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 INSTALLATION (Continued) 13 4. Install main bearing caps (6). a. Install seven lower main bearing halves (13) into main bearing caps (6) in accordance with respective location marks. 6 A b. Coat mating surfaces (A) of main bearing (6) caps, crankcase webs (B), and lower main bearing halves (13) with lubricant (item 21, WP 0173). A 6 B A A CAUTION Main bearing caps and bearing halves must be installed in their original position. The side of each main bearing cap that is marked as "fly end" must be installed toward rear of crankcase (flywheel end). Failure to comply may result in premature failure. 10 28 6 c. Place main bearing caps (6) over crankcase studs (28) and lower into position. d. Use jackscrew (10) (item 110, WP 0176) to spread crankcase just enough so that each bearing cap (6) will slide into position. Jackscrew must be repositioned for each bearing cap location. e. Remove jackscrew (10). WP 0139 00-19