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 TM 55-1905-220-14-11
5-69.
ENGINE ASSEMBLY - REMOVAL AND RUN-IN - MAINTENANCE INSTRUCTIONS
(Continued).
LOCATION
ITEM
ACTION
REMARKS
ENGINE RUN-IN INSTRUCTIONS (Cont)
(e) Final Run-In
1. After all of the tests have been made and
the Engine Test Report (see page 5-926)
is completed through Section (d), the engine
is ready for final testing. This portion of
the test and run-in procedure will assure the
engine user that the engine has been rebuilt
to deliver factory-rated performance at the
same maximum speed and load which will be
experienced in the installation.
2. If the engine has been shut-down for one
hour or longer, it will be necessary to have
a warm-up period of 10 minutes at the same
speed and load used for warm-up in the Basic
Run-In. If piston rings, cylinder liners
or bearings have been replaced as a result
of findings in the Basic Run-In, the entire
Basic Run-In must be repeated as though the
run-in and test procedure were started anew.
3. All readings observed during the Final Run-
In should fall within the range specified
in the Operating Conditions, and should be
taken at full load unless otherwise speci-
fied. Following is a brief discussion of
each condition to be observed.
4. The engine water temperature should be taken
during the last portion of the Basic Run-In
at full load. It should be recorded and
should be within the specified range.
5. The lubricating oil temperature reading must
be taken while the engine is operating at full
load and after it has been operating long
enough for the temperature to stabilize. This
t
emperature should be recorded and should be
within the specified range.
5-925
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