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RR1797E ENGINE ST813M REMOVE TIMING CHAIN SPROCKET AND CAMSHAFT 1. Remove retaining bolt and washer. Withdraw distributor drive gear and spacer. Examine components 4. Visually examine all parts for wear. Fit a new camshaft if bearing journals and cams show signs of wear, pits, scores and overheating. 2. Withdraw sprocket complete with timing chain. 5. Examine links and pins of timing chain for wear. Compare its condition with a new chain. Inspect teeth of sprockets, if necessary fit a new sprocket. 6. Measure camshaft journals for overall wear, ovality and taper. Diameters of journals are as Number 1 journal 45,4 to 45,3 mm 7. To check camshaft for straightness rest two 1 and 5 on 'V' blocks and mount a dial gauge on centre 'journal. Rotate shatt and note reading. If run out is more than 0.05 mm fit a new camshaft. 3. Withdraw camshaft, taking particular care not to damage bearings in cylinder block. |