TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 ROCKER ARM ASSEMBLY AND COVER REPAIR 0105 00 INSPECTION (Continued) 8. Inspect rocker arm (1) bearing sleeve (8) for scoring or looseness. Replace loose or scored bearing sleeves. Refer to WP 0028 9. Measure the diameter (A) of bearing sleeve (8) using telescoping gauge set (item 54, WP 0176). Replace bearing sleeves that do not meet the following limits. Refer to WP 0028. Location Sizes and Fits of New Parts inches (mm) Wear Limits A (Inside diameter) 0.7495 (19.0373) 0.7505 (19.0627) 0.7520 (19.1008) 10. Inspect rocker arm roller (9) for flat spots on roller surface. Replace rocker arm if rollers are damaged. 11. Measure rocker arm roller (9) radial clearance (B). a. Mount rocker arm (8) securely in a soft-jawed vise (item 132, WP 0176). b. Set dial indictor (10) (item 65, WP 0176) against contact surface of roller (9). c. Grasp roller and pull forward as far as possible. Set dial to zero and then push roller back as far as possible. Dial indicator reading is radial clearance (B). d. Replace rocker arm if rollers do not meet the following limits. Location Sizes and Fits of New Parts inches (mm) Wear Limits B (Roller radial clearance) 0.0020L (0.0508) 0.0030L (0.0762) 0.0055L (0.1397) 9, B 10 1 1 A 8 WP 0105 00-4