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Trimming the recessed part of the crankcase of Mitsubishi S6R diesel engine
5.5 Measure the outer diameter of the crank pin of the crankshaft of Mitsubishi S6R diesel engine and the crankshaft neck of Mitsubishi S6R diesel engine
(1) Measure the outer diameter of the crank pin of the crankshaft of Mitsubishi S6R diesel engine and the crank journal of Mitsubishi S6R diesel engine. When the limit is exceeded, use a reduced size bearing pad to grind the Mitsubishi S6R diesel engine crankshaft in accordance with and reduce the size of the bearing pad.
When the reduced-size spindle bush with the -1.00 mm specification still exceeds the limit, replace the crankshaft with a new Mitsubishi S6R diesel engine.
(2) Judgment of out-of-roundness and out-of-cylindricity based on the measured outer diameter.
Measuring the outside diameter of a crank pin
5.5.1 Grinding crank pin of Mitsubishi S6R diesel engine crankshaft and crankshaft neck of Mitsubishi S6R diesel engine
Grind the crankshaft of the Mitsubishi S6R diesel engine with the reduced size bearing bushes according to the standard values corresponding to the reduced size bushes.
Be careful not to change the radius of the chamfered end of the journal and the journal width during grinding. For the Mitsubishi S6R diesel engine crankshaft with significantly reduced surface hardness, heat treatment and magnetic inspection are performed.
After grinding, measure the crankpin journal width and the journal width of the rear end Mitsubishi S6R diesel engine crank journal.