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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
TESTING THE COMPRESSION
PRESSURE GENERAL INSTRUCTIONS
îîCAUTION
a. Measure the compression pressure at
regular intervals to obtain correct data.
b. The compression pressure will be slightly
higher in a new or overhauled engine due
to new piston rings, valve seats, etc.
Pressure will drop gradually by the wear
of parts.
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