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Engine overhaul manual page showing piston clearance and flywhee…

Engine overhaul manual page showing piston clearance and flywheel runout inspection diagrams
Engine overhaul manual page showing piston clearance and flywheel runout inspection diagramsOriginal file
Engine overhaul manual page showing piston clearance and flywheel runout inspection diagrams

Scanned page from an engine overhaul service manual (page EM-24) covering piston-to-cylinder wall clearance inspection, piston-to-cylinder clearance measurement, and flywheel runout, with technical diagrams labeled SEM187A, SEM55C, and SEM027.

AI caption · Photo 78 of 412

ENGINE OVERHAUL PISTON TO CYLINDER WALL CLEARANCE 1. Measure piston diameter. Piston diameter "H": Refer to S.D.S. Measuring point "L: 9 mm (0.35 in) SEMIE7A 2. Check that piston clearance is within the specification. Piston clearance: 0.023 - 0.043 mm (0.0009 - 0.0017 in) Inspection (Cont'd) MEASURING PlSTON~T0~CVLINDER CLEARANCE When pulling feeler gauge straight upward, measure the extracting force. Feeler gauge thickness: 0.04 mm (0.0016 in) Extracting force: 4.9 v 14.7 N (0.5 - 1.5 kg,1.1 3.3 lb) 5EM55: Rum-n (Total Indium main.) L mm 0.15 mm (c.0059 in) SEM027. Install ring on flywhal While heating ring gear t1 about 180 to 220C (356 to 428F).

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