TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 274 of 532
I TM 9·2815·220·34 Figure 3·154. Cltecki11g i11aide diameter of moin beori11g1.• Table 3-1. Crankco* Ambly Repair Standard fir. Rd. S and nu Wtar No letter Point of uunt n•• llml 8-19 a Inside diameter of bearing re in crankce 4.7533 4.1538 • 8-149 b t+ide width of main thrust aring cap and thst aring surface in crankcue 2.0240 2 . 0260 . 3-149 c Inside diameter of starter idler gear and geoerator idler gor shaft res in crank· 1.1808 1. 1818 l.1R4 c 8-167 a and q Outside pilot diameter of starter idler gear shaft and generator idler gear shaft 1.1 1. 1 1. 1P0 8-167 a and q< Fit of starter idler gear shaft and generator idler gear shaft pilots in crankca res 0. .14L ."2L 3·174 e Thickne of main bearing half at center (refer to 3-174, d, below) 0.2492 0.24c 3·174 x Thickne of main bearing half 1/2 inch from ends (to be 0% to 0.10 le than at center "e") 3- 174' d Inside diameter cf main bearing at proper torque tightness (Z degrees to split line) 4.265 4.2575 4.2ɉ (STD) 0.# undei 4.915 4.2545 4.97 0.010 U ndeize 4. 4.2476 4 3·174 f Inside width of main thrust bearing face 2.P0 2.#4 . 3-149 f·b Fit of main thrust bearing over aring cap and thst bearing surface in crankce 0.$0L O.L • 3-174 c-d Fit (oil clearance) of arings on journals (refer to table 3·8) 0.$0L O.L O.OlꝃL 3-174 y Outside width of main thrust bearing 2.ዼ 2P 2 3-174 w Thickness of main thrust bearing flange (refer to 3-174, d·c, above) 0.770 0. 3-167 j Inside diameter of aring re in crankc liner (starter) 2.ₚ 2.⊚ 2.₤ 3-167 p Inside of diameter of bearing re in crankca liner (generator) 2.ₚ. 2.⊚ 2.₤ 3-174 v-g Fit (crankshafl end play) of thst bearing in journal (refer lo table 3·8) O. OllOL O.OlL 0.01ZL tor puqnph < f upl1n1tlon of 1y• 3·46. Repair Repair or replace damaged parts. Refer to paragraph 3·38d. table 3·2, and figures 3-155 1 through 3· 157 when replacing crankcase studs. 3.72 Change 2 ) )