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ENGINE - TD5 OVERHAUL 12-1-81 54. Remove and discard spring ring retaining rocker arm on shaft. 55. Remove rocker arm. Remove and discard 2nd spring ring. 56. Repeat above procedures for remaining rocker arms keeping them in their fitted order. 57. Clean rocker arms and shaft, ensure oilways are clear. CAUTION: Identify type of rocker shaft 58. Check diameter of each rocker arm journal on shaft, take 2 measurements at 180 ° : l Journal diameter = 26.971 to 26.998 mm 59. Using a vernier, check internal diameter of each rocker arm, take 2 measurements at ° : l Rocker arm internal diameter = 27.0 to 60. Fit new spring ring to groove in rocker shaft. with engine oil. 62. Fit rocker arm to shaft ensuring it is in its original fitted order. 63. Fit new spring ring to retain rocker arm. arms ensuring they are in their original fitted 65. Fit new rocker adjusting screws and locknuts to rocker arms; do not tighten screws fully into CAUTION: Ensure screws are correct for |