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

3-180. Fuel/Water Separator, Automatic Drain System, and Solenoid a. Install a new mounting bracket gasket and install fuel/water separator filt er mounting bracket (fig. 3-37) on cylinder No. IL and secu re with I three scre\\!S and Oat washers . b. Install fuel/water separator filter on mounting bracket and secure with two capscrews, lockwashers and flat washers (2, fig. 3-36), and one lower capscrew, lockwashe1· and plain washer (3). Connect fuel outlet hose (7) to bulkhead elbow and to filter elbow. Connect fuel inlet hose (6) to filter elbow. c. Install assembled filter drain hose, bracket and drain cock (fig. 3-35) on damper housing stud and secure with self-locking nut. Install automatic water drain mounting bracket, control module, solenoid valve and fittings as an assembly on crankcase and secure with three screws and lockwashers (5, fig. 3-34). Connect assembled filter drain hose at solenoid valve nipple (4) and at filter elbow (3). Install cushioned clamp (1) on water level probe leads (2) and secure clamp to No. lL cylinder barrel shroud with machine screw. . Install two water level probes (5, fig. 3-36) maki ng sure that the probe from the upper )I co1 m ector of the control identified by red shrink tube, is installed  the upper filter opening. Install cushioned clamp on probe leads and install clamp lock washer and capscrew (1) on el/ water separa- tor filter. 3-181. Throttle Linkage Cross Shaft and Brackets ) ) 1 Install a newcamshaftend plate gasket and install throttle linkage cross shaft (12, fig. 3-33), camshaft end plate (10), with tachometer drive adapter (11) installed, as an assembly. Secure to No. IR cylinder with one capscrew and lockwasher (9) and to dampe1· housing with two assembled washer bolts (8). Position primary fuel filter and bracket (6) on camshaft end plate and secure to cylinder with two capscrews and lockwashers (5). Install manual fuel shutoff rod through front shrnud, .and secure to manual fuel shutoff lever (4) with nat washer and cotter pin (3). Check for full, free travel. Install adjustable rod through front shroud and secure to injection pump fuel lever (2) with self-locking nut. and capscrew (1). Refer to paragraph 2-2lb, for adjustment procedures. 3-182. Primary Fuel Filter Install primary fuel filter outlet elbow (10, fig. 3-278) and constant bleed adapter (10, fig. 3-282) in filter. Install' assembled filtet· (7, fig. 2-67) in filter bracket (8) and secure by tightening two self- locking nuts in filter bracket (6). See figure 2-67, 2-68 and 2-68.1 for position of filter in bracket. TM 9-2815-220-34 3-183. Intake Manifold Assembly a. Install six new intake manifold gaskets and install right intake manifold (4, fig. 3-32), and tur- bosupercharger air outlet elbow (6) as an assembly on the cylinders and secure with eighteen plain nuts and lockwashers (3, fig. 3-32). Secure intake manifold tube nange nuts. b. Connect generator vent hose (1) to intake man- ifold elbow (2). (Model AVOS-1790-2C only). Install left intake manifold assembly in the same manner. 3-184. Cylinder Head Oil Drain Lines a. Install new flat washers on si x cylinder h ea d oil tube bolts (J, fig. 3-31 ) , install bolts th roug h intermediate oil drafo tubes and install new flat I washers on bol ls. Install light front drain tube (5) front (2) and rea1· (4) cylinder head oil drain tubes (3) as an assembly on cylinders and tigh len six bolts (1) securing tubes to cyl inders . Install locking wire securing bolts and tighten all hose clamps. Install left cylinder head oil drnin tubes in the s ame manner. b. lnstall turbosupercharger oil drain tube (fig. 3-30) and hoses on right rear cylinder head oil dnlin tube and loosely install hose clamps. Install tubes, hoses and clamps as an assembly on rear cylinder head oil drain manifold tube and tighten hose clamps. Install left rear cylinder head oil drain tube and turbosupercharger oil drain tube and hoses in the same manner. c. Install new drain tube gasket and install left rear cylinder head oil drain tube on oil pan and secure with two capscrews and lockwashers (fig. 3-29). Install right rear (fig. 3-26) and right front (fig. 3-27) and left front (fig. 3-28) cylinder head oil drain tube in the same manner. 3-185. Manifold Heater Tubes, Solenoids and Filter a. Install left (12 fig. 3-25) and right (11) rear center shrouds on accessory drive housing and se- cure with three machine screws and lockwashers (10). Install hose clamp (9) on crankcase breather tube tee hose. Install tube cross (8) and elbow through right rear center shroud and secure with nat washer and nut. Position solenoid bracket, sol- enoid valve (6), check valve (7), and fittings on left rear center shroud and secure with three assem- bled washer bolts (5). Install manifold fuel heater fuel retu hose (4) through left rear center shroud and connect to check valve elbow. Install fuel retu hose shroud grommet (3). Install two loop clamps on right manifold heater fuel retu lube and connect tube to solenoid tee ( 1) and secure loop clamp with ma chi ne screw (2). Change 3 3-240.1 (3-240.2 blank)