TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 245 of 532
Figure :J.J. Ri9ltt bank cyli11dcr+ i11 +e1tical pvsitio11jur re111011i11y or i11stalli11g cyli+1lersfro111 cra11kcase. the same time as cylinder No. lR, and can be removed in a similar manner without turning crankshaft. Turn crankshaft until piston in cylinder No. 2R is at top center and remove cylinder. The pistons in cylinder Nos. 2R and 5R will be at top center together, as will pistons for cylin- der Nos. 3R and 4R. Position pistons and remove right bank cylinders. h. The left bank pairs of pistons will be at top center together and be removed in a similar man- ner. Turn engine on stand to position left bank cylinders in a vertical position, and remove cylin- ders. NOTE Do not remove crankcase protectors Part No. 10882790 (fig. 3-106) until crankshaft and connecting rods have been removed. 3-29. Oil Pump a. Remove and discard leveling pump transfer tube seal (1, fig. 3-107). Remove two self-locking nuts and capscrews (2) attaching leveling oil pump transfer tube (3) to oil pan pressure compartment baffle (4). Disengage tube assembly from hole in pressure compal'tment baffle and from opening in oil pump and remove tube assembly from behind pressure compartment baffle. Remove and discard preformed packing from tube assembly. b. Cut locking wire and remove capscrew (1, fig. 3-108) attaching pressure compartment baffle bracket (2) to oil pump (3) and oil pump to crank- CRHKCASl ' PROTEClOR OO[ L Piii ' "" . TM 9-281220-34 '' Pig11rJ·104. llcnwvi119 c11li1tdrr No. JR. case assembly. Remove two self-locking nuts and machine bolts (4) and remove baffle bracket. Cut locking wire and remove four capscrews and flat washers (5) and loosen the remaining capscrew, located behind the oil pressure relief valve (6) as the oil pump is being removed and remove the oil Change 1 35