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 Section XV. REPAIR OF CAMSHAFT AND ASSOCIATED PARTS 1. General a. This section covers the repair of the camshafts and assiated parts. Specific instructions on disassembly, cleaning, insפction, and assembly accompany the repair operations. Repair stand- ards of individual components follow the inspec- tion predure. Stud identification information is included in the repair predures. b. Repair of right and left camshafts is similar. For instructional purposes repair procedures r INT CR.CYLINDER SL(EVE FLAG£ LIFTll(C EYE RIGHT CAMSHAfT the right camshaft will be given with references to the left camshaft only where repair procedures vary. 3·101. Disassembly a. Remove lifting eye (fig. 3-256), preformed hose and intercylinder hose flange, and separate the lifting eye and flange from hose. 11ER.CYLINOER SLEEVE PREFORMED HOSE PPEfOR�EO ACIWfG f A0�0 Fi,J.fSI. Rrmoviܝorin1Uing lifting eve, interllindereejlongu,ond ho1t1, m AVDS·l790·$C0+dAVDS·l790·1D enqint. NOTE Model A VDS-17Z-2DR engines are not equipped with lifting eyes at cylinder Nos. lR and lL. Intercylinder hose flanges are used at these locations. b. Remove four groups of intercylinder hose flanges and preformed hoses and separate the flans from the hoses. I c. Remove two hose clamps (34, fig. 3-258) and the rubber hose (33) from camshaft drive shaft flange (32). d. Remove four self-lking nuts (30, fig. �268) and fiat washers (29) and remove camshaft drive bevel gearshaft adapter (39) and assiated parts as an assembly from camshaſt gear housing (42). e. Remove and discard preformed packing (41) from bevel gearshaft adapter (39) and remove and discard preformed packing (<) om oil transfer tube in bevel gearshaſt adapter. Remove two bolts (86), lockwaahers ($), and flat whers (37) and remove camshaſt driveshaft adapter (32) from bevel gearshaſt adapter (39). Remove and discard sket (X). NOTE It will be necessary to move the camshaft drive gear away from the camshaſt driven gear to gain clearance for removal of cam- shaft assembly. f Remove camshaft (, bevel gear (6), and gear cover (6) as an assembly from gear housing (42). Remove camshaft drive bevel gearshaſt (1) from gear housing. g. Place assembled camshaft in a soft-jawed vise and cut Jocking wire and remove eight machine bolts (4) and camshaft cover (5), and bevel gear (6). h. Place assembled throttle control cross shaft (26, fig. 3-259) in a soft-jawed vise and remove cam- shaft end cover plate (22) from bnll bearing (7) by carefully tapping on end of plate with a soft ham- mer. NOTE The left camshaft does not have a cover plate assembly. i. Cut locking wire and remove ur capscrews (16, fig.3-258) and flat washers (17). Remove tachometer dve adapter (18) from end plate (20) and remove and discard preformed packing (16). Remove oil seal (19). i.1. Cut lking wire and remove four capacrewo Chango 2 3·155