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

Page 292 of 532

TM 9-2815-220-34 MANDREL ASSEMBLY FOR BEARING REMOVAL � , BUSHING-TYPE BEARING (REF) FOR BEARING INSTALLATION GUIDE PLATE r TA055580 Figure 9-17.1. Removi11y or installing b11slti11g·type bea1·i11u using improvised tool. 3-58. Assembly a. Cninkslwft. Position twelve retaining plugs (fig. 3-172). one in each end of bore through the six crankshaft. connecting rod journals. Install six bolts and slotted nuts, securing plugs. Install six cotter pins securing slotted nuts. f> Crankshajl Oil Seal. Apply a light coating of automotive and artillery grease (GAA), Specifica- tion 11L-G-10924, to new crankshaft oil seal (fig. 171 ) . lnslall oH seal on crankshaft with closed, or flat. side toward flywheel flange. Position a new seal spring, around crankshaft as shown. Tu one end of spring one-half tu clockwise nd the other end one-half tu counterclockwise. lnsert male end into female end a nd release spring ends. Spring ends must be properly engaged. Insert the spring in the retaining groove in the oil seal. c. Connecting Rod Assemblies. (1) Position connecting rod bearing halves in 3·88 Change 2 their respective rod and caps (fig. 3-170). Install two connecting rod bolts in each connecting rod making certain each bolt is properly seated in the recess provided. Position rods on crankshaft in proper location according to their idcnti fying number. Connecting rod Nos. IR and lL are as- sembled on the joual at the damper nange end of the crankshaft. Right bank rods (marked H) are installed on the damper flange side of joual. NOTE All location numbers must be visible from the oil pan side when crankshaft and rods are installed in the crankcase. (2) Position connecting rod cap, with bearing installed, on journal and mate it with the cone- sponding rod. Secure rod and cap with two rod bolts and hexagon nuts. Lubricate the rod bolt threads and nut seat with a light coating of automotive and artillery grease (GAA), MIL-G�10924. Tighten both ) )