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 TUBE SUPPORT TA055535 Figure 2-59.J. Location of fuel injector l11be clamps, model AVDS-l790·2DR e11gi11e. NOTE The fuel injection pump, fuel tubes, and fuel tube connections must be checked for fuel leaks with the engine running before the cooling fans are installed. (19) Install a fan rotor hub sleeve spacer, part No. 10882651 (fig. 2-60), on each fan drive vertical drive shaft to prevent oil seepage at fan drive oil seals while operating engine. Secure the spacer to each drive shaft with the nut used to secure the cooling fan. Start engine and check for fuel leaks. If leaks are evident, loosen the tube fittings and re- tighten. Replace fuel injection tubes if leak per- sists. Remove sleeve spacers. (20) Position cooling fans shroud and fan hous- ings (fig. 2-35) on engine. Be sure raised fan hous- ing is t o the rear of the engine. Install three as- sembled washer bolts (2), attaching left and right rear shroud and left and right rear center shroud to cooling fan shroud. Install four assembled washer bolts flat washers and hexagon nuts (1), attaching rear shroud and cylinder head fuel re- turn tube clamps to cooling fan shroud. (20.1) Position cooling fan shroud and fan hous- ings (fig. 2-35) on engine. Be sure raised fan hous- ing is toward rear of engine. Install three assem- bled washer bolts (2, fig. 2-35.1) attaching left and right rear shroud and left and right rear center shroud to cooling fan shroud. Install four assem- bled washer bolts (1) and self-locking nuts (not shown) securing the fuel return tube clamps and cooling fan shroud to the rear shrouds. (21) Install five assembled washer bolts, and one hose clamp (fig. 2-34), attaching cooling fan shroud and oil cooler vent hose clamps to left and right shroud. (22) Install front and rear upper covers to boU1 left and right bank oil cooler supports. (a) Position right reai- upper cover (10, fig. 2-33) first, and right front upper cover (11, fig. 2-33). Secure oil sampling inlet hoses using foui· assembled washer bolts and loop clamps (5, fig. 2-31 ). (b) Attach oil sampling valve bracket (4) using two asse bled washer bolts (3 ). ( c) Attach wiring cable harness bracket (2) to front right uppe� cover using four assembled Change 3 2-61