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

TM 9-2815-220-34 3-186. Turbosupercharger Oil Inlet Hose and Transmission Shroud a. lnstall gl'ommet (fig. 3-21) on fuel return tube and position right transmission shroud on lower l'ight engine shroud making sure grommet alines with slot in transmission shl'oud and secure with two machine screws. b. Secure Lurbosupei·charger oil inlet hose to tie rod and cnmshaſt gear housing cover with assem- bled washer bolt and cnpscrew, and connect hose to bulkhead adapter elbow. lnstaJl left fuel return L ube, transmission shroud and oil hose in the same ma nner. NOTE Model A VDS-1790-2DR has two assem- bled washer bolts and cushioned clamps securing the turbosupercharger oil inlet hoses to the tie rod, and is not equipped with right and left transmission shrouds. 3-187. 011 Cooler, Support Beams, and Frame a. Frcune Support Brackets. Install six right frame support brackets (fig. 3-20) on cylinders and secure with twelve self-locking nuts. Install exhaust elbow retaining strap and secure with machine bolt and self locking nut. Install six left frame supports and retaining strap in the same manner. a.1. Install one plate and two tube clamps (one- tube) and secure with one self-locking nut and ma- chine bolt (3, fig. 3-48.1). b. Left Oil Cooler Sitpport Freie. (1) Install left oil cooler support frame (7, fig. 3-19) on frame supports and secure rear shroud with assembled washer bolt (6). Install tur- bosupercharger support bracket (3) and secure to turbosupercharger tie rod with self-locking nut, bolt, grommet and two spacers (2). Secure tur- bosupercharger support bracket to oil cooler frame with capscrew and self-locking nut (1). Secure transmission upper shroud (6) to oil cooler support frame with three assembled washer bolts (4). I NOTE Model AVOS-I 790-2DR has four assem- bled washer bolts (6, fig. 3-19) securing Lhe rear shroud to the oil cooler support frame. (2) Secure oil cooler support frame to supports with six capscrews and self-locking nuts. Connect manifold air heater fuel retu tube to manifold heater cl bow (6, fig. 3-18). Connect inlet tube to 3·242 Change 3 nozzle inlet elbow (4). (3) Install ignition unit (3) with clamp on oil cooler support frame and secure with two capscrews and self-locking nuts (2). Connect man- ifold heater electrical lead (1) to manifold heater spark plug. Secure front shroud to oil cooler sup- port frame with three assembled washer bolts (fig. 3-17). c. Right Oil Coole�· Support Pme. (1) Install right oil cooler support frame (4, fig. 3-16) on frame supports. Install transmission upper shroud (6) and secure to rear shroud with two assembled washer bolts (3). Install tur- bosupercharger support bracket (2) and secure to turbosupercharger tie rod with self-locking nut, bolt, grommet and two spacers (1). NOTE Model AVDS-1790-2DR has five assem- bled washer bolts (3, fig. 3-16) securing rear shroud to the oil cooler frame, and is not equipped with a transmission upper shroud (5). (2) Secure t.urbosupercharger support bracket to oil cooler frame with capscrew and self-locking nut (7, fig. 3-15). Secure oil cooler support frame to supports with six capscrews and self-locking nuts (6). Connect manifold air heater fuel return tu be (6) to manifold heater elbow. Connect inlet tube to nozzle inlet elbow (4). Install ignition unit with clamps (3) on oil cooler support frame and secure with two capscrews and self-locking nuts (2). Con- nect manifold heater electrical lead (1) to manifold heater spark plug. (3) Install bulkhead u nion (fig. 3-14) and secure to front shroud with retainer nut. Secure front shroud to oil cooler support frame wJ1 assembled washer bolts. Connect fuel ter con- stant bleed hose to primary fuel filter adapter . Install cushioned clamp on bleed hose and secure to oil cooler fra me and front shroud wi th as- sembled washer bolt. (4) Connect fuel filter constant bleed hose (fig. 3-13)  bulkhead union and to fuel injector nozzle and holder connector. d. Oil Coolers. (1) Instal l transmission oil cooler screen bracket (9, fig. 3-12) on transmission oil cooler and secure bracket and cooler to support frame with two machine bolts (8). Secure transmission oil cooler with two machine bolts and flat washers (10). ) )