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 TM 55-1905-219-14-10
5-4. MAIN PROPULSION ENGINE/MARINE GEAR - REMOVAL AND RUN-IN
MAINTENANCE INSTRUCTIONS. (Continued).
LOCATION
ITEM
ACTION
REMARKS
RUN IN (Cont)
3 Upon completion of the Basic Run-In and Inspection, remove the load
from the dynamometer and reduce the engine speed gradually to idle and then
stop the engine.
(d)
Inspection After Basic Run-In
The primary purpose of this inspection is to provide a fine engine tune-up. First, tighten the cylinder head
and rocker arm shaft bolts to the proper torque. Next, complete the tune-up procedure.
(e)
Final Run-In
1
After all of the tests have been made and the Engine Test Report is
completed through Section (d), the engine is ready for final test. This portion
of the test and run-in procedure will assure the engine owner that hi engine
s
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 est procedure were
t
started anew.
3
All readings observed during the Final Run-In should fall within the range
specified in the Operating Conditions in Chapter and should be taken at full
load unless otherwise specified. 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.
5-31
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