BASE GP-GENERATOR 4751440 - Caterpillar

Illustration 1 g00904902
Typical example
(1) Tighten the bolts of the holder for the main bearing to the following torque. ... 52 N m (38 lb ft) (2) Thrust washers Standard thickness ... 2.95 to 3.00 mm (0.1161 to 0.1181 inch)Service limit ... 2.80 mm (0.1102 inch) (3) Top thrust washer Ensure that the oil grooves of all of the thrust washers are toward the crankshaft.
Illustration 2 g00904925
Typical example
(4) Tighten the retaining bolts for the crankshaft to the following torque. ... 52 N m (38 lb ft) (5) Tighten the allen head screws to the following torque. ... 27 N m (20 lb ft)Crankshaft end play ... 0.10 to 0.30 mm (0.0040 to 0.0118 inch)Service limit ... 0.50 mm (0.0197 inch)Note: If the crankshaft end play exceeds the service limit, check the thrust washers for wear.Maximum crankshaft run out ... 0.03 mm (0.00118 inch)Service limit ... 0.06 mm (0.00236 inch)Refer to Specifications, "Connecting Rod Bearing Journal" for information on the connecting rod bearing journals of the crankshaft.Refer to Specifications, "Main Bearing Journal" for information on the main bearing journals of the crankshaft.