TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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I Socket head pscrcw 2 Assembled washer bolt 3 ble bracket 4 Assembled washr boll ond loop clamp TM 9-2815-220-34 5 Assembled washer bolt and loop clamp 6 pscrW and lockwashcr 7 Retaining strap 8 Loop clamp TA265630I Figure 2·31. I. Rcmo1•i11g or i11sro/li11g left wiring harness coble bracket, model A V DS-l 79.2C and A DS-1 790-20 /are engines I (4.1) On early engines, remove four ca screws and lockwashers (fig. 2-32) and remove assembled widng haess cable bracket from left front upper cover. Set aside. Figure 2-32. Re111011ing or i11stolling left wlri11g hnms coble bracket, model AVDS·l 790·2Cond AVDS·l 790-2D early engines. I (4.2) On late engines remove two assemblc<l washer bolls and loop clamps (5, fig. 2-31.1) securing smoke generating system electrical lead to left rear upper cover. Remove two socket head capscrews (J ), Uiree assembled washer bolts (2) and loop clamp. Assembled haess cable bracket (3) is now loose. (4.3) Remove tllTee assembled washer bolts attaching three loop clamps (4, fig 2-31. l ) for the smoke generating fuel tube to t11e left upper covers. (4.4) On Model AVDS-l 790-2DR remove ur nssembled washer bolts attaching four loop clamps for smoke generating fuel tube (fig. 2-32.1). (5) Remove cotter pin, slotted nut and flat washer (l, fig. 2-33). Discard colter pin. Remove front cooling fan and hub assembly (2) from vertical drive shaft. Remove rear cooling fan and hub assembly (3) in the same manner. (6) Remove 12 self-locking nuts and Oat washers (4) and two assembled washer bolts (right side only) attaching cooling fan slU'oud to top frame. Open gage rod tube cap (5) and remove oil gage indicator rod. Remove 12 remaining assem- bled washer bolts (6) and remove left rear upper cover (7) and left front upper cover (8) with oil level tube cap assembly attached. Remove and djsrd two preformed packings from the oil filler tube neck. Remove 12 remaining assembled washer bolls (9) and remove right rear upper cover (10) and right front upper cover ( 1 1 ). Change 3 2-45 I