TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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Fiuw·c .95. Rc111ovi11g o» i11stalling lt'<t11s111issiv11 .:a/e rrm11cc- tor bmckrl, model ,\VDS-1790-2C u11d J\VDS./790·.!D t'11gi11cs. c. Remove eight capscrews, lockwashers and flat washers (fig. 3-96) securing the oil pan to the crankcase. Remove nine capscrews, lockwashcrs and flat washers (1, fig. 3-97) securingthe oil pan to the crankcase damper and oil filter housing (2). Remove 27 of 28 self-locking nuts and flat \ � as hers (3) on each side of the crankcase assembly. Leave one nut and washer installed on each side of the oil pan, near the center of the pan, to prevent the oil pan from falling and being damaged. Support the oil pan adequately before removing the two nuts and washers, then remove the oil pan (4). Remove oil pressure transmitter (5), bu shg and elbow from crankcase. c.1. Remove eight capscrews1 lockwashers and flat washers (fig. 3-96) securing the oil pan to the crankcase. Remove nine capscrews, lockwashers and flat washers (1, fig. 3-97) securing the oil pan to the crankcase damper and oil filter housing (2). Remove 27 of 28 self-lockingnuts and flat washers (3) on each side of the crankcase assembly. Leave one nut and washer installed on each side of the oil TM 9-2815-220·34 Figui·e :t.96. R611ru11i+y 111· i11.�tnlli11y oil JJ<111 rear 1:1111Ncn·w11. I Capscrew, lockwasher and : Self-locking nul and llal washer nat washer 4 Oil pan 2 Crankcase damper and oil 5 Oil pressure transmitter filter housing f'igure .97. Removing or i11tc1/li11g oil /JU 11. pan, near the center of the pan, to prevenL I.he oil pan from falling and being damaged. Support the oil pan adequately before removing the Lwo nuts and washers, then remove the oil pan (4). Remove high oil pressure transmitter (1, fig. 3-97.1), auxil- iary generator high oil pressure switch (2), pipe elbow (3), tee (4), bushing (5), and pipe elbow (6) from crankcase. Remove nipple (7). . Remove eight self-locking nuts and flat washers (fig. 3-98) attaching crankcase damper and oil filter housing to crankcase assembly. Hook a suitable chain or hoist into lifting eyes. Take up housing weight on chain or hoist and separate housing from crankcase assembly . NOTE Do not allow hotlsingto rest on studs after housing is separated from crankcase and oil transfer tubes. Extreme caution must Change 3 3·41