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 OIL SEAL HOUSING ASSEMBLY AND ASSOCIATED PARTS REPLACEMENT 0136 00 REPAIR (Continued) 1. Replace bent, stripped, or otherwise damaged studs (15). See WP 0028. Callout Setting Height Quantity 15 31/31 (24.6062) 4 Stud Dimensions 5/16-18 (51/64) x 5/16-24 (21/32) x 1-5/8 16 15 2. Replace defective screw thread inserts (16). See WP 0028. 9,10 3. Replace loose or damaged dowel pins (9,10). See WP 0028. INSTALLATION 1. Install new oil seal (12) (item 285, WP 0169) onto crankshaft (13). CAUTION One end of seal spring must be turned 2-1/2 turns in relation to the opposite end for proper engagement. Failure to comply may lead to crank seal leakage. a. Install new oil seal spring (14) onto crankshaft (13). Pre-load spring by twisting the male end counterclockwise and the female end clockwise, then insert the male end into the female end and release. 13 12 12 14 b. Apply silicone compound (item 34, WP 0173) to crankshaft (13) before installing new split oil seal (12). NOTE Groove in split oil seal must face damper end of crankshaft. c. Install new split oil seal (12) onto crankshaft (13). d. Position oil seal spring (14) in split oil seal (12) so that splits in each piece are 180 degrees apart. WP 0136 00-5