TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 1 a<'hinu bull 1111.t self-lking nut 1'uruosuפrchnrger support bracket 3 As$e111blcd wnsher bolt 4 Oil cooler support frame 5 Transmission upper shroud Fi111·c ;J.J/:. R··11111t•i11a r i11lalli11a ohl oil coolerimpport frrwtt . , 111/fl tu rlm117wrch11mc1· supµurL bmckel. c. Le}i Oil Cooler S111>porl mme. (1) Remove t111'ec assembled washer bolts (fig. 3-17) securing front shroud to oil cooler support ame . (2) Disconnect manifold heater spark plug electrical lend (1 fig. 3-18). Remove two capsc rews and self-locking nuts (2) and remove ignition unit (3) with clamps and lead. Remove clamps and dis- connect lead from ignition unit. (3) Disconnect manifold heater fuel inlet tube from nozzle inlet elbow(4). Disconnect manifold air heater fuel retu tube (5). Remove six capscrews and f.e)f. JocJ{ing nuts (6) securing oil cooler support frame. 3-10 Change 3 f'iorire ;J.J7. Disco1111ecti11g or co1111ccti11g lejlfro11t oil cooler support frame. (4) Remove capscrew and self-locking nut (1, fig. 3-19) and self-locking nut, machine bolt, grom- met and two spacers (2) and remove turbosuper- charger support bracket (3). Remove three assem- bled washer bolts (4) and remove left transmission · upper shroud assembly (5). Remove assembled washer bolt (6) and remove oil cooler support frame (. NOTE Model AVDS-1790-2DR has four assem- bled washer bolts (6, fi g. 3-19) securing the rear shroud to the oil cooler support frame. 3-10. Frame Support Brackets and Tur- bosupercharger Oii iniet Hoses a. Upper Cover Frame Support Brackets. Re- move sel f -l ocking nut and machine bolt (fig. 3-20) and remove exhaust elbow retaining strap. R move twelve self-locking nuts (fig. 3-20) attaching upper cover frame support brackets to cylinders ) )