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 c. Inspection of Main Sleeve Bea1·ings. (1) Inspection of main sleeve bearing surfaces is largely a matter of judgment and experience. The following instructions will assist in determin- ing whether a bearing is serviceable or whether it should be replaced. Replace any questionable bear- 25 1 Bolt 2 Oil seal retainer 3 Inse1·t 4 Crankshaft oil seal housing cap in gs. Separation bearing metal, or signs of possible separation, requires that the bearing be replaced. (2) Fine scratches on sleeve bea1·ing are not cause for rejection. Pitting or any other rm of destruction to the bearing surface is cause for re- jection. Replace bearings showing raised metal at 20 Self-lking nut 21 Fial washer 22 Pipe plug 23 Pipe pl u g 14 11 TA021742 5 Crankshaft oil seal housing gasket 24 Fial washer 25 Slotted nut 3·68 Change 1 G Expansion plug Pi פplug 8 Expansion plug 9 Pi פplug 10 Cotter pin 11 Slotted nut 12 Plate washer 13 Engine crankcase rod 14 Angle bracket 15 Machine bolt 16 Lockwasher 1' 1 Flat washer 18 Slotted nut 19 Bearing cap 26 Bearing cap 27 Packing < Support 29 Flat washer 30 Capscrew 31 lnsert 32 Insert 33 Slotted nut 34 Flat washer 35 Oil seal housing 36 Flat washer 37 Bolt Fi 3-149. Crankca+e and associated pas - 7pl view. ) ) ) )