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 Prefoed 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 Enne 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 tra11smiio11 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 enne 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 enne oil coo l e t· (10). Install brackets, Sreen 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 enne oil line coupling nut (8) to vent Line tee (9). (7) Install assembled wiring haess 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 haess bracket assembly with four capscrews and lockwashers (5).