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 Table 3·13. Cy/i11der Asmblv Repair Sta11Clcirds Fig. Ref. Point of Sizes and fits of Wear Component No. letter measuremen t new parts Ii mils Cylinder 3-193 Bore diameter A thru E 5.7510 5.7530 S.7580 Cylinder 3-193 0.0100 Oversize Bore 5.7610 5.7630 5.7680 diameter A thru E Cylinder 3-193 0.0200 Oversize Bore 5.7710 S.7730 S.7780 drnmeter A thru E Cylinder 3-193 0.0300 Oversize Bore S.7810 S.7830 S.7880 diameter A thru E Cylinder 3-193 0.0400 Oversize Dore S.7910 S.7930 5.7990 diameter A thru E 3-183 Maximum outf·round 0.0020 0.0040 of cylinder bore 3-183 v Piston di ame t er al bottom of skirt, 90 degrees to piston pin Standard S.7410 5.7420 S.7380 0.0 I 00 oversize 5.7510 5.7520 5.7480 0.0200 o,·erslze 5.7610 5.7620 5.1580 0.0300 O''ersize S.7710 5.7720 5.7680 0.0400 oversize 5.7810 5.7820 5.7780 3-183 Fit of piston in cylinder 0.00751. 0.01151. 0.02151. I 3-190 c bore measured up 2.250 Inches om bottom of cylinder skirt, 90 degrees 10 piston pin 3-190 p Inside diameter of 0.7495 0.1505 • exhaust valve guide bore in cylinder head 3-190 n Outside diameter of exhaust valve guide Standard 0.7525 0.7530 • 0.0100 oversize 0.7625 0.7630 • 0.0200 OCrSitc 0.7725 0.7730 • 3·190 n-p Fit of ex11aust valve 0.0020T 0.003ST • guide in cyUnder head bore 3·190 q Inside diameter of cam- 1.3115 1.3135 1.3140 shaft bearing In cylinder at proper torque tight· ness 3-257 g Outside diameter of 1.3090 1.3100 I.JOSS 3-258 jouals on camshafts 3-190 q-g Fit of journal in 0.00151. 0.0045L O.OOSSL 3-257 aring 3-258 Valve Guides and 3-190 e Outside diameter of in· Valves take valve guide S1ndard 0.6890 0.6895 • 0.0100 oversize 0.6990 0.6995 • 0.0200 oversize 0.7090 0.7095 • 3-190 d Inside diameter or in· 0.6870 0.6880 • take valve guide bore In cyUnder head 3-190 e-d Pit of intake valve O.OOlOT 0.0025T • guide in bore See foot note at end of table ) . 3·102 Change 2 )