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ENGINE - V8 OVERHAUL 12-2-69 3. Clamp hexagon body of tool LRT-12-013 in vice. 4. Loosen large nut and pull the centre screw 50 mm (2 in) out of hexagon body. 5. Fit piston adapter tool LRT-12-126/2 . 12-162/2 with groove towards piston, up to 7. Lubricate gudgeon pin and bores of connecting rod and piston with graphite oil. 8. Locate connecting rod and piston to centre screw with connecting rod entered on sleeve 9. Fit gudgeon pin on to centre screw and into piston bore up to connecting rod. 10. Fit remover/replacer tool LRT-12-126/1 with flanged end towards gudgeon pin. 11. Screw the stop nut on to centre screw and position piston against groove of tool LRT-12- 12. Lubricate centre screw threads and thrust race with graphite oil, screw large nut up to tool 13. Lock the stop nut securely with lock screw. socket on large nut, pull gudgeon pin in until CAUTION: The centre screw and thrust race 15. Dismantle tool, remove piston and check no damage has occurred during pressing and that 16. Remove compression rings, oil control rails and expander from new piston. 17. Invert piston and with arrow pointing towards rear of cylinder block, insert piston into cylinder 18. Position piston with bottom of skirt 30 mm (1.12 in) from top cylinder liner. 19. Using feeler gauges, measure and record clearance between piston and left hand side of l Piston to bore clearance = 0.020 to 0.045 20. Insert piston rings into cylinder bore, use the piston to hold the rings square to bore and l 1st compression ring = 0.30 to 0.50 mm l 2nd compression ring = 0.40 to 0.65 mm l Oil control ring rails = 0.38 to 1.40 mm 21. Remove piston rings from bore. 22. Fit oil control ring rails and expander, ensuring ends butt and do not overlap. |