TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download

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I TM 9-2815-220-34 Figure 2-71. Di s co1111ectin g or co1111ecti11g 111i1i11g ar1iess assembly bracket. I Inlet hose 2 Outlet hose 3 Vent hose elbow 4 Vent hose tee 5 Prefoed packing 6 Machine bolt 7 Engine oil cooler screen TA265642I 8 mper end oil cooler screen bracket 9 Center oil cooler screen bracket I 0 Enne oil cooler I I Machine bolt 12 Transmission oil cooler screen brack ct 13 Bolt and washer 14 Transmission oil cooler 15 Self-locking nut, Oat washer 16 Elbow connector 17 Casket 18 Oil cooler themiostatic bypa valve ure 2-72. Remoi•ing or i11stalli11g e11gi11e and tra11smiio11 oil cooler. (6) Remove six self locking nuts and flat washers (15) and remove two connector elbows (16). Remove and discard gaskets (17). 2·68 Change 3 (7) Remove transmission oil cooler thenno- static bypass valve (18) and retain for installation in replacement oil cooler. Remove and discard thermostatic valve spacer ring (gasket). NOTE Remove the enne oil cooler bypass valve in a similar manner. b. lns�allation. (1) Install oil cooler thermostatic bypass valve (18, fig. 2-72) using a new spacer ring (gasket). NOTE Install engine oil cooler bypnss valve in a similar manner. NOTE The left bank lower engfoe oil cooler elbow on Model AVDS-1790-2C and AYDS-l 790-2D is shorter than the other three elbows. All of the elbows on the AYDS-l 790-2DR are the same. (2) Install connector elbows (16) using new gaskets (17) and secure with six self-locking nuts and flat washers (15). (3) Position transmission oil cooler screen bracket (12) on transmission oil cooler (14) and se- cure bracket and cooler to support frame with two machine bolts (11). Secure transmission oil cooler with two machine bolts and flat washers (13). (4) Position · center oil �ooler screen bracket (9), damper end oil 1;ooler screen bracket (8), and en- gine oil cooler screen (7) on enne oil coo l e (10). Install brackets, Sreen and cooler as an assembly to the suppurt frame and secure with four machine bolts (6). (5) Install oil co ol er vent hose tee (4) using I new preformed packing (5). Connect oil cooler vent hose elbow (3), oi l cooler outlel hose (2) and oil cooler inlet hose (1). (6) Install transmission oil cooler screen (fig. 2-71) and wiring harness bracket assembly and se- cure to center oil cooler screen bracket and to transmission oil cooler screen bracket with four assembled washer bolts. (6.1) Install transmission cooler adapter (6, Dg. 2-70) with new preformed packing. Install transmjssion oil Jine coupling nut (7) to adapter (6). lhstall enne oil line coupling nut (8) to vent Line tee (9). (7) Install assembled wiring haess cable (3, fig. 2-70) and bracket (2) and secure to right front upper cover with four assembled washer bolts (1). I nstal l two retaining straps (4) and secure to wiring haess bracket assembly with four capscrews and lockwashers (5).