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 CRANKSHAFT REPLACE/REPAIR 0139 00 REMOVAL (Continued) CAUTION Do not use a scribe or other sharp instrument for marking bearing halves; use a grease pencil instead. Failure to comply may result in premature failure of bearing. 13 4. Mark lower half of main bearing. a. Separate the lower main bearing half (13) from its bearing cap (6). 6 b. Using a shop rag and suitable cleaner, wipe back of bearing half. c. Mark back of lower main bearing half (13) with its respective location using a grease pencil, for example "1 cap," "2 cap" and so on. CAUTION The crankshaft counterweights for connecting rod bearing journals 1R, 1L, 6R, and 6L must be in the up position so the crankshaft will clear the sides of the crankcase when it is removed or damage may occur. 5. Rotate crankshaft (14) until counterweights (A and B) are in the position shown. B A 14 WP 0139 00-5