TM 5-3805-260-24CYLINDER BLOCKMeasure wear of the cylinder bore at the top and bottom of pistonring travel(1)Cylinder bore [standard, originalsize] ...................... ............4.5000 to 4.5015 in (114.300 to 114.338 mm)The recommendation is made to makethe cylinder bore the next size largerwhen the size of the bore is ............ ............4.5060 in (114.452 mm)Cylinder bore must be made the nextsize larger when the size of thebore is ................... ............ ............ ............4.5090 in (114 529 mm)Cylinder bore [ 020 in (0 51 mm) larger than theoriginal size] .......... ............4.5205 0005 in (114 821 0.013 mm)The recommendation is made to make thecylinder bore the next size largerwhen the size of the bore is ............ ............4 5260 in (114 960 mm)Cylinder bore must be made thenext size larger when the size ofthe bore is.............. ............ ............ ............4 5290 in (115 037 mm)Cylinder bore [ 040 in (1 02 mm) larger than theoriginal size]........... ............4 5405 + 0005 in (115.329 0 013 mm)Maximum permissible wear of cylinder bores(replacement of the cylinder blockis necessary) ......... ............ ............ ............4 5490 in (115 545 mm)(2)Bore in block for camshaftbearing .................. ............ ............2 6525 0005 in (67 374 0.013 mm)(3)Width of main bearingcap ........................ ............ ............6 5600 0007 in (166 624 0 018 mm)Minimum permissible width ofmain bearing cap ... ............ ............ ............6.5580 in. (166.573 mm)Width of main bearing cap guide(in cylinder block)... ............6 5590 0005 in (166 599 0013 mm)(4)Bore in block for mainbearing................... ............ ............3 7075 0005 in (94.171 0.013 mm)Permissible amount of distortionin bore ................... ............ ............3.706 to 3.709 in (94 13 to 94.21 mm)(5)Torque for bolts holding caps for main bearings1. Put crankcase oil on bolt threads and washer face2. Tighten all bolts in number sequence...............................to ........ ............ ............30 3 lb ft. (40 4 N-m)3. Put a mark on each bolt and cap4. Tighten all bolts in number sequence...............................from mark ........ ............ ............120 5(6)Dimension (new) from centerline of crankshaft bearingbore to bottom of block(pan rails)............... ............ ............3.7500 0015 in (95 250 0 038 mm)(7)Dimension (new) from centerline of crankshaftbearing bore to the top of block (topdeck) ...................... ............ ............ ............12 703 005 in (322 66 0 13 mm)1-22
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