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

Page 238 of 532

TM 9-2815-220-34 Figul: 36. Removi " or i11stalli11gji1el i11jcctio11 pump 111m111ti11g base. \  CC1El Pl:, \_, Figure37. Locatio11 ofprefom1ed pacA·i11g al uil tra11sfer/11be forfue/ i11jectio11p11111p11101111ti11g /Juse. and seal washer attaching accessory drive housing to rear fan and accessory drive housing mounting base. Remove five self-locking nuts and flat washers attaching rear fan drive housing to mounting base. b. Remove the remaining 11 self-locking nuts and flat washers (1, fig. 3-89) attaching rear fan and accessory drive housing assembly to mounting base. Remove one self-locking nut, flat washer, and seal washer (2) attaching accessory drive housing to rear fan and accessory drive housing mounting base. Remove top two self-locking nuts and flat washers (3), securing the accessory drive housing to the fan drive housing, to provide for the attach- ment of fan and advance unit housing lifting sling - Part No. 10882945. Note that self-locking nut was removed from stud (4) when fire extinguisher tube was removed. Remove one self-locking nut and flat washer (5) from each side of the housing mounting base flange. c. Position fan and advance unit housing lifting sling - Part No. 10882945 (fig. 3-90) on rear fan drive housing and clutch assembly and secure lift- ing sling to rear fan and accessory ddve housing with two self-locking nuts and flat washers (3, fig. 3-89). Secure lifting sling to fan vet·tical drive shaft with cooling fan attaching slotted nut. Adjust lift- 3·38 Change 3 SELF-LOCKING NUT � FLAT WASHER � SEAL WASHER W/ I REAR FAN AND \ � ACCESSORY DR I VE : I I :N HOUSING MOUNT ING � 1 BASE REAR FAN DRIVE HOUSING AND CLUTH ASSFMBLY 'TA265692I ig11re -�8. He11101•ing 01· inst11lli 11g all11chillg a•·tsJl" l"ear /cl aml <1ccsorv drive hu11si11g asscmblies - right sidl'. 1 Self-locking nut and flal washer 2 Self-locking nut, Oat washer ancl seal washer 3 ScJf.lking tn1t and flat washcl' 4 Stud 5 Self-locking nut and flat washer Figure ./9. Removing or installing attuching pmts for 1·eorfan wid accessory cb·ive lto11si11g usscmblles-lefl sie ing eye in slot to assure balanced position of the assembly and remove by lifting housing straight up until housing clears the long mounting studs (fig. 3-91). ) )