TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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NOTE. BEFORE REAMING, LUBRICATE THREADS ON CONNECTING ROD BOLTS AND NUTS WITH THREAD LUBRICANT, 9150-663-1770 OR 9150-527-1752, (OR EQUIVALENT) AND TIGHTEN NUTS TO A TORQUE OF 950 LB-INS. crankshaft. Right bank rods (marked R) are installed on the damper flange side of journal. Note. All location numbers must be visable from the oil pan side when crankshaft and rods are installed in the crankcase. (3) Position connecting rod cap, with bearing installed, on journal and mate it with the corresponding rod. Secure rod and cap to crankshaft with two slotted nuts. (4) Tighten nuts to 950 pound-inches torque, plus sufficient additional torque to aline slots in nuts with cotter pin holes in bolts. (5) Check the side clearance of each pair of connecting rods against limits specified in overhaul standards (table 6-9), using a feeler gage as shown in figure 6-37. Disassemble and replace connecting rods and bearings as necessary to obtain the proper clearance. (6) Secure slotted nuts to connecting rod bolts with cotter pins as shown in figure 6-30. Figure 6-36. Connecting rod bore center dimensions. 6-18. Assembly a. Crankshaft. Refer to figure 6-33. b. Crankshaft Oil Seal. Refer to figure 6-32. c. Connecting Rod Assemblies. Note. Total weight variation between in- dividual connecting rods on any one engine shall not exceed 0.5 ounce. (1) Position connecting rod bearing halves in their respective rods and caps (fig. 6-31). Install two connecting rod bolts in each con- necting rod making certain each bolt is properly seated in the recess provided. (2) Position rods on crankshaft in proper location according to their identifying number. Connecting rod Nos. 1R and 1L are assembled on the journal at the damper flange end of the Figure 6-37. Checking connecting rod side clearance. 6-41