EDGE-CUTTING 4750936 - Caterpillar

(1) Maximum length of alignment dowel out of crankshaft face (rear dowel) ... 8.4 mm (.33 in)(2) Thickness of thrust plates, at center main bearing ... 5.74 0.04 mm (.226 .002 in)(3) Endplay for the crankshaft (new) ... 0.13 to 0.50 mm (.005 to .020 in)(4) Minimum torque for five plugs ... 23 N m (17 lb ft)"Stake" (make a mark with a punch) the crankshaft to hold the plug tight.(5) Length of dowel out of the crankshaft (front dowel) ... 4.1 0.5 mm (.16 .02 in)(6) Rear seal group. Not to be used if seal and sleeve are separated. Install the seal group in the flywheel housing with the seal positioned as shown. See Special Instruction SMHS8008. Check installations as follows: Arrow on seal ... counterclockwiseDistance from rear face of crankshaft to sleeve - Dimension A ... 1.5 0.5 mm (.06 .02 in)Distance from edge of sleeve to seal - Dimension B ... 6.1 0.6 mm (.24 .02 in) Same procedure and dimensions apply to a crankshaft with a rear gear group.(7) Maximum permissible temperature of the gear for installation on the crankshaft ... 205 °C (401 °F) Install gear with "V" mark to the outside.(8) Make reference to Connecting Rod Bearings.(9) Make reference to Main Bearings.(10) Front seal group. Not to be used if seal and sleeve are separated. Install the seal group in the front accessory drive housing with the seal positioned as shown. See Special Instruction SMHS8008. Check installation as follows: Arrow on seal ... clockwiseSleeve to be flush with front face of crankshaft within ... 0.13 mm (.005 in)Distance from edge of sleeve to seal - Dimension C ... 4.9 0.6 mm (.19 .02 in)