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23. Loosely fit new nylon pad and adjuster set screw assembly. 24. Fit new sealing ring to cover. screw. 27. If necessary back off sector shaft adjuster screw. Tap cover in place to allow cover to joint fully with casing. • NOTE: Before tightening fixings, rotate input shaft to ensure sector shaft roller is free to move in valve worm. If initial resistance is left, turn adjuster screw approximately two turns in a clockwise direction. 28. Fit cover bolts. Tighten to 75 Nm (55 lbf/ft). 29. Fit new square section seal to cover. just to clear retainer ring groove. 31. Fit retaining ring to groove with one end of ring |