TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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(4) Remove six colter pins (,, fig. 3-æ) and slot- ted nuts (-) attaching front bearing support (11), inter- mediate hub clamp (42) and rear hub clamp (46) to ac- csory drive housing (51). Remove support, hub clamps, and injection pump automatic advance assem- bly (43) from rear fan and accessory drive housing as an assembly. b. Clutch Couer, Bearing and Vertical Drive Shaft O Seal. parate clutch cover and bearing from clutch assembly and remove clutch uppel' ball bearing and vertical drive shaft oil seal, paragraph 3-91. c. Rear Fan and Accesso Drive Housing. (1) Remove six self-lking nuts ( fig. 3-71) and J I Jl 19 \ 40 ll )0 Jl TM 9-2815-220-34 flat washers ( attaching left and right camshaft drive inner supports (V) to accessory drive housing (39). parnte camshaft drive inner supports from accessory drive housing and remove right and left camshafL drive gearshaft assemblies (22). Remove and discard preformed packings (35) from inner supports. (2) Straighten tab on key washer (8) and remove threaded plug (7), key washer, and oil tl'ansfer plug (9) from camshaft drive gearshaft (2). (3) Remove fan driven bevel gearshaft (17, fig. 3-71) and assiated parts as outlined in paragraph 3-91. ' /r - �t � � II I ? q JI )S 16 A / /{; t � I I i 1 ,· mY 41 ; · ,�� p' k I h t \ 43 11 53 l� l& ' . , 7 Needle aring retaining ring l Rear fan drive cluh mbly 2 Pipe p lug 3 Fan ive housing ver stud 4 Rear fan drive housing 5 lntr·fan ive shaft ver ada p t er stud 8 lnjtion pump driven gealiaft oil seal 9 wel pin 6 I njlion pump driven geahdt needle aring Fire 331. Reor fa11 a+d acceory drive /101uins, acmblie• and aiated por - expled vi. 3-135