UNDERCARRIAGE AR 1872015 - Caterpillar

TYPICAL ILLUSTRATIONDo not heat gear to more than 600°F (316°C) when installing on flywheel.(1) Maximum permissible "run out" (radial eccentricity) off center of bore (total indicator reading) ... .006 in.(0.152 mm)(2) Maximum permissible "run out" (axial eccentricity) of face (total indicator reading) ... .006 in.(0.152 mm)(3) Maximum permissible "run out" (radial eccentricity) off center of bore (total indicator reading) ... .005 in.(0.127 mm)(4) Torque for flywheel retaining bolts ... 640 80 lb.ft.(865 110 N m) When installing the 2N8470 Adapter, tighten these bolts so that the flat sides of the bolt heads are along the edge of the pilot hole.See FLYWHEEL HOUSING BORE.