TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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) ) ) . Insta ll right front and rear upper covers (1 5 and 1 4, fig. 3-6) on oil cooler frame and secure with 12 assembled washer bolts (13). Install two preformed packings on oil indicator tube neck and position left rear and left front upper covers (12 and 1 I, fig. 3-6) on oil cooler support frame and secure with twelve assembled washer bolts (1 0). Open oil indicator tube cap (9), and install oil gage indicator rod. Secure cooling fan shroud to left and right top frame brackets with twelve self-locking nuts and flat washers(8) aJlCI two assembled washer bolts (right side only). cl.l. On engine Model AVDS-1790-2DR, install right front upper cover (16, fig. 3-6.1) and right rear upper cover ( 1 8) on oil cooler frame and secure with twenty two assembled washer bolts (1 5 and 1 7). Install cover adapter (14) 1d secure with five assembled washer bolts (I 3). Install left rear upper cover (J 2) and secure with eight assembled washer bolts ( 1 I ). Install two new preformed packings on oil indicator tube neck and install left front upper cover assembly (J 0), ( with oil level indicator tube cap attached) and secure with nine assembled washer bolts (9). Install retaining strap (8) and secure with two assembled washer bolts (7). lnstall four assembled washer bolts (6) and twelve self-locking nuts aJlCI flat washers (5) to secure cooling fan shroud to top frame. Open oil indicator tube cap (4) and install oil gage indicator rod. Close oil indicator tube cap. e. With cooling fan shroud and fan housing installed, check clearance between end of each cooli ng fan blade and rim of cooling fan housing with feeler gage (fig. 3-337). Clearance must be 0.062 inch minfom. When clearance is not within limits loosen screws and shift housing as necessary until clearance is obtained. f Ins tall cooling fan vane (3, fig. 3-6) on rear fan housing (7) and secure with two capscrews and lockwashers (6) and two bolts and lockwashers (5). TM 9-2815-220-34 Install cooling fan vane (3) on front fan housing (4) and secure with two capscrcws and lockwashcrs (2) ;md bolts and lock washers (I). g, Deleted. Deleted. ge J-137. Checking o+g fan blade clearance. 3-188.1. 011 Sampling System lnstall oil sampling system assembly to right bank oil coolers as shown in figure 3-5.5. Attach coupling nut of transmission oil inlet line (3) to adapter (4). Attach coupling nut of engine oil inlet line (2) to tee (1 ). Secure bracket (7) to right rear upper cover with two assembled washer bolts (6). Secure oil inlet lines to right upper covers with four assembled washer bolts and loop clamps (5). Change 3 3-243 (3-244 blank)