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2.25 LITRE PETROL AND DIESEL ENGINE 13. A scored ball valve seat can be restored by using a locally made lapping tool by silver soldering a new 14. Install the tube in a drill and lap-in using coarse grinding paste. Finally hand-lap the seat with fine paste using the same diabalo method as for lapping valves. 15. Thorougly wash the pump body to remove all traces of grinding paste. . 14 REMOVE AND OVERHAUL THE TIMING CHAIN, 1. Remove the timing cover. Before removing the timing chain tensioner notc the ratchet position in relation to t h e pawl which will give an indication of chain wear. If the last tooth of the ratchet is engaged with the pawl t h e chain is excessively worn and should be discarded. 2. Remove the ratchet pivot bolt, plain bolt and n u t and withdraw the timing chain tensioner complete. 3. Remove the timing chain and crankshaft sprocket. Assemble the oil pump 16. Fit the idler gear to the spindle. Fit the driven gear with plain part of the bore 18. Smear the joint face of the body with jointing compound and fit the cover over the four bolts and spring washers. 19. Hold relief valve bore vertically and insert the 20. Fit the oil strainer sealing ring to the pump body followed by the lock washer and strainer. Tighten so that when fitted the strainer is positioned parallel to the sump baffle a bracket to the strainer. 5 . Remove the camshaft sprockct retaining bolt and washer. Withdraw the sprockct using chain wheel or similar. Illustration shows the early retaining bolt and tab washer. B shows the latest and special washer. . 3 |