CRANKSHAFT - TM-5-3805-260-24

BEARINGS FOR CONNECTING RODS AND MAINS - TM-5-3805-260-24_33

TM-5-3805-260-24 Scraper Tractor: Elevating Self-Propelled 11 Cubic Yard Sectionalized and Nonsectionalized Manual
Page Navigation
20

TM 5-3805-260-24 CRANKSHAFT. Heat gear to Install Do not heat to a temperature of more than 500F (260C) (1) End play for the crankshaft. .003 to .010 in. (0.08 to 0.25 mm) Maximum permissible end play for the crankshaft. (worn).......... .014 in. 10.36 mm) (2) Diameter of bearing surface (journals) for the connecting rods standard, original size] ..... 2.7496 ± .0006 in. (69.840 ± 0.015 mm) Minimum permissible diameter (worn) ............................. 2.7486 in. (69.814 mm) Diameter of bearing surfaces (journals) for the connecting rods .010 in. 0.25 mm) smaller than the original size]........2.7396 ± 0006 in. (69.586 ± 0015 mm) Minimum permissible diameter (worn) ............................. 2.7386 in. (69.560 mm) Diameter of bearing surfaces (journals) for the connecting rods [.020 in. (0.51 mm) smaller than the original size].......2.7296 ± .0006 in. (69.332 ± .0015 mm) Minimum permissible diameter (worn) ............................. 2.7286 in. (69.306 mm) Diameter of bearing surfaces (journals) for the connecting rods [.050 in (1.27 mm) smaller than the original size]........2.6996 ± 0006 in. (68.570 ± 0.015 mm) Minimum permissible diameter (worn) ............................. 2.6986 in. (68.544 mm) (3) Diameter of bearing surfaces (journals) for the main bearings [standard, original size]........3.4995 ± .0006 in (88.887 ± 0.015 mm) Minimum permissible diameter (worn)...............................3.4980 in (88.749 mm) Diameter of bearing surfaces (journals) for the main bearings .010 in (0.25 mm) smaller than the original size] .. 3.4895 ± .0006 in. (88.633 ± 0.015 mm) Minimum permissible diameter (worn)..............................3.4880 in. (88.595 mm) Diameter of bearing surfaces (journals) for the main bearings [.020 in (0.51 mm) smaller than the original size] ...... 3.4795 ± .0006 in. (88.379 ± 0.015 mm) Minimum permissible diameter (worn)..............................3.4780 in. (88.341 mm) Diameter of bearing surfaces (journals) for the main bearings [.050 in. (1.27 mm) smaller than the original size] .......3.4495 ± .0006 In (87.617 ± 0.015 mm) Minimum permissible diameter (worn)..............................3.4480 in. (87.579 mm) Maximum permissible run out (axial eccentricity) of the crankshaft., measured at the center main bearing surface (journal) ...... .008 in. (0.20 mm) Maximum permissible run out (axial eccentricity) of the crankshaft., measured at No 2 and No 4 main bearing surfaces (journal) .... .004 in. (0.10 mm) 1-25

Privacy Statement
Press Release
Contact