. Install the
preventive such as Valvoline Oil Company's "Tectyl 502-
plugs flush with or below the surface of the block.
C", or equivalent. Castings free of grease or oil will rust
4. Clean and inspect all engine parts and
when exposed to the atmosphere.
subassemblies and, using new parts as required, install
them on the cylinder block by reversing the sequence of
disassembly.
The procedures for inspecting and
installing the various parts and sub-assemblies are
Assemble and Install Engine
outlined in the following sections of this manual.
5. Use a chain hoist and suitable sling to transfer the
After the cylinder block has been cleaned and inspected,
engine to a dynamometer test stand.
assemble the engine as follows:
6. Complete the engine build-up by installing all
remaining accessories, fuel lines, electrical connections,
NOTE: Before a reconditioned or new service
controls etc.
replacement cylinder block is used, steam clean
7. Operate the engine on a dynamometer, following
it to remove the rust preventive and blow out the
oil galleries with compressed air.
8. Reinstall the engine in the vehicle.
1.
Mount the cylinder block on the overhaul stand.
Page 26